Long bumps on the arm are particularly itchy, which may be caused by contact dermatitis, insect bite dermatitis, folliculitis and other diseases. It is recommended to detach from the allergens, give antihistamines, glucocorticoids, anti-infection and other medications.
1. Contact dermatitis: contact dermatitis refers to the acute and chronic inflammatory reaction of the mucous membranes of the skin or the site of contact after the skin comes into contact with exogenous substances. It is recommended to stop the contact of suspicious objects and give loratadine and cetirizine, which can relieve local exudation. Glucocorticoid drugs, such as prednisone have anti-inflammatory and anti-allergic effects and can be used in severe cases, which can help relieve symptoms.
2. Insect bite dermatitis: Insect bite dermatitis is a common clinical allergic disease that occurs in childhood, and may also occur in other age groups.
Halometasone cream, Trimethoprim Econazole cream, Denadyl cream, etc. can be given to have anti-inflammatory, antipruritic and anti-allergic effects. If necessary, with oral loratadine, ebastine, etc., can relieve itching.
3. Folliculitis: Folliculitis is caused by bacterial infection, individual patients may feel itchy. It is recommended not to scratch the stimulus to avoid aggravation of the condition. You can take oral cefotinib, cefradine and other drugs to help control the infection.
There are many reasons for arm bumps and itching, and it is recommended to pay attention to the care of the affected area. If necessary, go to the hospital dermatology department, under the guidance of the doctor to give the appropriate drugs, standardized treatment.