See a Dr, not STD related.
Ive get a white coating on the tongue and light head liness but and really itchy balls but apart from that nothing else and didn't have any symptoms after oral.
All HIV questions need to be posted in the HIV community, see the link above. As for STD's You could get gonorrhea, herpes and syphilis. If you have not had any symptoms up to now...don't worry about it, a STD would not last this long without symptoms.