Polymorphic erythema is an inflammation of the skin characterized by the presence of red spots and blisters that spread throughout the body, being more common to appear in hands, arms, feet and legs. The size of the lesions is varied, reaching several centimeters, and usually disappear after about 4 weeks.
Diagnosis of polymorphic erythema is made by the dermatologist based on the assessment of lesions, in addition, additional tests may be indicated to check if the cause of the rash is infectious and the dosing of the C-reactive protein, for example, may be requested.
- The main symptom of polymorphic erythema is the appearance of red lesions or blisters on the skin that spread symmetrically throughout the body.
- Most often appearing in the arms.
- Legs.
- Hands or feet; other indicative symptoms of polymorphic erythema include:.
It is also common for mouth sores to appear, especially when a polymorphic rash occurs due to a herpes virus infection.
Diagnosis of polymorphic erythema is made by the dermatologist observing the symptoms described by the person and esyping the skin lesions, it may also be necessary to perform additional laboratory tests to check if the cause of the rash is infectious, being necessary in these cases the use of antivirals or antibiotics, for example.Find out how the dermatological exam is going.
Polymorphic erythema is a sign of an immune system reaction and can occur due to allergies to medications or foods, bacterial or viral infections, with the herpes virus being the virus most often associated with this inflammation and causing mouth sores.mouth and how to avoid it.
Treatment of polymorphic erythema is done with the aim of eliminating the cause and relieving symptoms, for example, if the exanthemum is caused by a reaction to a certain drug or food, it is recommended to stop and replenish the drug, according to your doctor.not to eat the foods that cause the allergic reaction.
If the rash is due to a bacterial infection, antibiotics are recommended based on the bacteria responsible for inflammation, and if it is caused by the herpes virus, for example, the use of antivirals, such as oral aciclovir, which should be taken according to medical advice.
To relieve discomfort caused by sores and blisters on your skin, you can use cold water compresses on site.Learn more about the treatment of erythema multiforme.