Country: Ireland
Language: English
Source: HPRA (Health Products Regulatory Authority)
METHADONE HYDROCHLORIDE
CP Pharmaceuticals Ltd trading as Wockhardt UK
1ml Millilitre
Solution for Injection
1999-02-19
PART II SUMMARY OF PRODUCT CHARACTERISTICS 1 NAME OF THE MEDICINAL PRODUCT Methadone 10mg/ml Solution for injection 2 QUALITATIVE AND QUANTITATIVE COMPOSITION Methadone Hydrochloride 10 mg in 1 ml. For excipients, see 6.1 3 PHARMACEUTICAL FORM Solution for injection. Clean colourless solution for injection. 4 CLINICAL PARTICULARS 4.1 THERAPEUTIC INDICATIONS Methadone injection may be used as an analgesic for severe pain as an alternative to morphine. 4.2 POSOLOGY AND METHOD OF ADMINISTRATION BY INTRAMUSCULAR OR SUBCUTANEOUS INJECTION. Initially a single dose of 5-10 mg at six to eight hourly intervals, adjusted according to response. _Elderly_: Repeated doses should only be given with extreme caution in the case of elderly or debilitated patients. _Children_: Not suitable for use. 4.3 CONTRAINDICATIONS Respiratory depression or respiratory failure; airways obstruction. Use during an acute asthma attack is not advisable. Methadone should not be administered to patients with head injuries or raised intracranial pressure as there is a risk of respiratory depression which may lead to a further elevation of CSF pressure. The sedation and pupillary changes produced may interfere with accurate monitoring of the patient. Monamine oxidase inhibitor drugs given concurrently or within two weeks of discontinuation. Obstetric use is not recommended because of the increased risk of neonatal depression due to the long duration of action. 4.4 SPECIAL WARNINGS AND PRECAUTIONS FOR USE Methadone has a long half life and accumulation may occur with repeated doses, especially in elderly or debilitated patients. IRISH MEDICINES BOARD ________________________________________________________________________________________________________________________ _Date Printed 13/03/2009_ _CRN 2063083_ _page number: 1_ Repeated administrati Read the complete document