No.
In males: Assist emptying of urethra and assists in erection of penis. In females: Constricts vagina and assists in erection of clitoris
It is possible; it depends on the drug. Don't confuse infertile with impotent. Impotence is when a man cannot achieve and maintain an erection. A man can be impotent and fertile. Impotence is a side effect of some drugs.
YES. The use of these drugs will help engorge the penis with blood, causing an erection. The down side is that without proper test. levels you will have low to no desire, and the erection will not last very long.
Yes, Methadone can effect the sex in males making it difficult to achieve and erection.
A boner is a slang term referring to an erection of the penis, typically indicating sexual arousal or excitement in males.
No, in fact the opposite. Impotent males cannot get or hold an erection. If you are masturbating everyday then you are not impotent.
try to hide it , or think of something horrible
Perfectly normal for males of that age
A lot of the time, men will get "random" erections. It's normal, and it happens to all males.
Although side effects due to the H2 receptor blockers are relatively rare and usually mild, a large number of adverse effects have been reported, in part because of the high use of these drugs.
Keeping in mind that there are both heterosexual AND homosexual (and also pan-, bi-sexuals), there are many factors which contribute to having an erection. For hetero- males, specific female body parts give a rise in blood pressure in their penis, causing an erection. For homo- males, specific male body parts give an erection. It depends on what part of the human body stimulates you most.
a "reduction" of blood flow may prevent him getting an erection