are you having any redness or swelling? it could be balanitis. take a look at this article and see if it looks familiar. <link>
i'm 27yrs old male. my penis burns a lot while masturbating and after ejaculation. i am 27ys old. my penis started to burn a lot while masturbating and after ejaculation from last one month. usually i refrained from masturbating for one week due to pain but still it reoccurs when i masturbate. i'm uncircumcised. there's a burning sensation at the base of head of penis during masturbating and goes after after few minutes. i' masturbating from last 12yrs and this is the first time i'm facing this problem.