Diagnosis in women is often delayed and the illness may be severe by the time it is detected. Dapsone with pyrimethamine is being studied for the prevention of toxoplasmosis. Side effects Anemia, allergic reaction such as widespread rash, and fever. Dosage Dapsone and ddI should not be taken together. The antacid used in the formulation of ddI may prevent dapsone from being absorbed.
Dapsone is taken in pill form.
The usual dose is 25 mg four times per day. It can also be given as 50 mg twice a day, or as a single dose of 100 mg per day. In such high dose, anemia may be more frequent. How long it may take to work Because dapsone is a preventive treatment, you will continue treatment as tolerated to prevent you from getting active PCP or other opportunistic infections that you may be susceptible to. Managing side effects If you have an allergic reaction to dapsone, desensitization may work.