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adverse reactions
6 ADVERSE REACTIONS The following adverse reactions are described in greater detail, in other sections: • Bradycardia and AV block [see Warnings and Precautions (5.1) ] • Heart failure [see Warnings and Precautions (5.2) ] • Acute hepatic injury [see Warnings and Precautions (5.3) ] • Severe skin reactions [see Warnings and Precautions (5.4) ] The most common adverse reactions (>2%) are lower limb edema, sinus congestion and rash in patients treated for hypertension, and lower limb edema, headache, dizziness, fatigue, bradycardia, first-degree AV block and cough in patients treated for angina. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Oceanside Pharmaceuticals at 1-800-321-4576 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. For the hypertension studies, the following table presents adverse reactions more common on diltiazem than on placebo (but excluding events with no plausible relationship to treatment), as reported in placebo-controlled hypertension trials in patients receiving a diltiazem hydrochloride extended-release formulation (once-a-day dosing) up to 540 mg. Placebo Diltiazem hydrochloride extended-release Adverse Reactions (MedDRA Term) n=120 # pts. (%) 120-360 mg n=501 # pts. (%) 540 mg n=123 # pts. (%) Edema lower limb 4 (3) 24 (5) 10 (8) Sinus congestion 0 (0) 2 (1) 2 (2) Rash 0 (0) 3 (1) 2 (2) In the angina study, the adverse event profile of Diltiazem Hydrochloride Extended-Release Tablets was consistent with what has been previously described for Diltiazem Hydrochloride Extended-Release Tablets and other formulations of diltiazem HCl. The most frequent adverse effects experienced by Diltiazem Hydrochloride Extended-Release Tablets-treated patients were edema lower-limb (6.8%), dizziness (6.4%), fatigue (4.8%), bradycardia (3.6%), first-degree atrioventricular block (3.2%), and cough (2%). In addition, the following events have been reported infrequently (less than 1%) in angina or hypertension trials: Cardiovascular: Angina, bundle branch block, palpitations, syncope, tachycardia, ventricular extrasystoles [see Warnings and Precautions ( 5.1 , 5.2 )]. Nervous System: Abnormal dreams, amnesia, depression, gait abnormality, hallucinations, insomnia, nervousness, paresthesia, personality change, somnolence, tinnitus, tremor. Gastrointestinal: Anorexia, constipation, diarrhea, dry mouth, dysgeusia, dyspepsia, thirst, vomiting, weight increase. Dermatological: Petechiae, photosensitivity, pruritus, urticaria [see Warnings and Precautions (5.4) ]. Other: Amblyopia, CPK increase, dyspnea, epistaxis, eye irritation, hyperglycemia, hyperuricemia, impotence, muscle cramps, nasal congestion, nocturia, osteoarticular pain, polyuria, sexual difficulties. 6.2 Post-Marketing Experience The following adverse reactions have been identified during post-approval use of diltiazem. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to estimate their frequency or establish a causal relationship to drug exposure. The following post-marketing reactions have been reported infrequently in patients receiving diltiazem: acute generalized exanthematous pustulosis, allergic reactions, alopecia, angioedema (including facial or periorbital edema), erythema multiforme, extrapyramidal symptoms, gingival hyperplasia, hemolytic anemia, increased bleeding time, leukopenia, photosensitivity (including lichenoid keratosis and hyperpigmentation at sun-exposed skin areas), purpura, retinopathy, myopathy, and thrombocytopenia. In addition, events such as myocardial infarction have been observed which are not readily distinguishable from the natural history of the disease in these patients. A number of well-documented cases of generalized rash, some characterized as leukocytoclastic vasculitis, have been reported.