Suggest Remedy For Dark Patches & Pimples On Face

Doctor.. Im having no. of facial problem. Initially a dark patch started around my mouth area at the age of 14. Now Im 28. Last year i starte medicine for the dark cicle. The medicine worked well. I looked very fare. Bt nw I have come with the problem of pimples . Everyday a nwew pimple come o my face.And let tell me tell u one more thing that i have irregular cycle from the very begining. Every time i take medicine.. i m fine for 3- 4 mnths and the same story continous again.