Kindly practice safe sex, India is the second largest country with sexually transmitted infections due to unprotected sex. Be in a monogamous relationship or try to abstain. You can always self stimulate safely. Now you have to get a series of test done tonrule out any std as the symptoms are shown immediately Thur have an incubation period. If any blisters bikes ulcers burning etc appear on the penis u may consider it as a symptom though there are different symptoms for different stds as there r three types of stds bacterial, viral and parasitic one. Viral std has no cure as we know. So please make it a point to practice safe sex.

Got ur pain n concern though it's unfortunate but common to have risk in such scenario. So be always at Authentic n safe in relationship

U may suffer from sexuality transmitted disease.  If there is pain, burning, discharge  or  ulcer, consult a dermatologist.