What should I do if there are small bumps on my hands and the more I scratch them, the more itchy they get?

Small bumps on the hands the more you scratch the more itchy may be sweat herpes, contact dermatitis, scabies and other diseases caused by the need to take medication, other treatments, surgical treatment for the cause of the disease.
1. Sweat herpes: patients can follow the doctor’s instructions for external use of 1% glycerite lotion, as well as tretinoin urea, hydrocortisone and other glucocorticoid ointment. Can also choose ultraviolet irradiation for phototherapy. If necessary, oral cetirizine, loratadine and other antihistamines, or prednisone, dexamethasone and other glucocorticosteroid drugs.
2. Contact dermatitis: patients need to use local glucocorticoid creams under the guidance of a doctor, such as clobetasol propionate, mometasone furoate, etc., and if necessary, oral antihistamine medication to relieve itching, such as benadryl, levosulpiride, etc., and most patients can also be taken to phototherapy.
3. Scabies: patients can follow the doctor’s instructions for local use of 10% or 5% sulfur ointment, 3% salicylic acid ointment, 25% benzyl benzoate emulsion and other drugs. At the same time, oral ivermectin and other antiparasitic drugs, itching severe cases need to use chlorpheniramine maleate and other antihistamines. For severe cases, liquid nitrogen cryotherapy can be chosen, or surgery can be taken to remove the nodules.
It is recommended that patients with small bumps on their hands that itch more and more when they scratch them actively go to the hospital, clarify the cause of the disease, and follow the doctor’s instructions to standardize the treatment. Drugs should be used under the guidance of a doctor.