Contact dermatitis is a type IV allergic reaction.
Contact dermatitis is an inflammatory reaction caused by skin contact with external substances, commonly caused by contact with irritating substances or toxic substances, common hair dyes, ointments, etc., can appear erythema, edema, or pinpoint-sized dense pimples, and some can appear itching, burning, swelling and pain, etc., in the clinic belongs to the type IV allergic reaction.
Contact dermatitis patients should be taken under the guidance of a doctor to take treatment, and to follow the doctor’s instructions in full, full course of medication, such as antihistamines loratadine, ebastine and so on. Daily attention should be paid to avoid local scratching, friction or the use of stimulating substances, avoid excessive bathing, etc., pay attention to keep local hygiene clean and dry, try to wear cotton clothing.
It is recommended that patients with contact dermatitis consult a doctor in a timely manner and follow the doctor’s instructions for treatment.