I'm wondering if you have joint pain as well. If so, you'll want to look into psoriatic arthritis. It's treated the same way as psoriasis. I have PsA and the only symptom of psoriasis that I have is striations/ridges on my fingernails, a telltale sign. Most doctors will start with low level drugs such as plaquenil [DMARD], but more often than not, a stronger drug such as Methotrexate or a biologic is needed. Not sure about now, but I know in the past they used to prescribe a steroid for the scalp which was very messy. The DMARDS and biologics are very very successful. I would strongly urge you to forget all the OTC stuff and false claims that mention a cure and go straight for one of the meds I have named.