so i went in for a physical... and i gave piss test.. after that i told my doc about my burning sensation and without even knowing the results from my piss test he right away prescribed that i take doxycycline hyclatt (zenith) for 10 days. two pills a day.. so i took the pills.. about a week after (today) it came back.. it now hurts more.. and there is some white stuff around my penis head.. i dunno.. but i am freaking out here... help