Having Extreme Nausea, Dizziness And Exhaustion. Also Pimples And Itchy Patches Are Appearing On Face. Suggest Remedy

I am 46 yo, female and have been experiencing extreme nausea, dizziness and exhaustion for the past two months. I also suddenly have skin problems with pimples and itchy patches appearing on my face - this happens during the whole month and not just before ovulation or my period. I am unable to focus for long periods of time, and lack appetite.
I've been suffering from RA for 26 years, take only parasetamol and ibuprofen on a long-term basis. Stopped taking Arava around 14 months ago...