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Drug Class Description
Calcium-channel blockers (class II calcium antagonists).Generic Name
Nifedipine - hypertensionDrug Description
Modified release tablets.Presentation
Tablets, nifedipine 40mg .Indications
Hypertension.Adult Dosage
40mg once daily, increasing to 80mg daily if necessary.Child Dosage
Not recommended.Contra Indications
Cardiogenic shock, unstable angina, severe aortic stenosis, within a month of MI. Pregnancy, lactation.Special Precautions
Poor cardiac reserve, heart failure, hepatic impairment, severe hypotension, diabetes, dialysis.
Interactions
Antihypertensives, cimetidine, quinidine, digoxin, rifampicin, diltiazem, I.V. magnesium sulphate, grapefruit juice.Adverse Reactions
Headache, flushing, dizziness, oedema, tachycardia, hypotension, GI disturbances, lethargy, paraesthesia, skin reactions, paraesthesia, skin reactions, myalgia, tremor, visual disturbances, increased urinary frequency, hypersensitivity type jaundice (rare), gingival hyperplasia, gynaecomastia. MI, ischaemic pain (discontinue).
Manufacturer
AshbourneDrug Availability
(POM)Updated
31 August 2010