Red spots on the arm with itching, may be caused by eczema, purpura and other diseases, can be given antihistamines, if necessary, with glucocorticoid drugs.
1. Eczema: most patients with skin eczema, is caused by allergic factors. For example, contact with substances, inhalation of substances, eating substances that easily induce allergies, may lead to the appearance of red spots on the skin, accompanied by obvious itching sensation. It is recommended to find and get rid of the allergens, and if necessary, take antihistamines such as Epinastine Hydrochloride capsules and Loratadine tablets or use hormonal drugs such as mometasone furoate ointment externally.
2. Purpura: Purpura is a kind of subcutaneous hemorrhage, which is caused by the exudation of red blood cells from the blood vessels to the skin, connective tissues and mucous membranes, and the coagulation function should be detected in time. You can take oral antihistamines such as ebastine or vitamin C, calcium gluconate, glycyrrhizic acid tablets and other drugs.
The causes of arm skin red spots with itching are more, it is recommended to consult a doctor in time, clear diagnosis, follow the doctor’s instructions standardized treatment, do not self-medication.