What Causes Soreness On The Head Of The Penis?

earlier,i had some rashes that made me took some antibiotics like augmentin and ampiclox which later dissappeared during the intake of the antibiotics,then reappeared when i stopped taking antibiotics,later i had pneumonia accompanied with sneezing,gelatinous discharge from my nose...a bit yellowish,a mild sore on the head of my penis,chancres on my palm and around my left feet,mild rashes on my face...not itchy,no diarrhoea,no cough.please can i get answers to what could be the problem doctor.thanks