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I have gone through your problem and understand your concern.
As all the test for HIV (human immunodeficiency virus) are negative at the initial level and after 90 days, it means you are not infected with this virus. So do not panic.
Pain at multiple sites can be due to other medical conditions that are psychological in origin because of excessive worry and anxiety.
For white spots on the upper lips, get a consultation with a dermatologist to find the cause of it.
Probably you are having too much anxiety as to suffering from a serious infection.
In such situations, SSRI (selective serotonin reuptake inhibitors) and psychotherapy are helpful.
For more information consult a sexologist online --> https://www.icliniq.com/ask-a-doctor-online/sexologist