What Causes Mouth Pimples, Armpit Swelling And A Coated Tongue?

This is my 10th month after possible exposer .. As i mentioned I had protected sex using 2 condoms.

Am still having symptoms like .. small white dots like pimples inside my mouth,
still my right armpit is swelling like a bea.. nw a days I also found my toungh coated white . am getting so much panic nw ..

my queries are --a) small white pimples inside mouth is the symptoms of hiv ..
b) Am still having my rht armpit swellon.. if i am not infected why its swelling i mean , i didn't before exposer .
c) it can be other STD in which lymp node used to swell for long time .its almost 10 moths for me.
d) please help and do reply with explaination .. tat would be gr8 help .

Thanks