Drinking blush

Introduction After drinking alcohol in medicine, blush is called "drinking red face". Drinking a certain kind of drink, especially after drinking, can cause flushing, even flushing of the whole body, sometimes accompanied by urticaria. The mechanism is still unclear, which may be a facial vascular allergic reaction.

Cause

Some people absorb the sun for 5 to 10 minutes, the face feels burning, and the face or body appears flushing, pulsating headache, difficulty breathing, nausea, vomiting, sweating, thirst, chest pain, hypotension and syncope, blurred vision. And symptoms such as mental disorder, this is called "acetaldehyde syndrome." This is a significant change in the oxidative metabolism of ethanol that causes a significant increase in blood acetaldehyde levels.

Exposure to industrial chemicals such as trichloroethylene, dimethylformamide, tetramethylthiuram or disulfide (tetraethyl thiuram disulfide, Antabas) and dithiol-like drugs (methampine Ethyl aldehyde syndrome can also be produced by azole, metronidazole and thiourea.

Facial skin flushing is caused by temporary vasodilatation under the skin. The concentration of ethanol in the blood increases rapidly after drinking, which can cause facial skin vasodilation, redness, and even skin flushing (you are in this case), sometimes accompanied by The mechanism of urticaria and itching is not fully understood. Some scholars believe that it is an allergic reaction to facial blood vessels.

an examination

Related inspection

Skin test

Facial skin vasodilation, redness, and even body flushing (you are in this situation), sometimes accompanied by urticaria and itching.

A small number of patients with alcoholic flushing absorb the sun for 5 to 10 minutes, the face feels hot, and the face or body skin appears flushed, pulsating headache, difficulty breathing, nausea, vomiting, sweating, thirst, chest pain, hypotension, Symptoms such as syncope, blurred vision and confusion are thought to be drunk. Medically known as "acetaldehyde syndrome", this is a significant increase in blood acetaldehyde levels caused by oxidative metabolism of ethanol.

Differential diagnosis

Differential diagnosis

1, emotional facial red: also known as autonomous vascular motility facial red. Patients are prone to redness or flushing with mood changes such as shyness, fear, embarrassment, nervousness, anger, affection, being praised or criticized, and under temperature changes. The occurrence of facial redness or flushing in familial autonomic dysfunction (Rilev-Day syndrome) may also occur on the basis of changes in autonomous vascular movement.

2, menopause facial red: a small number of women in the menopause or due to ovarian surgery, radiation therapy, serious diseases and other reasons caused bilateral ovarian dysfunction or loss, the emergence of mental and autonomic dysfunction in a period of time The main symptom group is called the menopausal syndrome. Patients may have paroxysmal flushing and a short episode lasting 5 to 15 minutes. The earliest symptoms are warmth on the face, neck and chest, which in turn turns into flushing, especially when emotional or after a meal. Sometimes accompanied by sweating, chills, irritability, depression and anxiety, severe cases can affect sleep. The skin often has itching or ants walking. Estrogen and androgen and other drugs are effective.

3. Facial redness caused by vasoactive substances released by certain tumors: visible in carcinoid syndrome, pheochromocytoma, pigmented urticaria caused by mast cell hyperplasia and Zollinger-E11ison syndrome caused by non--cell tumors Etc., its clinical manifestations have been described in the relevant chapters.

4, redness caused by exogenous vasodilatation chemicals: (1) histamine red face edible tuna, bonito, big blue croaker, squid and other squid poisoning, histamine flush or whole body flushing And other symptoms. This is caused by improper refrigerated, toxins that produce histamine-like properties. (2) Drug-induced flushing Inhalation of vasodilators such as amyl nitrite and niacin can produce significant skin flushing. (3) food caused by red food into a food containing a large amount of L-glutamic acid sodium can also cause skin flushing, may be accompanied by facial tightness or pressure, chest pain and headache and other symptoms. Treatment to avoid a large intake of sodium L-glutamate.

5, other: such as rheumatism, tuberculosis, etc. can also cause flushing. Very frequent flushing may be one of the manifestations of hyperthyroidism.

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