OH man go to this site.
http://www.medhelp.org/health_pages/HIV/HIV-ANXIETY/show/18?cid=68
http://www.medhelp.org/health_pages/HIV/Anxiety-Disorders/show/30?cid=68
If you keep on thinking about hiv , the symptoms can show to you automatically.
Difficulty concentrating
Dizziness or lightheadedness
Dry mouth
Easy fatigability
Exaggerated startle response
Feeling anxious or on edge
Flushes or chills
Frequent urination
Irritability
Muscle tension, aches, or soreness
Nausea, diarrhea, or other abdominal distress
Palpitations or accelerated heart rate
Restlessness
Shortness of breath or smothering sensations
Skin rashes
Sweating or cold, clammy hands
Trembling, twitching, or feeling shaky
Trouble falling or staying asleep
Trouble swallowing or "lump in the throat
When worried over HIV please consider this may be what you are dealing with.