What to do if you have itchy bumps on the inside of your upper arm?

Small itchy bumps on the inner side of the upper arm may be related to eczema, insect bite dermatitis, folliculitis and so on. It is recommended to clarify the diagnosis and give glucocorticoid, antihistamine and antibiotic drugs.
1. Eczema: It is related to many internal and external factors, such as physical stimulation, infection, mental, allergy, etc., which can lead to the appearance of erythema, papules and scales on the skin, accompanied by significant itching. Glucocorticosteroid drugs such as dieldrin cream and halomethasone cream can be used externally under doctor’s guidance, and antihistamine drugs such as loratadine and cetirizine can be used when itching is significant, which can help to relieve the itching.
2. Insect bite dermatitis: insect bite dermatitis, also known as papular urticaria, is related to mosquito bites. The bites can appear in clusters or scattered red, clammy rashes. It can be treated with mometasone furoate cream, dinette cream, and oral loratadine, levocetirizine hydrochloride and other drugs if necessary.
3. Folliculitis: related to bacterial infection, can lead to local itching or painful red papules, pustules. It can be treated with antibiotic drugs such as topical erythromycin ointment and mupirocin ointment.
The inner side of the arm appeared small bumps with itching, it is recommended to pay attention to the care of the affected area, and timely to the hospital dermatology, clear diagnosis and follow the doctor’s prescription medication.