Doxy-A 100 mg

Respiratory tract infections, chlamydial and other sexually transmitted infections, acne and rosacea, rickettsial infections (typhus), cholera, brucellosis, leptospirosis and Lyme disease. Also used for malaria prophylaxis.

Doxycycline is a long-acting tetracycline. It is bacteriostatic, binding to the 30S ribosomal subunit and inhibiting bacterial protein synthesis, with a broad spectrum that includes atypical organisms.

Adult: 200 mg on the first day, then 100 mg once daily; 200 mg daily in severe infection. Acne: 50-100 mg once daily for 6-12 weeks. Malaria prophylaxis: 100 mg once daily, as directed by the physician. Swallow whole with plenty of water while sitting or standing, preferably with food.

Nausea, vomiting, diarrhoea, oesophageal irritation, photosensitivity, skin rash. Rarely: raised intracranial pressure, liver toxicity; tooth discolouration in children.

Avoid exposure to strong sunlight. Do not take antacids, iron, calcium or zinc preparations at the same time. Use with caution in hepatic impairment and myasthenia gravis. Complete the full prescribed course. Use only on the prescription of a registered physician.

Hypersensitivity to tetracyclines; children under 12 years; pregnancy and breast-feeding.

Store below 30°C in a cool, dry place, away from light. Keep out of the reach of children.