Nifedipine--a survey of adverse effects. Four years' reporting in Sweden

During the period February 1983 to December 1984 the Swedish Adverse Drug Reactions Advisory Committee received 80 reports describing 116 adverse reactions with a possible or probable connection to nifedipine. The most frequently reported reactions are oedema, tachycardia, headache and rash. Confusion and sleep disorders constitute 8 cases. Impaired angina is a potentially serious reaction and one patient developed myocardial infarction.