Please somebody help me I had protected sex in 2018, after few months I started facing some healthy issues like body itching, swelling lymph nodes ,skin redness, problem in swallowing and after 3 months twice I have done hiv test and it was negative! now it's been almost 3 years, I have pain and pus around my most of the fingernails and itching around neck and scalp, painful pimples in groin, rashes like contact dermatitis, ulcers in mouth later I have done syphilis test it was negative, now am confused and scared. Could you please tell me what is this condition?