Note:Men rely on their penises to function sexually. Often a man becomes concerned if a small spot or bump appears on his penis.
Causes include:Excess pressure, tension or overuse, skin disease, sexually transmitted disease, systemic disease, injury.
Not harmful:These are not harmful. They are worrisome if you do not know what they are.
Sometimes, small red dots called petechiae and building can occur on the penis but these are not harmful.Care of People with Diabetes
And:If the penis is used without caution this is likely to occur. The best way to prevent these is to be gentler with the penis.
Anticoagulants:If a man is taking anticoagulant medications, such as for a blood disorder, the penis is more likely to get red spots.
Examples:Some examples of anticoagulant medications include Warfarin (Coumadin) and Sintrom (Acenocoumarol).
[Petechiae] are more likely to occur if the individual is on anticoagulant medicines.Care of People with Diabetes
Freckles:These spots are often confused with freckles. They are actually called lentigines.
Note:Lentigines often appear on the penis—they can also appear on the buttocks. We reference the Manual of Dermatologic Therapeutics.
Mucosal lentigines may occur on the lips, vulva and penis. Labial melanotic macules most often appear on the lower lip of young women.Manual of Dermatologic Therapeutics
Sun-exposed:These spots occur in sun-exposed areas, and they are most common in older people.
However:Lentigines can also be found on younger people and in areas not exposed to the sun, such as the penis, vagina and buttocks.
Fair skin:Dark spots (lentigines) tend to occur more often on fair-skinned people, but they can occur on anyone.
Note:The Manual of Dematologic Therapeutics states some possible problems. Many of these are serious.
Disorders:These are the Peutz-Jeghers syndrome, the LEOPARD syndrome, and the LAMB syndrome. These are not described here.
Info:Vitiligo often occurs on the penis and scrotum. In fact the male genitalia are often the first place where vitiligo occurs.Vitiligo and Scrotum
Tip:The average age of onset for vitiligo on the penis—and other areas—was 29 years old.
But:People developed vitiligo at any age. More men than women get mucosal vitiligo, which involves the genitalia and mouth (page 59).Vitiligo: Book
Syphilis:One STD that is known to cause red spots on the penis is syphilis. This is a serious disease.
The purple necrotic nodule is a rare form of lesion, appearing upon the glans penis or coronary sulcus, as a rule, and begins as a small, dark red spot, becomes roundly convex and is prone to undergo necrotic degeneration.Western Medical Review, Volume 25, Issue 4
Cases:There are 36,000 cases of syphilis each year in the United States according to the CDC.
In the United States, health officials reported over 36,000 cases of syphilis in 2006, including 9,756 cases of primary and secondary (P&S) syphilis.Syphilis: CDC Fact Sheet
Next:I used the book American Medical Association Complete Guide to Men's Health to research this disease (Page 178).
Symptoms of penile cancer include a red spot, crust, wartlike growth, or sore on the penis; discharge from the penis; pain; a lump in the groin; or bleeding during an erection or intercourse.Complete Guide to Men's Health
Pain, tip:This form of cancer also causes pain in the penis. More scientific penis research is available (scientists love this stuff).Pain at Tip of the Penis
Burns:Some possibilities include burns, blisters, broken blood vessels and rashes.
Also:Blisters are possible. Sexual intercourse or masturbation that is vigorous and dry could cause this.
Red spots:This can cause red spots on the penis. These are broken blood vessels.
Temporary:This effect is also temporary. Broken blood vessels are considered an injury to the penis.
Tip:Keeping the penile skin clean and free of irritation was helpful to solving the problem.
And:I used a gentler soap and made sure to keep the area clean and free. This was much cheaper than visiting a doctor.