Aldactone 100mg Tab

Side Effects of Aldactone 100mg Tab

Fluid or electrolyte imbalance, gynaecomastia, GI upset, drowsiness, headache, hyponatraemia; tachycardia, hypotension, oliguria, hyperkalaemia; confusion, weakness, paraesthesia, hirsutism, mental disturbances, menstrual irregularities, loss of libido and impotence. Potentially Fatal: Fatal hyperkalaemia in combination with ACE inhibitors and previous renal impairment; agranulocytosis.

Drug Interactions

Sodium excretion effect may be inhibited by aspirin. May reduce ulcer-healing properties of carbenoxolone. Increased risk of nephrotoxicity when used with NSAIDs or ciclosporin. Hyperkalaemia may occur if given with potassium supplements, ACE inhibitors, angiotensin II antagonists, NSAIDs, ciclosporin or trilostane. May increase risk of orthostatic hypotension when used with barbiturates, narcotics or alcohol. May reduce vascular responsiveness to pressor amines. May increase half-life of digoxin. Potentially Fatal: Increased risk of lithium toxicity when used concurrently.

Contraindications

Anuria, hyperkalaemia, acute or progressive renal insufficiency. Addison's disease.

Mechanism of Action

Spironolactone acts on the distal renal tubules as a competitive antagonist of aldosterone. It increases the excretion of sodium chloride and water while conserving potassium and hydrogen ions. Absorption: Well absorbed from the GI tract after oral admin with a bioavailability of 90%. Distribution: About 90% bound to plasma proteins. Metabolism: Extensively metabolised. Excretion: Mainly excreted in the urine, some in the faeces, as metabolites.

Special Precautions

Patients at risk of developing hyperkalaemia and acidosis; monitor serum electrolytes; renal and hepatic impairment; DM; elderly; pregnancy.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

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