when it will effect and its duration

Treatment of skin allergy
at the first you should avoid the allergens , and drink alot of water and avoid sun rays as possible , and if there is itching and wide space of skin rash in this case you need to use dexamethasone injection and also you need to use topical hydrocortisone 1% and also you can use antihistamine medications to ease symptoms
Diagnosis
By taking full medical history and clinical examination , and do skin allergy test and CBC to detect inflammation
Causes

• Exposure to allergens
• Dermatological disease
• Side effects of drugs
• Systemic illness
• Local infection

Advice
you should go to the dermatologist to get proper managment
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