Itchy red dots all over the body may be allergic dermatitis, scarlet fever, psoriasis and other reasons, need to be for the cause of the use of oral medication or topical medication and other treatments.
1. Allergic dermatitis: pollen, seafood, animal hair, dander, chemicals, metal substances and other direct contact with the skin or through the respiratory tract, the digestive tract, etc. into the body after inducing an allergic reaction, resulting in a wide range of skin rashes, itching, and even congestion, edema and other symptoms. Antihistamine drugs such as cetirizine are needed for treatment, and glucocorticoid drugs such as dexamethasone are necessary.
2. Scarlet fever: acute respiratory infectious disease induced by group A β-hemolytic streptococcus infection, manifested by generalized high fever, oropharyngeal pain, red rash with itching on the second day after fever. Penicillin, azithromycin, clindamycin and other antibacterial drugs can be taken orally.
3. Psoriasis: the cause of the disease is not known, may be related to genetic and environmental factors together lead to immune disorders, common symptoms include skin rash, erythema, itchy skin, peeling and flaking. It can be treated with topical dexamethasone ointment, fluticasone ointment, Vitamin A acid, tacrolimus ointment and so on.
Itchy red dots all over the body may also be caused by other reasons, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease in the doctor’s guidance of symptomatic treatment, do not self-medication.