Generic Name and Formulations:
Spironolactone 25mg, 50mg+, 100mg+; tabs; +scored.
Company:
Pfizer Inc.
Edema.
Initially 25–200mg daily. Usual starting dosage: 100mg/day in single or divided doses. Maintain for 5 days, then retitrate.
Initially 3.3mg/kg per day in single or divided doses.
K+-sparing.
Hyperkalemia. Renal impairment.
Hepatic cirrhosis. Hyponatremia. Surgery. Monitor electrolytes. Pregnancy. Nursing mothers: not recommended.
Avoid K+ sparing diuretics, K+ supplements, K+ containing salt substitutes, lithium. Hyperkalemia more likely with ACE inhibitors, NSAIDs. Hypokalemia with corticosteroids, ACTH. Antagonized by NSAIDs. Potentiates ganglionic blockers, alcohol, barbiturates, narcotics, skeletal muscle relaxants. Digitalis toxicity.
Hyperkalemia, hyponatremia, gynecomastia, GI disturbances, drowsiness, headache, rash, confusion, drug fever, ataxia, impotence, hirsutism, voice deepening, menstrual changes, gastric ulcers, agranulocytosis.
Tabs 25mg—100, 500, 2500; 50mg, 100mg—100
Adjunct in hypertension.
Initially 50–100mg/day in single or divided doses. Titrate at 2 week intervals.
Not recommended.
Diuretic (K+ sparing).
Hyperkalemia. Renal impairment. Anuria.
Hepatic cirrhosis. Hyponatremia. Surgery. Monitor electrolytes. Pregnancy. Nursing mothers: not recommended.
Avoid K+ sparing diuretics, K+ supplements, K+ containing salt substitutes, lithium. Hyperkalemia more likely with ACE inhibitors, NSAIDs. Hypokalemia with corticosteroids, ACTH. Antagonized by NSAIDs. Potentiates ganglionic blockers, alcohol, barbiturates, narcotics, skeletal muscle relaxants. Digitalis toxicity.
Hyperkalemia, hyponatremia, gynecomastia, GI disturbances, drowsiness, headache, rash, confusion, drug fever, ataxia, impotence, hirsutism, voice deepening, menstrual changes, gastric ulcers, agranulocytosis.
Tabs 25mg—100, 500, 2500; 50mg, 100mg—100