Flat or slightly raised red, pink, or brown spots
Rash that appears on the trunk, face, arms, or legs
Widespread rash rather than a single localized patch
Rash that is not itchy or only mildly itchy
Rash that appears with fever, sore throat, fatigue, or swollen lymph nodes
Rash that occurs soon after possible HIV exposure
Rash that lasts more than a few days without a clear cause
Rash that does not improve with typical over-the-counter treatments
Rash with mouth sores or genital sores
Rash with blisters, peeling, or severe skin pain
Rash with night sweats, weight loss, or persistent diarrhea
Rash that appears after starting a new medication
Rash that is accompanied by signs of infection or worsening illness