United States - English - NLM (National Library of Medicine)

bryant ranch prepack - clopidogrel bisulfate (unii: 08i79htp27) (clopidogrel - unii:a74586sno7) - • clopidogrel is indicated to reduce the rate of myocardial infarction (mi) and stroke in patients with non–st-segment elevation acs (unstable angina [ua]/ non–st -elevation myocardial infarction [nstemi]), including patients who are to be managed medically and those who are to be managed with coronary revascularization. clopidogrel should be administered in conjunction with aspirin. • clopidogrel is indicated to reduce the rate of myocardial infarction and stroke in patients with acute st-elevation myocardial infarction (stemi) who are to be managed medically. clopidogrel should be administered in conjunction with aspirin. in patients with established peripheral arterial disease or with a history of recent myocardial infarction (mi) or recent stroke clopidogrel is indicated to reduce the rate of mi and stroke. clopidogrel is contraindicated in patients with active pathological bleeding such as peptic ulcer or intracranial hemorrhage. clopidogrel is contraindicated in patients with hy

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - hydromorphone hydrochloride (unii: l960up2krw) (hydromorphone - unii:q812464r06) - hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets are indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. limitations of use because of the risks of addiction, abuse, and misuse with opioids, even at recommended doses [see warnings and precautions (5.2)] , reserve hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets for use in patients for whom alternative treatment options [e.g., non-opioid analgesics or opioid combination products]: - have not been tolerated, or are not expected to be tolerated, - have not provided adequate analgesia, or are not expected to provide adequate analgesia hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets are contraindicated in patients with: - significant respiratory depression [see warnings and precautions (5.7)] - acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitati

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - hydromorphone hydrochloride (unii: l960up2krw) (hydromorphone - unii:q812464r06) - hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets are indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. limitations of use because of the risks of addiction, abuse, and misuse with opioids, even at recommended doses [see warnings and precautions (5.2)] , reserve hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets for use in patients for whom alternative treatment options [e.g., non-opioid analgesics or opioid combination products]: - have not been tolerated, or are not expected to be tolerated, - have not provided adequate analgesia, or are not expected to provide adequate analgesia hydromorphone hydrochloride oral solution and hydromorphone hydrochloride tablets are contraindicated in patients with: - significant respiratory depression [see warnings and precautions (5.7)] - acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitati

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - methylphenidate hydrochloride (unii: 4b3sc438hi) (methylphenidate - unii:207zz9qz49) - methylphenidate hydrochloride tablets are indicated for the treatment of: pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to adhd medications, including methylphenidate hydrochloride tablets, during pregnancy. healthcare providers are encouraged to register patients by calling the national pregnancy registry for adhd medications at 1-866-961-2388 or visit https://womensmentalhealth.org/adhd-medications/. risk summary published studies and postmarketing reports on methylphenidate use during pregnancy have not identified a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. there may be risks to the fetus associated with the use of cns stimulants use during pregnancy (see clinical considerations). no effects on morphological development were observed in embryo-fetal development studies with oral administration of methylphenidate to pregnant rats and rabbits during organogenesis at doses up to 10 and 15 times, respectively, the maximum recommended human dose (mrhd) of 60 mg/day given to adolescents on a mg/m2 basis. however, spina bifida was observed in rabbits at a dose 52 times the mrhd given to adolescents. a decrease in pup body weight was observed in a pre- and post-natal development study with oral administration of methylphenidate to rats throughout pregnancy and lactation at doses 6 times the mrhd given to adolescents (see data). the estimated background risk of major birth defects and miscarriage for the indicated population is unknown. all pregnancies have a background risk of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations fetal/neonatal adverse reactions cns stimulants, such as methylphenidate hydrochloride tablets, can cause vasoconstriction and thereby decrease placental perfusion. no fetal and/or neonatal adverse reactions have been reported with the use of therapeutic doses of methylphenidate during pregnancy; however, premature delivery and low birth weight infants have been reported in amphetamine-dependent mothers. data animal data in embryo-fetal development studies conducted in rats and rabbits, methylphenidate was administered orally at doses of up to 75 and 200 mg/kg/day, respectively, during the period of organogenesis. malformations (increased incidence of fetal spina bifida) were observed in rabbits at the highest dose, which is approximately 52 times the mrhd of 60 mg/day given to adolescents on a mg/m2 basis. the no effect level for embryo-fetal development in rabbits was 60 mg/kg/day (15times the mrhd given to adolescents on a mg/m2 basis). there was no evidence of morphological development effects in rats, although increased incidences of fetal skeletal variations were seen at the highest dose level (10 times the mrhd of 60 mg/day given to adolescents on a mg/m2 basis), which was also maternally toxic. the no effect level for embryo-fetal development in rats was 25 mg/kg/day (3 times the mrhd on a mg/m2 basis). when methylphenidate was administered to rats throughout pregnancy and lactation at doses of up to 45 mg/kg/day, offspring body weight gain was decreased at the highest dose (6 times the mrhd of 60 mg/day given to adolescents on a mg/m2 basis), but no other effects on postnatal development were observed. the no effect level for pre- and postnatal development in rats was 15 mg/kg/day (~2 times the mrhd given to adolescents on a mg/m2 basis). risk summary limited published literature, based on milk sampling from seven mothers reports that methylphenidate is present in human milk, which resulted in infant doses of 0.16% to 0.7% of the maternal weight-adjusted dosage and a milk/plasma ratio ranging between 1.1 and 2.7. there are no reports of adverse effects on the breastfed infant and no effects on milk production. long-term neurodevelopmental effects on infants from stimulant exposure are unknown. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for methylphenidate hydrochloride tablets and any potential adverse effects on the breastfed infant from methylphenidate hydrochloride tablets or from the underlying maternal condition. clinical considerations monitor breastfeeding infants for adverse reactions, such as agitation, insomnia, anorexia, and reduced weight gain. the safety and effectiveness of methylphenidate hydrochloride tablets for the treatment of adhd have been established in pediatric patients 6 to 17 years. the safety and effectiveness of methylphenidate hydrochloride tablets in pediatric patients less than 6 years have not been established. the long-term efficacy of methylphenidate hydrochloride tablets in pediatric patients has not been established. long-term suppression of growth growth should be monitored during treatment with stimulants, including methylphenidate hydrochloride tablets. pediatric patients who are not growing or gaining weight as expected may need to have their treatment interrupted [see warnings and precautions (5.7)] . juvenile animal toxicity data rats treated with methylphenidate early in the postnatal period through sexual maturation demonstrated a decrease in spontaneous locomotor activity in adulthood. a deficit in acquisition of a specific learning task was observed in females only. the doses at which these findings were observed are at least 4 times the mrhd of 60 mg/day given to children on a mg/m2 basis. in a study conducted in young rats, methylphenidate was administered orally at doses of up to 100 mg/kg/day for 9 weeks, starting early in the postnatal period (postnatal day 7) and continuing through sexual maturity (postnatal week 10). when these animals were tested as adults (postnatal weeks 13 to 14), decreased spontaneous locomotor activity was observed in males and females previously treated with 50 mg/kg/day (approximately 4 times the mrhd of 60 mg/day given to children on a mg/m2 basis) or greater, and a deficit in the acquisition of a specific learning task was seen in females exposed to the highest dose (8 times the mrhd given to children on a mg/m2 basis). the no effect level for juvenile neurobehavioral development in rats was 5 mg/kg/day (approximately 0.5 timesthe mrhd given to children on a mg/m2 basis). the clinical significance of the long-term behavioral effects observed in rats is unknown. methylphenidate hydrochloride tablets have not been studied in the geriatric population. methylphenidate hydrochloride tablets contain methylphenidate hydrochloride, a schedule ii controlled substance. cns stimulants, including methylphenidate hydrochloride tablets, have a high potential for abuse. abuse is characterized by impaired control over drug use despite harm, and craving. signs and symptoms of cns stimulant abuse include increased heart rate, respiratory rate, blood pressure, and/or sweating, dilated pupils, hyperactivity, restlessness, insomnia, decreased appetite, loss of coordination, tremors, flushed skin, vomiting, and/or abdominal pain. anxiety, psychosis, hostility, aggression, and suicidal or homicidal ideation have also been observed. abusers of cns stimulants may chew, snort, inject, or use other unapproved routes of administration which may result in overdose and death [see overdosage (10)] . to reduce the abuse of cns stimulants, including methylphenidate hydrochloride tablets, assess the risk of abuse prior to prescribing. after prescribing, keep careful prescription records, educate patients and their families about abuse and on proper storage and disposal of cns stimulants [see how supplied/storage and handling (16)] , monitor for signs of abuse while on therapy, and reevaluate the need for methylphenidate hydrochloride tablets use. tolerance tolerance (a state of adaptation in which exposure to a drug results in a reduction of the drug’s desired and/or undesired effects over time) can occur during chronic therapy with cns stimulants, including methylphenidate hydrochloride tablets. dependence physical dependence (which is manifested by a withdrawal syndrome produced by abrupt cessation, rapid dose reduction, or administration of an antagonist) may occur in patients treated with cns stimulants, including methylphenidate hydrochloride tablets. withdrawal symptoms after abrupt cessation following prolonged high-dosage administration of cns stimulants include dysphoric mood; fatigue; vivid, unpleasant dreams; insomnia or hypersomnia; increased appetite; and psychomotor retardation or agitation.

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - flurbiprofen (unii: 5gro578klp) (flurbiprofen - unii:5gro578klp) - flurbiprofen tablets are indicated: - for relief of the signs and symptoms of rheumatoid arthritis. - for relief of the signs and symptoms of osteoarthritis. flurbiprofen tablets are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to flurbiprofen or any components of the drug product [see warnings and precautions (5.7, 5.9) ] - history of asthma, urticaria, or other allergic-type reactions after taking aspirin or other nsaids. severe, sometimes fatal, anaphylactic reactions to nonsteroidal anti-inflammatory drugs have been reported in such patients [see warnings and precautions (5.7, 5.8) ]. - in the setting of coronary artery bypass graft (cabg) surgery [see warnings and precautions (5.1) ]. risk summary use of nsaids, including flurbiprofen, during the third trimester of pregnancy increases the risk of premature closure of the fetal ductus arteriosus. avoid use of nsaids, including flurbiprofen, in pregnant women starting at 30

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - alprazolam (unii: yu55mq3izy) (alprazolam - unii:yu55mq3izy) - alprazolam extended-release tablets are indicated for the treatment of panic disorder with or without agoraphobia, in adults. alprazolam extended-release tablets are contraindicated in patients: - with known hypersensitivity to alprazolam or other benzodiazepines. angioedema has been reported [see adverse reactions (6.2)] . - taking strong cytochrome p450 3a (cyp3a) inhibitors (e.g., ketoconazole, itraconazole), except ritonavir [see dosage and administration (2.5), warnings and precautions (5.5), drug interactions (7.1)] . pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to alprazolam extended-release tablets during pregnancy. healthcare providers are encouraged to register patients by calling the national pregnancy registry for other psychiatric medications at 1-866-961-2388 or visiting online at https://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/othermedications/. risk summary neonates born to mothers using ben

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - desvenlafaxine succinate (unii: zb22enf0xr) (desvenlafaxine - unii:ng99554anw) - desvenlafaxine is indicated for the treatment of adults with major depressive disorder (mdd) [see clinical studies (14)]. pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to antidepressants during pregnancy. healthcare providers are encouraged to register patients by calling the national pregnancy registry for antidepressants at 1-844-405-6185. risk summary there are no published studies on desvenlafaxine in pregnant women; however published epidemiologic studies of pregnant women exposed to venlafaxine, the parent compound, have not reported a clear association with adverse developmental outcomes (see data ). there are risks associated with untreated depression in pregnancy and with exposure to snris and ssris, including desvenlafaxine, during pregnancy (see clinical considerations ). in reproductive developmental studies in rats and rabbits treated with desvenlafaxine succinate, there was no evidence of teratogenicity at a plasma exposure

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - terbinafine hydrochloride (unii: 012c11zu6g) (terbinafine - unii:g7riw8s0xp) - terbinafine tablets, usp are indicated for the treatment of onychomycosis of the toenail or fingernail due to dermatophytes (tinea unguium). prior to initiating treatment, appropriate nail specimens for laboratory testing [potassium hydroxide (koh) preparation, fungal culture, or nail biopsy] should be obtained to confirm the diagnosis of onychomycosis. terbinafine tablets are contraindicated in patients with: •  history of allergic reaction to oral terbinafine because of the risk of anaphylaxis [see adverse reactions (6.2)] •  chronic or active liver disease [see warnings and precautions (5.1)] risk summary available data from postmarketing cases on the use of terbinafine tablets in pregnant women are insufficient to evaluate a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. in animal reproduction studies, terbinafine did not cause malformations or any harm to the fetus when administered to pregnant rabbits and rats during the period of organogenesis at oral d

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - oxycodone hydrochloride (unii: c1enj2te6c) (oxycodone - unii:cd35pmg570), acetaminophen (unii: 362o9itl9d) (acetaminophen - unii:362o9itl9d) - oxycodone and acetaminophen tablets, usp are indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. because of the risks of addiction, abuse, and misuse, with opioids, which can occur at any dosage or duration [see warnings ], reserve oxycodone and acetaminophen tablets for use in patients for whom alternative treatment options [e.g., non-opioid analgesics] - have not been tolerated, or are not expected to be tolerated - have not provided adequate analgesia, or are not expected to provide adequate analgesia oxycodone and acetaminophen tablets should not be used for an extended period of time unless the pain remains severe enough to require an opioid analgesic and for which alternative treatment options continue to be inadequate. oxycodone and acetaminophen tablets are contraindicated in patients with: - significant respiratory depression [see warnings ] - acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment [see warnings ] - known or suspected gastrointestinal obstruction, including paralytic ileus [see warnings ] - hypersensitivity to oxycodone, acetaminophen, or any other component of the product (e.g., anaphylaxis) [see warnings; adverse reactions ] oxycodone and acetaminophen tablets contain oxycodone, a schedule ii controlled substance. oxycodone and acetaminophen tablets contain oxycodone, a substance with high potential for misuse and abuse, which can lead to the development of substance use disorder, including addiction [see warnings ]. misuse is the intentional use, for therapeutic purposes, of a drug by an individual in a way other than prescribed by a healthcare provider or for whom it was not prescribed. abuse is the intentional, non-therapeutic use of a drug, even once, for its desirable psychological or physiological effects. drug addiction is a cluster of behavioral, cognitive, and physiological phenomena that may include a strong desire to take the drug, difficulties in controlling drug use (e.g., continuing drug use despite harmful consequences, giving a higher priority to drug use than other activities and obligations), and possible tolerance or physical dependence. misuse and abuse of oxycodone and acetaminophen tablets increases risk of overdose, which may lead to central nervous system and respiratory depression, hypotension, seizures, and death. the risk is increased with concurrent abuse of oxycodone and acetaminophen tablets with alcohol and other cns depressants. abuse of and addiction to opioids in some individuals may not be accompanied by concurrent tolerance and symptoms of physical dependence. in addition, abuse of opioids can occur in the absence of addiction. all patients treated with opioids require careful and frequent reevaluation for signs of misuse, abuse, and addiction, because use of opioid analgesic products carries the risk of addiction even under appropriate medical use. patients at high risk of oxycodone and acetaminophen tablets abuse include those with a history of prolonged use of any opioid, including products containing oxycodone, those with a history of drug or alcohol abuse, or those who use oxycodone and acetaminophen tablets in combination with other abused drugs. "drug-seeking" behavior is very common in persons with substance use disorders. drug-seeking tactics include emergency calls or visits near the end of office hours, refusal to undergo appropriate examination, testing, or referral, repeated "loss" of prescriptions, tampering with prescriptions, and reluctance to provide prior medical records or contact information for other treating healthcare provider(s). "doctor shopping" (visiting multiple prescribers to obtain additional prescriptions) is common among people who abuse drugs and people with substance use disorder. preoccupation with achieving adequate pain relief can be appropriate behavior in a patient with inadequate pain control. oxycodone and acetaminophen tablets, like other opioids, can be diverted for nonmedical use into illicit channels of distribution. careful record-keeping of prescribing information, including quantity, frequency, and renewal requests, as required by state and federal law, is strongly advised. proper assessment of the patient, proper prescribing practices, periodic reevaluation of therapy, and proper dispensing and storage are appropriate measures that help to limit abuse of opioid drugs. abuse of oxycodone and acetaminophen tablets poses a risk of overdose and death. the risk is increased with concurrent use of oxycodone and acetaminophen tablets with alcohol and/or other cns depressants. acetaminophen has been associated with cases of acute liver failure, at times resulting in liver transplant and death. parenteral drug abuse is commonly associated with transmission of infectious diseases such as hepatitis and hiv. both tolerance and physical dependence can develop during use of opioid therapy. tolerance is a physiological state characterized by a reduced response to a drug after repeated administration (i.e., a higher dose of a drug is required to produce the same effect that was once obtained at a lower dose). physical dependence is a state that develops as a result of a physiological adaptation in response to repeated drug use, manifested by withdrawal signs and symptoms after abrupt discontinuation or a significant dose reduction of a drug. withdrawal may be precipitated through the administration of drugs with opioid antagonist activity (e.g., naloxone), mixed agonist/antagonist analgesics (e.g., pentazocine, butorphanol, nalbuphine), or partial agonists (e.g., buprenorphine). physical dependence may not occur to a clinically significant degree until after several days to weeks of continued use. do not abruptly discontinue oxycodone and acetaminophen tablets in a patient physically dependent on opioids. rapid tapering of oxycodone and acetaminophen tablets in a patient physically dependent on opioids may lead to serious withdrawal symptoms, uncontrolled pain, and suicide. rapid discontinuation has also been associated with attempts to find other sources of opioid analgesics, which may be confused with drug-seeking for abuse. when discontinuing oxycodone and acetaminophen tablets, gradually taper the dosage using a patient-specific plan that considers the following: the dose of oxycodone and acetaminophen tablets the patient has been taking, the duration of treatment, and the physical and psychological attributes of the patient. to improve the likelihood of a successful taper and minimize withdrawal symptoms, it is important that the opioid tapering schedule is agreed upon by the patient. in patients taking opioids for an extended period of time at high doses, ensure that a multimodal approach to pain management, including mental health support (if needed), is in place prior to initiating an opioid analgesic taper [see dosage and administration ; warnings ]. infants born to mothers physically dependent on opioids will also be physically dependent and may exhibit respiratory difficulties and withdrawal signs [see precautions, pregnancy ].

United States - English - NLM (National Library of Medicine)

bryant ranch prepack - acetaminophen (unii: 362o9itl9d) (acetaminophen - unii:362o9itl9d), codeine phosphate (unii: gsl05y1mn6) (codeine anhydrous - unii:ux6owy2v7j) - acetaminophen and codeine phosphate tablets are indicated for the management of mild to moderate pain, where treatment with an opioid is appropriate and for which alternative treatments are inadequate. limitations of use because of the risks of addiction, abuse, and misuse, with opioids, even at recommended doses (see warnings ), reserve acetaminophen and codeine phosphate tablets for use in patients for whom alternative treatment options (e.g., non-opioid analgesics) · have not provided adequate analgesia, or are not expected to provide adequate analgesia, · have not been tolerated, or are not expected to be tolerated. acetaminophen and codeine phosphate tablets are contraindicated for: · all children younger than 12 years of age (see warnings ) · post-operative management in children younger than 18 years of age following tonsillectomy and/or adenoidectomy (see warnings ). acetaminophen and codeine phosphate tablets are contraindicated in patients with: · significant respiratory depression (see warnings ). · acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment (see warnings ). · concurrent use of monoamine oxidase inhibitors (maois) or use of maois within the last 14 days (see warnings ). · known or suspected gastrointestinal obstruction, including paralytic ileus (see warnings ). · hypersensitivity to codeine, acetaminophen, or any of the ingredients (e.g., anaphylaxis) (see warnings ). acetaminophen and codeine phosphate tablets contain codeine. codeine in combination with acetaminophen, is a schedule iii controlled substance. acetaminophen and codeine phosphate tablets contain codeine, a substance with a high potential for abuse similar to other opioids, including fentanyl, hydrocodone, hydromorphone, methadone, morphine, oxycodone, oxymorphone, and tapentadol. acetaminophen and codeine phosphate tablets can be abused and is subject to misuse, addiction, and criminal diversion (see warnings ). all patients treated with opioids require careful monitoring for signs of abuse and addiction, because use of opioid analgesic products carries the risk of addiction even under appropriate medical use. prescription drug abuse is the intentional non-therapeutic use of a prescription drug, even once, for its rewarding psychological or physiological effects. drug addiction is a cluster of behavioral, cognitive, and physiological phenomena that develop after repeated substance use and includes: a strong desire to take the drug, difficulties in controlling its use, persisting in its use despite harmful, or potentially harmful, consequences, a higher priority given to drug use than to other activities and obligations, increased tolerance, and sometimes a physical withdrawal. "drug-seeking" behavior is very common in persons with substance use disorders. drug-seeking tactics include emergency calls or visits near the end of office hours, refusal to undergo appropriate examination, testing, or referral, repeated "loss" of prescriptions, tampering with prescriptions and reluctance to provide prior medical records or contact information for other treating health care providers. "doctor shopping" (visiting multiple prescribers to obtain additional prescriptions) is common among drug abusers and people suffering from untreated addiction. preoccupation with achieving adequate pain relief can be appropriate behavior in a patient with poor pain control. abuse and addiction are separate and distinct from physical dependence and tolerance. healthcare providers should be aware that addiction may not be accompanied by concurrent tolerance and symptoms of physical dependence in all addicts. in addition, abuse of opioids can occur in the absence of true addiction. acetaminophen and codeine phosphate tablets, like other opioids, can be diverted for non-medical use into illicit channels of distribution. careful record-keeping of prescribing information, including quantity, frequency, and renewal requests, as required by state and federal law, is strongly advised. proper assessment of the patient, proper prescribing practices, periodic re-evaluation of therapy, and proper dispensing and storage are appropriate measures that help to limit abuse of opioid drugs. risks specific to abuse of acetaminophen and codeine phosphate tablets acetaminophen and codeine phosphate tablets are for oral use only. abuse of acetaminophen and codeine phosphate tablets poses a risk of overdose and death. the risk is increased with concurrent use of acetaminophen and codeine phosphate tablets with alcohol and other central nervous system depressants. parenteral drug abuse is commonly associated with transmission of infectious diseases such as hepatitis and hiv. both tolerance and physical dependence can develop during chronic opioid therapy. tolerance is the need for increasing doses of opioids to maintain a defined effect such as analgesia (in the absence of disease progression or other external factors). tolerance may occur to both the desired and undesired effects of drugs, and may develop at different rates for different effects. physical dependence is a physiological state in which the body adapts to the drug after a period of regular exposure, resulting in withdrawal symptoms after abrupt discontinuation or a significant dosage reduction of a drug. withdrawal also may be precipitated through the administration of drugs with opioid antagonist activity (e.g., naloxone, nalmefene), mixed agonist/antagonist analgesics (e.g., pentazocine, butorphanol, nalbuphine), or partial agonists (e.g., buprenorphine). physical dependence may not occur to a clinically significant degree until after several days to weeks of continued opioid usage. do not abruptly discontinue acetaminophen and codeine phosphate tablets in a patient physically dependent on opioids. rapid tapering of acetaminophen and codeine phosphate tablets in a patient physically dependent on opioids may lead to serious withdrawal symptoms, uncontrolled pain, and suicide. rapid discontinuation has also been associated with attempts to find other sources of opioid analgesics, which may be confused with drug-seeking for abuse. when discontinuing acetaminophen and codeine phosphate tablets, gradually taper the dosage using a patient-specific plan that considers the following: the dose of acetaminophen and codeine phosphate tablets the patient has been taking, the duration of treatment, and the physical and psychological attributes of the patient. to improve the likelihood of a successful taper and minimize withdrawal symptoms, it is important that the opioid tapering schedule is agreed upon by the patient.  in patients taking opioids for a long duration at high doses, ensure that a multimodal approach to pain management, including mental health support (if needed), is in place prior to initiating an opioid analgesic taper [see dosage and administration, warnings ] infants born to mothers physically dependent on opioids will also be physically dependent and may exhibit respiratory difficulties and withdrawal signs (see precautions; pregnancy ).