Contraindicated in:
Use Cautiously in:
EENT: blurred vision, disturbed equilibrium, epistaxis, tinnitus.
Resp: cough, dyspnea.
CV: ARRHYTHMIAS, HF, peripheral edema, chest pain, hypotension, palpitations, syncope, tachycardia.
GI: anorexia, constipation, diarrhea, dry mouth, dysgeusia, dyspepsia, ↑ liver enzymes, nausea, vomiting.
GU: dysuria, nocturia, polyuria, sexual dysfunction, urinary frequency.
Derm: dermatitis, erythema multiforme, flushing, ↑ sweating, photosensitivity, pruritus/urticaria, rash.
Endo: gynecomastia, hyperglycemia.
Hemat: anemia, leukopenia, thrombocytopenia.
Metab: weight gain.
MS: joint stiffness, muscle cramps.
Neuro: paresthesia, tremor , headache, abnormal dreams, anxiety, confusion, dizziness, drowsiness, nervousness, psychiatric disturbances, weakness.
Misc: STEVENS-JOHNSON SYNDROME, gingival hyperplasia.
Drug-Drug:
Drug-Food:
Therapeutic Classification: antianginals, antihypertensives
Pharmacologic Classification: calcium channel blockers
Absorption: Well absorbed after oral administration, but extensively metabolized, resulting in ↓ bioavailability.
Distribution: Unknown.
Protein Binding: >99%.
Metabolism/Excretion: Mostly metabolized; minimal amounts excreted unchanged by kidneys.
Half-life: 1116 hr.