Blister on Penile Shaft, Symptoms, Causes, Pictures, How to Treat

For men, it is embarrassing to see the appearance of blisters on penis. This condition can be both sexually and non- sexually transmitted disease. The blisters on penile shaft could be syphilis blisters or frictions. What are the common symptoms? The symptoms can allow you to understand the causes and treatment process for this condition.

Blisters or sores on penis or balls could mean a number of things. It could be a skin condition such as eczema or Sexually transmitted disease such as syphilis or herpes. The following are some of the causes:

  • Infections
  • Syphilis
  • Eczema
  • Yeast infection
  • Rough sex or masturbation
  • Cancer
  • Folliculitis
  • Bullous impetigo
  • Scabies
  • Medications


How can you tell the signs of blister on penis other than the blister itself? The occurrence of blisters is always a symptom of an underlying condition. The signs may differ depending on the disease causing the lesions. The symptoms may include:

  • Red blisters that may burst
  • Tiny lesions
  • Itchy bumps
  • Genital muscles pain

Possible causes:

Penis blisters or soreness could mean a number of things. It could be syphilis, friction, infections, skin conditions such as eczema among others. Below is a discussion on the causes.

1. Genital Herpes

The blisters or lesions on your penis could be herpes. This is a very common STD. it occurs in nearly 80% of men. In most case, the males are usually unaware of this infection. This type of herpes is provoked by Herpes Simplex Virus. It is acquired through direct skin contact with a person having it.

The initial stages of this infection is typically associated with painful blisters. The blisters open days after appearance and crust over ad healing start.

Herpes had no cure but there treatment options available. Basic treatment involve treating the symptoms to speed up healing.

2. Syphilis

Blisters on penis and foreskin are the initial symptoms of syphilis. Although the blisters disappear on their own, the infection remains in the body. If you leave the condition untreated, it can cause brain disorders as well as the heart and many other organs.

Organ failure and even death is the effect of advanced or untreated syphilis. As soon as you notice blisters appearing on your penis, it is important to seek immediate medical help.

3. Friction/ Rough sex or Masturbation

Friction arising from rough sexual intercourse or masturbation could be another reason for penis blister. The lack of lubricants during sex leads to blisters and soreness. During sex, use enough lubrications to prevent blisters from occurring.

Blisters occurring from friction will disappear on their own without treatment.

Pictures of friction blisters

Below are pictures, images of friction blisters on penis.

Friction Blister on Penis Pictures
Friction Blister on Penis Pictures
Blisters on Penis
Blisters on Penis

4.  Yeast infection

Although yeast infection is common in females, it can also affect the males. This kind of infection can cause blisters, redness and swelling when it affects the genitals. Such kind of blisters are usually white – colored and tend to be thick.

You can treat yeast infection at home with natural home remedies.

5. Folliculitis

Folliculitis occurs when the hair follicles are infected. This leads to the appearance of pus – filled blisters on penis. They are common on the penile shaft and base of the scrotum. Folliculitis is not contagious, it can clear on its own without treatment.

Genital hygiene is recommended for males who have a history of folliculitis.

6. Bullous Impetigo

This is skin condition that typically occur in newborns. It is caused by bacterial infection. It can also in adults affecting different parts of the body. In only rare cases is this condition seen in penile areas. This is due to the moisture and warmth around the genitals.

7. Penile cancer

Sores or blisters on penis are characteristic signs of skin cancer around the genitals. The sores in many cases don’t heal and ooze fluid or keep bleeding.

Penile cancer is rare cause than the above mentioned causes. But you shouldn’t rule it completely. It is possible and a serious concern. If you suspect the blisters are a symptom of cancer, please seek immediate medical attention.

8. Eczema on Penis

Blister on your penis could be eczema. Also known as penile dermatitis, eczema is a skin condition that cause painful, itchy and irritating bumps or blister on the skin. Eczema is hereditary. Some people may experience mild eczema that doesn’t bother them that much.

Eczema on penis can be treated with immunosuppressive drugs such as tacrolimus.

9. Medications

There are several kind of medications that cause blisters to appear on your penis. If you take drugs that cause lesions on penis, it is important to avoid the drugs.

10. Scabies

This is a parasite infection on the skin that leads to rash, small blisters and itching on your penis as well as other body parts. The infection on your penis and genitals is spread via sexual intercourse. Other ways possible include sharing clothing, bedding and your personal items.

Treatment include using prescription cream or oral medication found over – the- counter medications.

Blister on penile shaft not herpes

The blisters or rash on the penis may be caused by a number of factors mentioned above. Although genital herpes is among them, not all blisters on your penis could be as a result of herpes. You need to find the underlying cause of the blisters on penile shaft. The symptoms of genital herpes include:

  • Tiny blisters that burst and leave red, open sores around the genitals
  • Pain when you pass urine
  • Fever and flu – like symptoms
  • Muscles aches
  • Tingling, itching or burning sensation in the area where the blister will appear

Blister on penile shaft doesn’t necessarily mean it is herpes infection. Check out the symptoms of herpes as listed above. Other factors other than herpes could causes sores or blisters on penis. They are discussed in this post.

Non – STD lesion on penile shaft include conditions such as:

  • Folliculitis
  • Friction
  • Eczema
  • Scabies
  • Yeast infection

Blister on penile shaft pictures

Below are the pictures of blister on the penile shaft. They are meant to give you a visual aid on how blister appear look like.

Blister or sores on foreskin and balls

The foreskin is the sheath of skin on your penis that covers the head or glans.

Blisters or sores on foreskin and balls could be as a result of many conditions such as:

  • Inflammations
  • Infections such as bacterial infections
  • Yeast infection on the foreskin
  • Although rarely do allergies to medications and laxatives causes foreskin blisters
  • Genital warts
  • Syphilis

Other types of genital sores may be caused by skin conditions or rashes such as psoriasis, allergic reactions and non – sexually transmitted disease.

Seek the advice of a healthcare provider for diagnosis. It is important to determine the underlying cause for effective treatment.

You should contact a medical professional if you have unexplained genital sores or new ones appear in other parts of your body.

Blisters on foreskin pictures

Below are the pictures of blisters on foreskins.

Blisters on Foreskin Picture
Blisters on Foreskin Picture


There are quite a number of general measures to be taken in treating a blister on penis. Most of these measures are usually simple yet helpful to cures the symptoms of blisters. Treatment requires understanding the underlying cause. Here’s how to treat.

  1. Take Painkillers over – the – counter to help relieve pain
  2. Use anesthetic to ease pain and itching on areas with blisters on the genitals. Follow this procedure:

Apply ointments for 5 – 10 minutes you pass urine. If you’re sensitive to any gel or cream, please seek professional advice first.

  1. Warm compressing is helpful in case you painful pass urine. It helps to soothe the area affected with blisters.
  2. Cold compress. A cold compress can help get rid of blisters on the genitals. Here’s the procedure:
  • Wrap some ice in a towel
  • Place it over the blisters for 10 minutes
  • Repeat this 2 – 3 times daily for a couple of days
  • This helps to ease the symptoms
  1. Avoid using irritating soaps or detergents and bubble bath. They tend to irritate the smallest blister on penis. Instead, do this at home:
  • Try gentle cleaning
  • Use salt or plain water and cotton wool.
  • Dry the affected area gently with a towel or a hairdryer
  1. Use lubricants during sexual intercourse to prevent the trigger of blisters coming back
  2. You should drink plenty water to make the urine less strong. This is to make passing urine easier and less painful.

In brief, blisters on penis could signify a number of things as mentioned in the post.  While most male suffer in silence, the underlying cause should be taken seriously. It is not only embarrassing but brings discomfort.

The blisters could be a sign of a serious health condition that should be treated immediately. Go through the treatment process to get rid of penile blisters.

Our Sources and References

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