Was it a duo test? Your first sentence is hard to figure out since it is really half a dozen ideas.
Symptoms aren't used to diagnose hiv, so only a test is useful.
i was only tested for 1 time
HIV can not be diagnosed from symptoms, Testing is the only useful method, Antibiotics can cause oral thrush, I won’t worry about that but a test after the window period is appropriate since you had unprotected sex.
Your best option is to get a IV Generation HIV test after 28 days from the date of your last exposure.
I agree with other members, symptoms don't mean any thing, only a test can tell.