ALPRAZOLAM- alprazolam tablet United States - English - NLM (National Library of Medicine)

alprazolam- alprazolam tablet

mckesson corporation dba sky packaging - alprazolam (unii: yu55mq3izy) (alprazolam - unii:yu55mq3izy) - alprazolam .25 mg - alprazolam tablets are indicated for the management of anxiety disorder (a condition corresponding most closely to the apa diagnostic and statistical manual [dsm-iii-r] diagnosis of generalized anxiety disorder) or the short-term relief of symptoms of anxiety. anxiety or tension associated with the stress of everyday life usually does not require treatment with an anxiolytic. generalized anxiety disorder is characterized by unrealistic or excessive anxiety and worry (apprehensive expectation) about two or more life circumstances, for a period of 6 months or longer, during which the person has been bothered more days than not by these concerns. at least 6 of the following 18 symptoms are often present in these patients: motor tension (trembling, twitching, or feeling shaky; muscle tension, aches, or soreness; restlessness; easy fatigability); autonomic hyperactivity (shortness of breath or smothering sensations; palpitations or accelerated heart rate; sweating, or cold clammy hands; dry mouth; dizziness or l

ZOLGENSMA- onasemnogene abeparvovec-xioi kit United States - English - NLM (National Library of Medicine)

zolgensma- onasemnogene abeparvovec-xioi kit

novartis gene therapies, inc. - adeno-associated virus (unii: b769i4xpy3) (adeno-associated virus - unii:b769i4xpy3) - zolgensma is an adeno-associated virus (aav) vector-based gene therapy indicated for the treatment of pediatric patients less than 2 years of age with spinal muscular atrophy (sma) with bi-allelic mutations in the survival motor neuron 1 (smn1) gene. limitations of use - the safety and effectiveness of repeat administration of zolgensma have not been evaluated [see adverse reactions (6.2)] . - the use of zolgensma in patients with advanced sma (e.g., complete paralysis of limbs, permanent ventilator-dependence) has not been evaluated [see clinical studies (14)] . none. risk summary there are no available data regarding zolgensma use in pregnant women. no animal reproductive and developmental toxicity studies have been conducted with zolgensma. in the united states 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. risk summary there is no information available on the presence of zolgensma in human milk, the effects on the breastfed infant, or the effects on milk production. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for zolgensma and any potential adverse effects on the breastfed child from zolgensma or from the underlying maternal condition. administration of zolgensma to premature neonates before reaching full-term gestational age is not recommended, because concomitant treatment with corticosteroids may adversely affect neurological development. delay zolgensma infusion until the corresponding full-term gestational age is reached. there is no information on whether breastfeeding should be restricted in mothers who may be seropositive for anti-aav9 antibodies. the safety of zolgensma was studied in pediatric patients who received zolgensma infusion at age 0.3 to 7.9 months (weight range, 3.0 kg to 8.4 kg) [see adverse reactions (6)] . the efficacy of zolgensma was studied in pediatric patients who received zolgensma infusion at age 0.5 to 7.9 months (weight range, 3.6 kg to 8.4 kg) [see clinical studies (14)] . zolgensma therapy should be carefully considered in patients with liver impairment. cases of acute serious liver injury and acute liver failure have been reported with zolgensma in patients with preexisting liver abnormalities. in clinical trials, elevation of aminotransferases was observed in patients following zolgensma infusion [see warnings and precautions (5.1)] .

EZETIMIBE AND SIMVASTATIN tablet United States - English - NLM (National Library of Medicine)

ezetimibe and simvastatin tablet

avkare - ezetimibe (unii: eor26lqq24) (ezetimibe - unii:eor26lqq24), simvastatin (unii: agg2fn16ev) (simvastatin - unii:agg2fn16ev) - therapy with lipid-altering agents should be only one component of multiple risk factor intervention in individuals at significantly increased risk for atherosclerotic vascular disease due to hypercholesterolemia. drug therapy is indicated as an adjunct to diet when the response to a diet restricted in saturated fat and cholesterol and other nonpharmacologic measures alone has been inadequate. ezetimibe and simvastatin tablets are indicated for the reduction of elevated total cholesterol (total-c), low-density lipoprotein cholesterol (ldl-c), apolipoprotein b (apo b), triglycerides (tg), and non-high-density lipoprotein cholesterol (non-hdl-c), and to increase high-density lipoprotein cholesterol (hdl-c) in patients with primary (heterozygous familial and non-familial) hyperlipidemia or mixed hyperlipidemia. ezetimibe and simvastatin tablets are indicated for the reduction of elevated total-c and ldl-c in patients with homozygous familial hypercholesterolemia, as an adjunct to other lipid-lowering treatments (e.g., ldl apheresis) or if such treatments are unavailable. no incremental benefit of ezetimibe and simvastatin tablets on cardiovascular morbidity and mortality over and above that demonstrated for simvastatin has been established. ezetimibe and simvastatin tablets have not been studied in fredrickson type i, iii, iv, and v dyslipidemias. ezetimibe and simvastatin tablets are contraindicated in the following conditions: - concomitant administration of strong cyp3a4 inhibitors (e.g., itraconazole, ketoconazole, posaconazole, voriconazole, hiv protease inhibitors, boceprevir, telaprevir, erythromycin, clarithromycin, telithromycin, nefazodone, and cobicistat-containing products) [see warnings and precautions (5.1)] . - concomitant administration of gemfibrozil, cyclosporine, or danazol [see warnings and precautions (5.1)] . - hypersensitivity to any component of this medication [see adverse reactions (6.2)] . - active liver disease or unexplained persistent elevations in hepatic transaminase levels [see warnings and precautions (5.3)] . - women who are pregnant or may become pregnant. serum cholesterol and triglycerides increase during normal pregnancy, and cholesterol or cholesterol derivatives are essential for fetal development. because hmg-coa reductase inhibitors (statins), such as simvastatin, decrease cholesterol synthesis and possibly the synthesis of other biologically active substances derived from cholesterol, ezetimibe and simvastatin may cause fetal harm when administered to a pregnant woman. atherosclerosis is a chronic process and the discontinuation of lipid-lowering drugs during pregnancy should have little impact on the outcome of long-term therapy of primary hypercholesterolemia. there are no adequate and well-controlled studies of ezetimibe and simvastatin use during pregnancy; however, in rare reports congenital anomalies were observed following intrauterine exposure to statins. in rat and rabbit animal reproduction studies, simvastatin revealed no evidence of teratogenicity. e zetimibe and simvastatin should be administered to women of childbearing age only when such patients are highly unlikely to conceive. if the patient becomes pregnant while taking this drug, ezetimibe and simvastatin should be discontinued immediately and the patient should be apprised of the potential hazard to the fetus [see use in specific populations (8.1)] . - nursing mothers. it is not known whether simvastatin is excreted into human milk; however, a small amount of another drug in this class does pass into breast milk. because statins have the potential for serious adverse reactions in nursing infants, women who require ezetimibe and simvastatin treatment should not breastfeed their infants [see use in specific populations (8.3)] . pregnancy category x. [see contraindications (4)]. e zetimibe and simvastatin ezetimibe and simvastatin is contraindicated in women who are or may become pregnant. lipid-lowering drugs offer no benefit during pregnancy, because cholesterol and cholesterol derivatives are needed for normal fetal development. atherosclerosis is a chronic process, and discontinuation of lipid-lowering drugs during pregnancy should have little impact on long-term outcomes of primary hypercholesterolemia therapy. there are no adequate and well-controlled studies of ezetimibe and simvastatin use during pregnancy; however, there are rare reports of congenital anomalies in infants exposed to statins in utero . animal reproduction studies of simvastatin in rats and rabbits showed no evidence of teratogenicity. serum cholesterol and triglycerides increase during normal pregnancy, and cholesterol or cholesterol derivatives are essential for fetal development. because statins, such as simvastatin, decrease cholesterol synthesis and possibly the synthesis of other biologically active substances derived from cholesterol, ezetimibe and simvastatin may cause fetal harm when administered to a pregnant woman. if ezetimibe and simvastatin is used during pregnancy or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to the fetus. women of childbearing potential, who require ezetimibe and simvastatin treatment for a lipid disorder, should be advised to use effective contraception. for women trying to conceive, discontinuation of ezetimibe and simvastatin should be considered. if pregnancy occurs, ezetimibe and simvastatin should be immediately discontinued. ezetimibe in oral (gavage) embryo-fetal development studies of ezetimibe conducted in rats and rabbits during organogenesis, there was no evidence of embryolethal effects at the doses tested (250, 500, 1,000 mg/kg/day). in rats, increased incidences of common fetal skeletal findings (extra pair of thoracic ribs, unossified cervical vertebral centra, shortened ribs) were observed at 1,000 mg/kg/day (~10 times the human exposure at 10 mg daily based on auc 0-24hr for total ezetimibe). in rabbits treated with ezetimibe, an increased incidence of extra thoracic ribs was observed at 1,000 mg/kg/day (150 times the human exposure at 10 mg daily based on auc 0-24hr for total ezetimibe). ezetimibe crossed the placenta when pregnant rats and rabbits were given multiple oral doses. multiple-dose studies of ezetimibe co-administered with statins in rats and rabbits during organogenesis result in higher ezetimibe and statin exposures. reproductive findings occur at lower doses in co-administration therapy compared to monotherapy. simvastatin simvastatin was not teratogenic in rats or rabbits at doses (25 mg/kg/day, 10 mg/kg/day, respectively) that resulted in 3 times the human exposure based on mg/m 2 surface area. however, in studies with another structurally-related statin, skeletal malformations were observed in rats and mice. there are rare reports of congenital anomalies following intrauterine exposure to statins. in a review 1 of approximately 100 prospectively followed pregnancies in women exposed to simvastatin or another structurally-related statin, the incidences of congenital anomalies, spontaneous abortions and fetal deaths/stillbirths did not exceed what would be expected in the general population. the number of cases is adequate only to exclude a 3- to 4-fold increase in congenital anomalies over the background incidence. in 89% of the prospectively followed pregnancies, drug treatment was initiated prior to pregnancy and was discontinued at some point in the first trimester when pregnancy was identified.                                         1 manson, j.m., freyssinges, c., ducrocq, m.b., stephenson, w.p., postmarketing surveillance of lovastatin and simvastatin exposure during pregnancy, reproductive toxicology , 10(6):439-446, 1996. it is not known whether simvastatin is excreted in human milk. because a small amount of another drug in this class is excreted in human milk and because of the potential for serious adverse reactions in nursing infants, women taking simvastatin should not nurse their infants. a decision should be made whether to discontinue nursing or discontinue drug, taking into account the importance of the drug to the mother [see contraindications (4)] . in rat studies, exposure to ezetimibe in nursing pups was up to half of that observed in maternal plasma. it is not known whether ezetimibe or simvastatin are excreted into human breast milk. because a small amount of another drug in the same class as simvastatin is excreted in human milk and because of the potential for serious adverse reactions in nursing infants, women who are nursing should not take ezetimibe and simvastatin [see contraindications (4)] . the effects of ezetimibe co-administered with simvastatin (n=126) compared to simvastatin monotherapy (n=122) have been evaluated in adolescent boys and girls with heterozygous familial hypercholesterolemia (hefh). in a multicenter, double-blind, controlled study followed by an open-label phase, 142 boys and 106 postmenarchal girls, 10 to 17 years of age (mean age 14.2 years, 43% females, 82% caucasians, 4% asian, 2% blacks, 13% multiracial) with hefh were randomized to receive either ezetimibe co-administered with simvastatin or simvastatin monotherapy. inclusion in the study required 1) a baseline ldl-c level between 160 and 400 mg/dl and 2) a medical history and clinical presentation consistent with hefh. the mean baseline ldl-c value was 225 mg/dl (range: 161 mg/dl to 351 mg/dl) in the ezetimibe co-administered with simvastatin group compared to 219 mg/dl (range: 149 mg/dl to 336 mg/dl) in the simvastatin monotherapy group. the patients received co-administered ezetimibe and simvastatin (10 mg, 20 mg, or 40 mg) or simvastatin monotherapy (10 mg, 20 mg, or 40 mg) for 6 weeks, co-administered ezetimibe and 40 mg simvastatin or 40 mg simvastatin monotherapy for the next 27 weeks, and open-label co-administered ezetimibe and simvastatin (10 mg, 20 mg, or 40 mg) for 20 weeks thereafter. the results of the study at week 6 are summarized in table 3. results at week 33 were consistent with those at week 6. table 3: mean percent difference at week 6 between the pooled ezetimibe co-administered with simvastatin group and the pooled simvastatin monotherapy group in adolescent patients with heterozygous familial hypercholesterolemia total-c ldl-c apo b non-hdl-c tg * hdl-c mean percent difference between treatment groups -12% -15% -12% -14% -2% +0.1% 95% confidence interval (-15%, -9%) (-18%, -12%) (-15%, -9%) (-17%, -11%) (-9, +4) (-3, +3) * for triglycerides, median % change from baseline. from the start of the trial to the end of week 33, discontinuations due to an adverse reaction occurred in 7 (6%) patients in the ezetimibe co-administered with simvastatin group and in 2 (2%) patients in the simvastatin monotherapy group. during the trial, hepatic transaminase elevations (two consecutive measurements for alt and/or ast ≥3 x uln) occurred in four (3%) individuals in the ezetimibe co-administered with simvastatin group and in two (2%) individuals in the simvastatin monotherapy group. elevations of cpk (≥10 x uln) occurred in two (2%) individuals in the ezetimibe co-administered with simvastatin group and in zero individuals in the simvastatin monotherapy group. in this limited controlled study, there was no significant effect on growth or sexual maturation in the adolescent boys or girls, or on menstrual cycle length in girls. co-administration of ezetimibe with simvastatin at doses greater than 40 mg/day has not been studied in adolescents. also, ezetimibe and simvastatin has not been studied in patients younger than 10 years of age or in pre-menarchal girls. ezetimibe based on total ezetimibe (ezetimibe + ezetimibe-glucuronide) there are no pharmacokinetic differences between adolescents and adults. pharmacokinetic data in the pediatric population <10 years of age are not available. simvastatin the pharmacokinetics of simvastatin has not been studied in the pediatric population. of the 10,189 patients who received ezetimibe and simvastatin in clinical studies, 3,242 (32%) were 65 and older (this included 844 (8%) who were 75 and older). no overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients but greater sensitivity of some older individuals cannot be ruled out. since advanced age (≥65 years) is a predisposing factor for myopathy, ezetimibe and simvastatin should be prescribed with caution in the elderly [see clinical pharmacology (12.3)] . because advanced age (≥65 years) is a predisposing factor for myopathy, including rhabdomyolysis, ezetimibe and simvastatin should be prescribed with caution in the elderly. in a clinical trial of patients treated with simvastatin 80 mg/day, patients ≥65 years of age had an increased risk of myopathy, including rhabdomyolysis, compared to patients <65 years of age [see  warnings and precautions (5.1)  and clinical pharmacology (12.3) ] . in the sharp trial of 9,270 patients with moderate to severe renal impairment (6,247 non-dialysis patients with median serum creatinine 2.5 mg/dl and median estimated glomerular filtration rate 25.6 ml/min/1.73 m 2 , and 3,023 dialysis patients), the incidence of serious adverse events, adverse events leading to discontinuation of study treatment, or adverse events of special interest (musculoskeletal adverse events, liver enzyme abnormalities, incident cancer) was similar between patients ever assigned to ezetimibe and simvastatin 10/20 mg (n=4,650) or placebo (n=4,620) during a median follow-up of 4.9 years. however, because renal impairment is a risk factor for statin-associated myopathy, doses of ezetimibe and simvastatin exceeding 10/20 mg should be used with caution and close monitoring in patients with moderate to severe renal impairment [see  dosage and administration (2.5),  adverse reactions (6.1),  and clinical studies (14.3)] . ezetimibe and simvastatin is contraindicated in patients with active liver disease or unexplained persistent elevations in hepatic transaminases [see contraindications (4)  and warnings and precautions (5.3)] . in a clinical trial in which patients at high risk of cardiovascular disease were treated with simvastatin 40 mg/day (median follow-up 3.9 years), the incidence of myopathy was approximately 0.05% for non-chinese patients (n=7,367) compared with 0.24% for chinese patients (n=5,468). the incidence of myopathy for chinese patients on simvastatin 40 mg/day or ezetimibe and simvastatin 10/40 mg/day co-administered with extended-release niacin 2 g/day was 1.24%. chinese patients may be at higher risk for myopathy, monitor patients appropriately. co-administration of ezetimibe and simvastatin with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products is not recommended in chinese patients [see warnings and precautions (5.1), drug interactions (7.4)] .

QUETIAPINE FUMARATE tablet United States - English - NLM (National Library of Medicine)

quetiapine fumarate tablet

mckesson corporation dba sky packaging - quetiapine fumarate (unii: 2s3pl1b6uj) (quetiapine - unii:bgl0jsy5si) - quetiapine 100 mg - quetiapine tablets are indicated for the treatment of schizophrenia. the efficacy of quetiapine tablets in schizophrenia was established in three 6-week trials in adults and one 6-week trial in adolescents (13 to 17 years). the effectiveness of quetiapine tablets for the maintenance treatment of schizophrenia has not been systematically evaluated in controlled clinical trials [ see clinical studies ( 14.1) ]. quetiapine tablets are indicated for the acute treatment of manic episodes associated with bipolar i disorder, both as monotherapy and as an adjunct to lithium or divalproex. efficacy was established in two 12-week monotherapy trials in adults, in one 3-week adjunctive trial in adults, and in one 3-week monotherapy trial in pediatric patients (10 to 17 years) [ see clinical studies ( 14.2) ]. quetiapine tablets are indicated as monotherapy for the acute treatment of depressive episodes associated with bipolar disorder. efficacy was established in two 8-week monotherapy trials in a

CHLORDIAZEPOXIDE HYDROCHLORIDE CAPSULES, USP C-IV  
 Rx only United States - English - NLM (National Library of Medicine)

chlordiazepoxide hydrochloride capsules, usp c-iv rx only

solco healthcare us llc - chlordiazepoxide hydrochloride (unii: mfm6k1xwdk) (chlordiazepoxide - unii:6rz6xez3cr) - chlordiazepoxide hydrochloride 5 mg - chlordiazepoxide hydrochloride capsules are indicated for the management of anxiety disorders or for the short term relief of symptoms of anxiety, withdrawal symptoms of acute alcoholism, and preoperative apprehension and anxiety. anxiety or tension associated with the stress of everyday life usually does not require treatment with an anxiolytic. the effectiveness of chlordiazepoxide hydrochloride capsules in long-term use, that is, more than 4 months, has not been assessed by systematic clinical studies. the physician should periodically reassess the usefulness of the drug for the individual patient. chlordiazepoxide hydrochloride capsules are contraindicated in patients with known hypersensitivity to the drug. controlled substance chlordiazepoxide is a schedule iv controlled substance. chlordiazepoxide is a benzodiazepine and a cns depressant with a potential for abuse and addiction. abuse is the intentional, non-therapeutic use of a drug, even once, for its desirable psychological or physiological effects.

DEXEDRINE SPANSULE- dextroamphetamine sulfate capsule, extended release United States - English - NLM (National Library of Medicine)

dexedrine spansule- dextroamphetamine sulfate capsule, extended release

amneal pharmaceuticals llc - dextroamphetamine sulfate (unii: jj768o327n) (dextroamphetamine - unii:tz47u051fi) - dexedrine is indicated in: narcolepsy attention deficit disorder with hyperactivity as an integral part of a total treatment program that typically includes other measures (psychological, educational, social) for patients (ages 6 years to 16 years) with this syndrome. a diagnosis of attention deficit hyperactivity disorder (adhd; dsm-iv) implies the presence of the hyperactive-impulsive or inattentive symptoms that caused impairment and were present before age 7 years. the symptoms must cause clinically significant impairment, e.g., in social, academic, or occupational functioning, and be present in 2 or more settings, e.g., school (or work) and at home. the symptoms must not be better accounted for by another mental disorder. for the inattentive type, at least 6 of the following symptoms must have persisted for at least 6 months: lack of attention to details/careless mistakes; lack of sustained attention; poor listener; failure to follow through on tasks; poor organization; avoids tasks requiring sustained m

CENTER-AL - DACTYLIS GLOMERATA POLLEN- dactylis glomerata pollen injection, suspension
CENTER-AL - CARYA ILLINOINENSIS POLLEN- United States - English - NLM (National Library of Medicine)

center-al - dactylis glomerata pollen- dactylis glomerata pollen injection, suspension center-al - carya illinoinensis pollen-

alk-abello, inc. - dactylis glomerata pollen (unii: 83n78ida7p) (dactylis glomerata pollen - unii:83n78ida7p) - dactylis glomerata pollen 20000 [pnu] in 1 ml - hyposensitization (injection) therapy is a treatment for patients exhibiting allergic reactions to seasonal pollens, dust mites, molds, animal danders, and various other inhalants, in situations where the offending allergen cannot be avoided. prior to the initiation of therapy, clinical sensitivity should be established by careful evaluation of the patient’s history confirmed by diagnostic skin testing. hyposensitization should not be prescribed for sensitivities to allergens which can be easily avoided. a patient should not be immunized against a substance which the patient has not demonstrated symptoms and/or tissue-fixed ige antibodies as demonstrated by skin testing. immunotherapy should not be attempted in patients with active asthma, severe respiratory obstruction, or cardiovascular disease. there is some evidence, although inconclusive, that routine immunizations may exacerbate autoimmune diseases. hyposensitization should be given cautiously to patients with this predisposition. the physician must w

DESIPRAMINE HYDROCHLORIDE- desipramine hydrochloride tablet, film coated United States - English - NLM (National Library of Medicine)

desipramine hydrochloride- desipramine hydrochloride tablet, film coated

corepharma, llc - desipramine hydrochloride (unii: 1y58do4my1) (desipramine - unii:tg537d343b) - desipramine hydrochloride 10 mg - desipramine hydrochloride tablets, usp are indicated for the treatment of depression. the use of maois intended to treat psychiatric disorders with desipramine hydrochloride or within 14 days of stopping treatment with desipramine hydrochloride is contraindicated because of an increased risk of serotonin syndrome. the use of desipramine hydrochloride within 14 days of stopping an maoi intended to treat psychiatric disorders is also contraindicated (see warnings  and dosage and administration). starting desipramine hydrochloride in a patient who is being treated with maois such as linezolid or intravenous methylene blue is also contraindicated because of an increased risk of serotonin syndrome (see warnings  and dosage and administration). desipramine hydrochloride is contraindicated in the acute recovery period following myocardial infarction. it should not be used in those who have shown prior hypersensitivity to the drug. cross-sensitivity between this and other dibenzazepines is a possibility.

METHYLPHENIDATE HYDROCHLORIDE- methylphenidate hydrochloride capsule, extended release United States - English - NLM (National Library of Medicine)

methylphenidate hydrochloride- methylphenidate hydrochloride capsule, extended release

corepharma, llc - methylphenidate hydrochloride (unii: 4b3sc438hi) (methylphenidate - unii:207zz9qz49) - methylphenidate hydrochloride 10 mg - methylphenidate hydrochloride extended-release capsules are contraindicated in patients with marked anxiety, tension and agitation, since the drug may aggravate these symptoms. methylphenidate hydrochloride extended-release capsules are contraindicated in patients known to be hypersensitive to methylphenidate or other components of the product. methylphenidate hydrochloride extended-release capsules contain sucrose. therefore, patients with rare hereditary problems of fructose intolerance, glucose-galactose malabsorption, or sucrase-isomaltase insufficiency should not take this medicine. methylphenidate hydrochloride extended-release capsules are contraindicated in patients with glaucoma. methylphenidate hydrochloride extended-release capsules are contraindicated in patients with motor tics or with a family history or diagnosis of tourette’s syndrome (see adverse reactions). methylphenidate hydrochloride extended-release capsules are contraindicated during treatment with monoamine oxidase inhibitors, and also

CARBIDOPA AND LEVODOPA- carbidopa and levodopa tablet United States - English - NLM (National Library of Medicine)

carbidopa and levodopa- carbidopa and levodopa tablet

mckesson corporation dba sky packaging - carbidopa (unii: mnx7r8c5vo) (carbidopa anhydrous - unii:kr87b45rgh), levodopa (unii: 46627o600j) (levodopa - unii:46627o600j) - carbidopa anhydrous 10 mg - carbidopa and levodopa tablets usp are indicated in the treatment of parkinson's disease post-encephalitic parkinsonism, and symptomatic parkinsonism that may follow carbon monoxide intoxication or manganese intoxication. carbidopa allows patients treated for parkinson's disease to use much lower doses of levodopa. some patients who responded poorly to levodopa have improved on carbidopa and levodopa tablets usp. this is most likely due to decreased peripheral decarboxylation of levodopa caused by administration of carbidopa rather than by a primary effect of carbidopa on the nervous system. carbidopa has not been shown to enhance the intrinsic efficacy of levodopa. carbidopa may also reduce nausea and vomiting and permit more rapid titration of levodopa. nonselective monoamine oxidase (mao) inhibitors are contraindicated for use with carbidopa and levodopa. these inhibitors must be discontinued at least two weeks prior to initiating therapy with carbidopa and levodopa. carbidopa and levodopa may be administe