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What causes全身 itching after surgery?

Apr 26, 2023 Source: Cainiu Health
Dr. Liu Wan
Introduction
Generalized itching after surgery may be caused by physiological factors or allergic reactions. When the body has a stress response to foreign substances at the surgical wound site, it may trigger hives and cause the release of histamine and other chemicals, leading to skin itching. It is recommended to follow medical advice and use medications such as olopatadine hydrochloride tablets, ebastine tablets, or acrivastine capsules to control symptoms. Additionally, systemic itching can also result from inflammatory infections.

Generalized itching after surgery may be caused by physiological reasons or pathological conditions such as allergies or urticaria, and timely medical consultation and treatment according to medical advice are necessary. Specific causes are as follows:

I. Physiological Causes

During the healing process of surgical wounds, new neurons and blood vessels form. The newly formed nerve endings may stimulate surrounding skin nerves, causing an itchy sensation. This is a normal physiological phenomenon and usually does not require special treatment.

II. Pathological Causes

1. Allergy

If there is an allergic reaction to anesthetic drugs or dressings used during surgery, allergic symptoms including skin itching may occur. Under a doctor's guidance, antiallergic medications such as loratadine tablets, cetirizine hydrochloride tablets, or desonide cream can be used for treatment.

2. Urticaria (Hives)

When the body produces a stress response to foreign substances at the wound site, urticaria may develop, triggering the release of chemicals such as histamine, leading to skin itching and other symptoms. It is recommended to follow medical advice and use antihistamines such as olopatadine hydrochloride tablets, ebastine tablets, or acrivastine capsules to control the condition.

In addition, if there is an inflammatory infection, it may also irritate the wound and cause generalized itching after surgery; prompt medical evaluation and diagnosis are advised.


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