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Genacyn 0.1%

Ointment

Generic: Gentamicin

Square Pharmaceuticals PLC.

Therapeutic Class: Aminoglycoside Antibiotic

Indications

Injection: serious Gram-negative infections such as septicaemia, neonatal sepsis, complicated urinary tract infections, biliary and intra-abdominal infections, and endocarditis (with other antibiotics). Eye drops and skin ointment: superficial bacterial infections of the eye and skin.

Pharmacology

Gentamicin is an aminoglycoside. It binds irreversibly to the 30S ribosomal subunit, causing misreading of mRNA and bacterial death. It is active mainly against aerobic Gram-negative bacteria and staphylococci.

Dosage & Administration

Adult (IM/IV): 3-5 mg/kg daily in divided doses every 8 hours or as a single daily dose, adjusted to renal function and serum levels. Child: dose by body weight, as directed by the physician. Eye drops 0.3%: 1-2 drops up to 6 times daily, or as directed by the physician. Ointment 0.1%: apply to the affected area 3-4 times daily.

Side Effects

Injection: kidney damage, hearing loss and balance disturbance, skin rash. Eye drops and ointment: temporary irritation or stinging.

Precautions & Warnings

Monitor renal function and serum gentamicin levels. Use with caution in the elderly, in renal impairment and dehydration, and with other drugs harmful to the kidney or ear (e.g. furosemide). Avoid prolonged use. Complete the full prescribed course. Use only on the prescription of a registered physician.

Contraindications

Hypersensitivity to gentamicin or other aminoglycosides; myasthenia gravis.

Storage Conditions

Store below 30°C in a cool, dry place, away from light. Do not freeze. Keep out of the reach of children. Discard eye drops 4 weeks after first opening.

This information is for reference only. Always consult a qualified doctor or pharmacist before taking any medicine.

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