What is the most common cause of erythema?

Erythema multiforme (EM) is the most common type of erythema. Viral and bacterial infections cause it. Two of the most common causes are Herpes simplex virus (HSV) type 1 and 2 and Mycoplasma pneumoniae infections. More rarely, it can be a reaction to a drug or vaccine, according to The National Library of Medicine.

What causes erythema nodosum Leprosum?

Erythema Nodosum Leprosum (ENL) occurs due to the immunological complication of multibacillary leprosy and is characterized by painful nodules and systemic compromising. It is usually recurrent and/or chronic and has both physical and economic impact on the patient, being a very important cause of disability.

What diseases cause erythema?

Conditions that are linked with erythema nodosum include medications (sulfa-related drugs, birth control pills, estrogens), strep throat, Cat scratch disease, fungal diseases, infectious mononucleosis, sarcoidosis, Behcet’s disease, inflammatory bowel diseases (Crohn’s disease and ulcerative colitis), and normal …

What drugs can cause erythema nodosum?

Sulfonamides and halide agents are an important cause of erythema nodosum. Drugs more recently described to cause erythema nodosum include gold and sulfonylureas. Oral contraceptive pills are implicated in an increasing number of reports.

Can anemia cause erythema nodosum?

Abstract. Erythema nodosum (EN) often presents as a sudden onset of tender, erythematous, subcutaneous nodules on the legs and ankles. Although rare, pernicious anemia may be related to vitamin B12 deficiency.

What virus causes erythema multiforme?

What causes erythema multiforme? Most often, this skin problem is caused by the herpes simplex virus. Other causes are: Fungal and bacterial infections, such as mycoplasma pneumoniae.

How is erythema caused?

Causes of erythema multiforme The cause of erythema multiforme is often unclear, but some cases are the result of a reaction to an infection or medicine. The condition cannot be passed from person to person.

Does the Covid vaccine cause erythema nodosum?

Vaccine-related erythema nodosum is an uncommon condition, especially with COVID-19 vaccines. The current study reported the first case of erythema nodosum related to the Pfizer vaccine.