Posology
Adults and children over 12 years:
Multibacillary leprosy (3-drug regimen): 100mg daily for at least two years.
Paucibacillary leprosy (2-drug regimen): 100mg daily for at least six months.
Malaria prophylaxis: 100mg weekly with 12.5mg pyrimethamine.
Dermatitis herpetiformis: Initially 50mg daily, gradually increased to 300mg daily if required. Once lesions have begun to subside, the dose should be reduced to a minimum as soon as possible, usually 25-50mg daily, which may be continued for a number of years. Maintenance dosage can often be reduced in patients receiving a gluten-free diet.
Pneumocystis carinii pneumonia: In combination with trimethoprim, 50-100mg daily; 100mg twice weekly or 200mg once weekly.
Children 6-12 years:
Multibacillary leprosy (3-drug regimen): 50mg daily for at least two years.
Paucibacillary leprosy (2-drug regimen): 50mg daily for at least six months.
Elderly: Dosage should be reduced in the elderly where there is an impairment of hepatic function.
Method of Administration
For oral administration.