What causes bumps on the shaft?
Patient: I have a couple of 1mm sized bumps spread apart by atleast a cm to 2 cm's apart on my shaft. It started with one or two after s handjob and sex then I master aged a day later and it seemed to have spread. It doesn't itch burn or secret anything. The occasional one has a white dot usually with a hair. Some not. Been two weeks now. I think are slowly going away. Doctor: Hello,  Since it is related to post-sex.   1. Herpes -  Genital warts (HPV) can be diagnosed by the presence of very painful blisters, sallow ulcers or red base.   There are treatment options for genital herpes, but there is no cure. As to the treatment, it is based on relieving basic symptoms, early healing as well as the decrease of symptoms duration.  2. If it’s not painful-  Syphilis, diagnosed by  Blisters appear as the first symptoms of primary syphilis. They usually disappear on their own with time, but remains in the body. first blisters on penis appear, important to seek medical help.  3. molluscum contagiosum  - small, painless bumps. Need to do HIV, VDRL, urine complete.  Hope I have answered your query. Let me know if I can assist you further.  Take care  Regards, Dr S.R.Raveendran, Sexologist