The typical symptoms of Crohn’s disease stem from the gastrointestinal (GI) tract, causing issues like belly pain, diarrhea, and bloody stools. Up to 40 percent of people with Crohn’s disease also have symptoms in other areas of their body, such as on their skin.

“Here are some of the most common skin conditions related to Crohn’s disease.”

Erythema nodosum causes painful bumps to erupt on the skin that look red or darker than the surrounding skin, according to the National Health Service. They usually appear on the shins, ankles, and sometimes the arms. It’s the most common skin manifestation of Crohn’s disease, affecting up to 15 percent of people with this condition.

red bumps from Crohns disease
Dr. Muzammil Irshad/Shutterstock

“The bumps are slowly turning purple. Some people have a joint pain. This skin symptom should be improved by following your treatment regimen for CHRONIC’s disease.”

Large open sores on your legs and sometimes other areas of your body are a sign of pyoderma gangrenosum. This skin condition is rare overall, but it affects up to 5 percent of people with Crohn’s disease and ulcerative colitis.

The Pyoderma gangrenosum starts with small bumps that look like insect bites. The bumps grow larger and form one big sore.

pyoderma on skin
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Treatment involves injecting medication into the sore. Keeping a wound covered with a dressing will help it heal.

Anal fissures are small tears in the skin lining the anus. According to experts, people with Crohn’s disease may develop these tears because of chronic inflammation in their intestines.

During bowel movements, fissures can cause pain and bleeding.

They heal on their own. Treatments include nitroglycerin cream, pain-relieving cream, andotulinumtoxinA to promote healing and ease discomfort. fissures that have not healed with other treatments can be operated on.

Some people with crosius disease are concerned about the same breakouts that many teenagers areExperiencing. The steroids used to treat the condition are what caused the skin eruptions.

“Doctors usually only prescribe steroids for short term management of Crohn’s flares. Your skin should clear up once you stop taking them.”

Skin tags are growths that form in areas where skin rubs against one another. They form in the anus where the skin is swollen.

When feces get stuck in skin tags, they can become irritated. It is possible to prevent irritation and pain by keeping the area clean.

Up to 50 percent of people with Crohn’s disease develop a fistula. This is a hollow connection between two parts of the body that shouldn’t be there.

The skin of the vagina or buttocks can be connected with the intestine through the fistula. A surgery can cause a fistula.

The fistula may look like a lump or boil. The stool or fluid may drain from the opening.

Antibiotics or other medications are used in treatment for a fistula. A severe fistula will need surgery.

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These painful sores form inside your mouth and can cause pain. Poor absorption of vitamins and minerals in the GI tract is the cause of canker sores.

You may notice canker sores when you have a flare. Managing your flares can help. If you have a canker sore, an over-the-counter medication like Orajel can help.

Small purpura on the legs may be due to leukocytoclastic vasculitis, which is inflammation of the small blood vessels in the legs, per 2022 research.

They can be red, purple, or black on lighter skin or darker on darker skin. This condition affects a small number of people with IBD.

The spots may be itchy. They should be healed within a few weeks. Doctors use drugs to suppress the immune system.

Epidermolysis bullosa acquisita is a disorder of the immune system that causes blisters. The hands, feet, knees, and elbows are the most common blisters. When blisters heal, they leave scars.

Doctors use drugs like dapsone and steroids to treat this condition. People with blisters need to be very careful when they play sports or do other physical activities in order to avoid injury.

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The skin disease causes red flaky patches. Psoriasis is an immune condition. Excess cells build up on the skin when the immune system overreacts and causes skin cells to multiply too quickly.

People with Crohn’s disease are more likely to develop psoriasis. Two biologic drugs — infliximab (Remicade) and adalimumab (Humira) — treat both conditions.

patches of skin lose their color. It happens when skin cells that produce the pigment die.

In rare cases, vitiligo can occur with Crohn’s disease, according to 2017 research. If you have cosmetic concerns, makeup can cover up the affected patches. Medications are also available to even out skin tone.

Small, painful bumps on the arms, neck, head, or torso are a sign of Sweet’s syndrome. The bumps may appear red on lighter skin and black or brown on darker skin tones. They may also be more difficult to see on darker skin, per 2017 research.

This skin condition is rare overall, but it can affect people with Crohn’s disease. Other symptoms may include a headache, body pain, and a general feeling of being unwell, according to 2019 research. Corticosteroid pills are the main treatment.

Are Crohn’s and eczema related?

“There is research suggesting a link between IBDs such as Crohn’s and eczema.”

A 2020 review that looked at data for nearly 100 million people found that a significant number of those with an IBD also had eczema. However, a 2021 study suggested that people with eczema might be more likely to have ulcerative colitis but not Crohn’s.

There is more research that is needed.

How do you get rid of Crohn’s rash?

Treatment can improve the symptoms of a Crohn’s rash, but it cannot cure it. Options will depend on the type of skin concern you have. According to the Crohn’s & Colitis Foundation, treatment may include corticosteroids, antibiotics, light therapy, or methotrexate and other medications for treating the underlying disease.

Does Crohn’s have a cobblestone appearance?

The intestines of a person with Crohn’s may have a cobblestone appearance, due to ulcers forming in the gut, per 2016 research. A doctor will be able to see this during an endoscopy, but it will not be visible to the individual with Crohn’s.

If you have new skin symptoms, please report them to the doctor who will treat your disease. If you want to be treated directly, your doctor can refer you to a dermatologist.