A penis rash can be identified when there are spots of irritated or swollen skin on the penis. The rash may also be present in the groin area or other parts of the genitals. In some cases, a penile rash can be accompanied by other symptoms, including:
The presence of a penile rash may cause discomfort during daily activities and can be painful and awkward during sexual relations.
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There are several reasons that a rash may form on the penis. A penile rash can form due to something simple such as irritation or an allergic reaction, or due to an infection caused by a fungus or an STD.
Sexually transmitted diseases that may cause a penile rash:
Scabies are mites that can be passed from close contact with an infected individual, including sexual contact. The mite bites leave red itchy spots that resemble a rash on many parts of the body, including the groin and genitals. Pubic lice, also known as crabs, can leave red dotted spots that look like a rash. It is caused by the lice bites, and sometimes the lice themselves can be seen in the groin.
The secondary stage of syphilis includes a non-itchy rash that can occur on the palms of the hands and soles of the feet. It can also cause gray to white rash-like patches in the groin, inner thighs, and armpits. Like the chancre of the primary stage of syphilis, the second stage’s rash will go away on it’s own, but the bacteria is still in the body and will progress to the more serious (and potentially deadly) later stages.
Just because a rash is present does not mean that you have an STD, but since some STDs do not display any symptoms at all, it is important to get tested to know your status.
The presence of a rash on the penis does not necessarily mean that the cause is an STD. However, since some STDs do not display any symptoms at all, testing can provide peace of mind. Testing for STDs is easy and confidential.
STDcheck.com offers an STD panel that tests for ten common bacterial and viral sexually transmitted diseases. This STD panel requires both a blood draw from the arm and a urine sample. To complete this test, place your order on our website and go to a local lab of your choice. Present the lab with your lab requisition form, and get a blood sample taken. The results will arrive confidentially to your STDCheck.com account in one to two business days.
Depending on the cause of the penile rash, treatment may include antibiotics or antiviral medications. It is important to follow the treatment instructions given to you by your doctor. It is also recommended that you abstain from sex during the treatment period. All of your sexual partners should also be treated, even if they don’t have any symptoms. It is recommended to not have sex until everyone has been treated. If all sexual partners are not treated, the infection can be passed back and forth.
Medically Reviewed by J. Frank Martin JR., MD on February 15, 2020Written by Lauren Crain on January 30, 2020