In that case, you should not worry.
The chances of a person receiving oral sex of getting HIV is very very low, to the point of being considered non-existent. Saliva is a non-infectious fluid, and so the person's mouth who is giving oral sex will not contain the virus even if he is HIV positive. So there is practically no chance of you contracting the virus.
Your symptoms hence are entirely suggestive of an allergy or a viral infection.
You can look up here;
http://www.goaskalice.columbia.edu/0444.htmlhttp://www.sfaf.org/aids101/transmission.htmlI hope this answer was helpful. If you need more information, feel free to ask. For accepting this answer, please click on the green 'accept' button below. Feedback/Bonus will be warmly appreciated.