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A 26-year-old male asked:

why do i get instant sexual arousal (penis erection within seconds)? even if a girl passes by my penis gets erected. is it normal? if not then causes?

1 doctor answer2 doctors weighed in
Dr. Clarene Cress
Specializes in Pediatrics
Pretty normal,: at least in the first decade or two after puberty. There will come a time when you wish you could get an erection but no longer can.

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Similar questions

A 39-year-old member asked:

Is it possible to get pregnant if his penis does not enter my vagina?

2 doctor answers8 doctors weighed in
Dr. Craig Keathley
Obstetrics and Gynecology 24 years experience
Yes: The only requirement to achieve pregnancy is for sperm to reach the ovulated egg. Genital contact can still lead to pregnancy even in the absence of penetration if ejaculation occurs near the vaginal opening.
A 46-year-old member asked:

Can my scrotum hanging from the penis near its head on the right side be repaired?

1 doctor answer2 doctors weighed in
Dr. James Fishman
Urology 34 years experience
Needs to be examined: This sounds like a congenital problem. Needs to be examined to determine if a previous circumsion has created scar tissus that needs removal. The urologist will be able to make a very quick determination if this is a surgical problem.
Valencia, CA
A 28-year-old male asked:

Rash on my inner thighs but will not go on my penis! itches really bad. When scratched, area becomes very dry!?

1 doctor answer1 doctor weighed in
Dr. Ish Rawal
Internal Medicine 19 years experience
Jock itch: Sounds more like a tinea infection. U should keep the area clean and dry. Don't rub or scratch as it makes the rash worse. Heat n sweat r not good. Otc anti fungal powder/ cream can be tried.
A 54-year-old male asked:

I tried a 100mg viagra (sildenafil) and didn't get a very rigid erection can I take another 1 2 or whole pill to see if it helps?

1 doctor answer1 doctor weighed in
Dr. Gregory Seagraves
Pharmacology 17 years experience
Viagra (sildenafil): You shouldn't take another tablet for at least 24 hours. Next dose, try crushing or chewing the viagra (sildenafil) tablet. In some men, the tablet doesn't dissolve and is not absorbed well. Crushing or chewing the tablet before swallowing it may solve this problem. If not, you may want to get an appointment with a urologist.
A 30-year-old member asked:

What causes morning erections in men?

1 doctor answer6 doctors weighed in
Dr. Simon Kimm
Urology 16 years experience
The sleep cycle.: Erections occur as part of the sleep cycle. This is called nocturnal penile tumescence (npt) and occurs 3-5 times per night, with the last one noticed as a morning erection. The cause is not known, but there appears to be a neural and hormonal circuit which is disinhibited during sleep, specifically in the rem stage of sleep.

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Last updated Feb 8, 2019

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