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Doctor insights on: Tests For Erythema Nodosum

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I have most of the symptoms of sarcoidosis such as fatigue, erythema nodosum, shortness of breath, but the test I took for sarcoidosis came back negative. Why the erythema and other symptoms?

I have most of the symptoms of sarcoidosis such as fatigue, erythema nodosum, shortness of breath, but the test I took  for sarcoidosis came back negative.   Why the erythema and other symptoms?

Many causes!: Erythema nodosum may occur as an isolated condition or in association with other conditions.Conditions that are associated with erythema nodosum include medications (sulfa-related drugs, birth control pills, and estrogens), strep throat cat scratch disease, fungal diseases, infectious mononucleosis, sarcoidosis, behcet's disease, inflammatory bowel diseases (crohn's disease and ulcerative colitis). ...Read more

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Red Skin (Definition)

Red skin is a symptom in which part or all of a person's skin is redder than normal. Redness is usually caused by increased blood (red colored) in the reddened area. Increased blood flow can be due to allergies, inflammation, infection, hormonal changes, nerve problems, ...Read more


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Is it normal to not have symptoms of erythema nodosum but still have it?

ERYTHEMA NODOSUM: SYMPTOMS OF THIS DISORDER ARE PAIN AND TENDERNESS. WHO MADE THE DIAGNOSIS? WAS A BIOPSY TAKEN? IF YOU HAVENT SEEN A DERMATOLOGIST YET, PLEASE SEE ONE! ...Read more

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Can erythema nodosum be mistaken for folliculitis?

Can erythema nodosum be mistaken for folliculitis?

Not really: Erythema nodosum is a reddened, tender nodule 1-5 inches with no pus, fluctuance or drainage. Folliculitis is an infected hair follicle that may progress to a small pusutle or an abscess. ...Read more

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Can you tell me anything about erythema nodosum or panniculitis?

Big range: Both of these are skin conditions and the severity can range from "not too bad" to "need a big operation". The treating physician is the best person to answer specific concerns because of the many variables that come into play. ...Read more

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Erythema nodosum occurs as a symptom of infections such as histoplasmosis?

Erythema nodosum occurs as a symptom of infections such as histoplasmosis?

Association: Erythema nodosum (en) is an inflammatory disorder that involves tender nodules under the skin. It is associated with many systemic conditions including infections with streptococcus, chllamydia, coccidiodomycosis, hepatitis b, tuberculosis, and histoplasmosis. Also, sensitivity to certain medications are linked to en, including antibiotics and birth control pills. ...Read more

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I have erythema nodosum on both right and left legs. I don't know what it is from. I have two cats. Could they have caused it?

Erythema Nodosum: In about half of cases, the exact cause of erythema nodosum is unknown. Some cases may occur with: infections. Some of the more common ones are: streptococcus (most common) cat scratch disease chlamydia coccidioidomycosis hepatitis b histoplasmosis leptospirosis mononucleosis (ebv) mycobacteria mycoplasma psittacosis syphilis tuberculosis tularemia yersinia pregnancy. ...Read more

Dr. Daniel Saurborn
204 doctors shared insights

Skin Redness (Definition)

Skin redness is a common symptom of inflammation or ...Read more


Dr. Bernard Seif
30 doctors shared insights

Erythema Nodosum (Definition)

Erythematous nodules, ...Read more