All that glitters are not gold. Likewise all that look like white coating of tongue not necessarily be due to HIV
. In HIV two types of manifestation can occur due to immune deficiency
1. Oral thrush: It always white deposits like cheesy material over tongue and can be wiped out.
2. Oral hairy leukoplakia: On the sides of tongue serrated lines of glistening white patch
, not able to wipe out.
Other whitish lesion of tongue can occur in other than HIV conditions also can occur.
You have not told anything about your sexual activities.
If you have suspicious sexual contact have a blood work and rule out the possibility.
Otherwise it is better to consult your physician and he/she will guide you properly for further management.
Get well soon.