It sounds like psoriasis. You might try Psoriaflora cream.
From your symptoms chances are more likely that it is due to molluscum contagiosum. Molluscum are multiple, small, dome-shaped papules, often with a central depression or plug. They are the result of a viral skin infection that is spread through skin-to-skin contact, so the infection can often be passed on during sex.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.