i had sex before 7 months.im sure i had condoms at start of encounter but not sure whether it tore or not.I didn't recieve any symptoms for first 4 months .after then i got chronic nasal congestion which last for 4 months,,,,no other symptoms apart from that....is nasal congetion a symptom of HIV....pls answer this....i want to know clearly if nasal congestion which last for 4 months is symptom of hiv