Non painful blisters penis?

Go see a doctor. Go see a doctor and get a proper examination and diagnosis and proper treatment. You don't want to rely on an anonymous author for final advice about this. Get a exam. This might be nothing it might be an std. Go get seen.
BLISTERS ON PENIS. How long have you been developing these blisters? Are you sure they are blisters? Masturbation can cause them from vigorous rubbing. Also can occur during prolonged sexual intercourse. People sometimes confuse "blisters" with small papules (growths) that could be any number of harmless conditions. See a dermatologist who will allay any fears you may have.

Related Questions

Ok so I have 1 dime sized watery non painful blister on my penis then I have clusters of clear small pimples that are on the my shaft is that herpes?

Possibly. Herpes usually hurt/itch and look like a small bubble. Other possible infections include: genital warts, molluscum contagiosum, hiv(viral), balanitis(yeast), tinea cruxis(fungal), syphilis(bacterial). The bumps could be an allergic reaction or a normal finding, pearly penile papules. Get examined and be tested for stds asap. Urine, blood, saliva, skin scraping samples are used, not penile swabs. Read more...