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Norvasc - Side Effects & Drug Interactions

[Amlodipine]



Respiratory System

dyspnea,** epistaxis.

Skin and Appendages

angioedema, erythema multiforme, pruritus,** rash,** rash erythematous, rash maculopapular.

** These events occurred in less than 1% in placebo-controlled trials, but the incidence of these side effects was between 1% and 2% in all multiple dose studies.

Special Senses

abnormal vision, conjunctivitis, diplopia, eye pain, tinnitus.

Urinary System

micturition frequency, micturition disorder, nocturia.

Autonomic Nervous System

dry mouth, sweating increased.

Metabolic and Nutritional

hyperglycemia, thirst.

Hemopoietic

leukopenia, purpura, thrombocytopenia.

The following events occurred in 0.1% of patients: cardiac failure, pulse irregularity, extrasystoles, skin discoloration, urticaria, skin dryness, alopecia, dermatitis, muscle weakness, twitching, ataxia, hypertonia, migraine, cold and clammy skin, apathy, agitation, amnesia, gastritis, increased appetite, loose stools, coughing, rhinitis, dysuria, polyuria, parosmia, taste perversion, abnormal visual accommodation, and xerophthalmia.

Other reactions occurred sporadically and cannot be distinguished from medications or concurrent disease states such as myocardial infarction and angina.

NORVASC therapy has not been associated with clinically significant changes in routine laboratory tests. No clinically relevant changes were noted in serum potassium, serum glucose, total triglycerides, total cholesterol, HDL cholesterol, uric acid, blood urea nitrogen, or creatinine.

The following postmarketing event has been reported infrequently where a causal relationship is uncertain: gynecomastia. In postmarketing experience, jaundice and hepatic enzyme elevations (mostly consistent with cholestasis or hepatitis) in some cases severe enough to require hospitalization have been reported in association with use of amlodipine.
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