Depending on the color of your skin, a penis can have veins that look like spider veins. Go see a doctor if you are concerned. For the other problems, stress, meds or lack of exercise can cause this. If you can, start working out and you will see an improvement.
go to a doctor and do not delay.
masturbating daily is a very normal thing.
swelling must be examined by a doctor
do not wait for anyone to answer here
must be checked and treated by a doctor
its not a big issue for you to get scared.
yes blood flows into penis and fills in to swell and if blood vessel damaged
then erection is affected. Usually within a night or two if penis is over rubbed
and damaged it will be quickly repaired automatically with high priority by our
body system, in your case if its not so then need application of some medicine
which a doctor can say. There is no shame or fame to fear to go to a doctor
its very normal that even that doctor must be masturbating daily with out telling his wife
and he may also have hurt and wounded once in his live his own penis. so boldly and tell
a male doctor. don't go to a female doctor ha ha ha ha