Good day . Ive seen dr after dr and after dr .that treated me for allergy they gave me allergex and steroids for symptoms until i gone look up on the internet and diagnos myself . With lechen planes . Purple flat spots on my wrist and ancles . And im in mozambique there are no clinics or hospitals close by . Ive asked family to send me dapsone 100 mg vitamin a ,vitamin d , vitamin e and topical steroids cream i started using dapsone 100mg for 2 weeks and 2 days 2x100mg how long shold i use it