A lot of red pimples suddenly appeared on my face

A lot of red pimples suddenly appear on the face, which may be caused by allergies or caused by contact with some allergens. It is often accompanied by itching, which is more common in eczema, urticaria or contact dermatitis. This condition should be treated promptly by oral antihistamines such as loratadine, cetirizine or ebastine. External use of some glucocorticoid ointment, budesonide cream or furoic acid mometasone ointment, can also be applied calamine lotion. Diet should pay attention to light diet, do not eat spicy fried irritating food, ensure adequate sleep, do not stay up late.