Overview
A skin rash with red itchy bumps as a result of allergic reactions of the body.
Symptoms
Symptoms include itchy rashes and raised bumps on the skin.
| What are people curious about? | |
|---|---|
| Allergic reaction hives | Hives on skin |
| Relief from hives | How long hives last |
Causes
It is an allergic reaction and the exact cause for allergies are not known.
Diagnosis
The diagnosis is done based on history and physical exam.
Highlights
- Treatable by a medical professional
- Diagnosed by medical professional
- Requires lab test or imaging
- Can last several months or years
- Family history may increase likelihood
Medications
Antihistamines: Reduce symptoms.
Loratadine . Fexofenadine . Cetirizine . Desloratadine
Corticosteroids: Reduce swelling and itching.
Histamine (H-2) blockers: Used if antihistamines are not effective.
Cimetidine . Ranitidine . Famotidine
Monoclonal antibodies: Effective against certain cases of hives that are difficult to cure.
Leukotriene receptor antagonists: Drugs that prevent release of histamines from mast cells.
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