After oral sex, I developed rash and lymph node swelling. Could this be ARS?

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I saw the attached pictures (attachment removed to protect patient identity). Oral sex has the least possibility of ARS (acute retroviral syndrome). I do not think you have ARS. Do you have dandruff or an earache or a toothache? Do you have a history of a cold or a cough? If the rashes appeared after six weeks of oral sex, then get CMIA fourth generation test done. It can be HSV (herpes simplex virus) or any other sexually transmitted disease. I suggest you consult a skin specialist or a venereologist. The other possibilities are more rather than HIV infection. At present, for the rash, I suggest you try the following: Tablet Atarax (Hydroxyzine) 25 mg, one at night for 10 days. Ointment Betnesol-N (Neomycin and Betamethasone), locally two or three times a day. Fluconazole powder, to sprinkle over ointment. For the enlarged lymph node, I suggest you try taking the following: Tablet Amoxiclav (Amoxycillin and Clavulanic acid) 625 mg, two times a day after lunch and dinner for five to seven days. Tablet Signoflam (Aceclofenac, Paracetamol, and Serratiopeptidase), two times a day after lunch and dinner for three to five days. If with treatment, the lymph node swelling goes down, then it is not HIV infection.