Redness, swelling and itching of the skin all over the body are considered to be related to drug dermatitis, urticaria, or may be caused by other diseases. It is recommended that antihistamines be given symptomatically, or for the treatment of primary diseases.
1. Drug dermatitis: intravenous drip, oral drugs, intramuscular injection of drugs can cause drug dermatitis, resulting in redness and itching all over the body. It is recommended to look for and stop the use of suspicious drugs, and give loratadine, prednisone, etc. if necessary, which can help relieve itching.
2. Urticaria: Animal proteins, certain food additives, infections, and medications may cause skin tingling, redness, and itching. Loratadine, fexofenadine, cetirizine can be given symptomatically, which can reduce the release of skin obstruction and can relieve itching.
In addition, liver disease, diabetes, etc. may also lead to itching and redness of the skin, and then you need to go to the specialist to actively control the original disease.
Most patients with generalized skin redness, swelling and itching are caused by allergic diseases, and it is recommended to consult the dermatology department of the hospital and use appropriate medication under the guidance of the doctor. At the same time, it is also necessary to understand whether it is related to other underlying diseases, and it is recommended that the target be adjusted.