Causes of Sore on the Penis and What to Do

A wound on the penis can arise due to a wound caused by friction with skin-tight clothing, during sexual intercourse or due to poor hygiene, for example. It can also be caused by allergy to clothes or hygiene products, by a dermatitis, but it is also possible that arises due to infections, such as syphilis or genital herpes, or even due to a cancer in the penis.

As some of the reasons are varied, if there is a sore on the penis, it is necessary to search for the general practitioner or urologist, who can evaluate the characteristics of the injury and request examinations. The treatment will depend on the cause, and can include ointments wound healing, antibiotic, antifungal, antiviral or chemotherapy, for example. In some cases of DST, the partner may also need treatment.

In addition to the wound, the man may also notice a lump or nodule in the penis, which can be by hormonal changes or because of genital warts, caused by HPV, for example. Also learn to differentiate between the causes of lump in the penis.

1. Irritation of the skin

Some people ask to have sensitivity to the fabric of the clothes, soap or hygiene products, for example, which can cause areas of redness, peeling, or ulceration on the skin, accompanied by itching and burning.

A skin irritation can be caused by friction with certain clothing or during intimate relations. It can also be caused by bad hygiene in the region, which provokes the accumulation of sweat, sebum and micro-organisms on the skin, and may cause an inflammation known as balanitis.


  • What to do: it is necessary to identify and avoid contact with the substances causing irritation. In the case of an allergy, it is possible to use medicine anti-allergic in ointment or tablet form, such as hidroxizine, to relieve the symptoms or creams that help to facilitate healing, as Nebacetin or Bepantol, for example. The balanitis is treated with ointments corticosteroids, antifúngicas or antibiotic. When treated properly, the wound can heal in about a week.

2. Genital Herpes

Sexually transmitted infections are important causes of injury to the penis, and the genital herpes is one of the most common. This infection is caused by the virus herpes simplex, acquired by contact with another person with lesions that are active, and causes the appearance of redness and small bubbles, accompanied by pain and burning on site.

  • What to do: the genital herpes treatment is driven by the physician, and includes the use of antiviral drugs such as Aciclovir or Valaciclovir pills or ointments, which help to decrease the replication of the virus, in addition to ointments or gels local anesthetics, such as Lidocaine, to reduce the uncomfortable symptoms, such as pain and burning.

3. Syphilis

It is an infection caused by the bacterium Treponema pallidum, and causes the emergence of an ulcer painless about 3 weeks after infection by the relation without a condom. The lack of treatment can cause the disease to progress to stage more advanced, such as secondary syphilis or tertiary.

  • What to do: the treatment of syphilis should be done as soon as possible, and is done with the use of antibiotics, such as Penicillin.

4. Other infections

Other Stis are also associated with sores on the penis include lymphogranuloma venereum, donovanosis, or HPV, for example. Lesions of the penile also can arise internally, such as in urethritis, which causes pain and discharge yellowish, and may be caused by bacteria such as gonorrhea.

  • What to do: it is also recommended treatment with medications instructed by the physician, that include antibiotics or, in the case of HPV, cauterization of the lesions.

5. Auto-immune diseases

There are several diseases related to immunity, which can lead to sores on the skin and in the genital region, and some of the most common are behcet’s disease, pemphigus, lichen, disease Cröhn, disease, Reiter, erythema multiforme, or dermatitis herpetiformis, for example. These diseases are often accompanied by lesions in other sites of the body and systemic symptoms, such as fever, fatigue or weight loss.

  • What to do: the research and treatment of these diseases are made by a rheumatologist or dermatologist with medications that help regulate immunity, such as corticosteroids or immunosuppressive drugs, for example.

6. Cancer

Cancer of the penis is a rare type of tumor that can arise in the body or only in the overlying skin, causing the appearance of sores, lumps or changes in the color and texture of the skin. It is more frequent in the elderly with more than 60 years, but can also happen in young people, especially in men who do not make a good hygiene of the intimate area or smokers.

  • What to do: the treatment of cancer of the penis is indicated by the radiation oncologist and urologist, and includes performing surgery to remove as much of the affected tissue, in addition to chemotherapy or radiation therapy, depending on the severity and the degree of the injury.

Causes of Sore on the Penis and What to Do 1

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