<unk>  is a condition in which a person develops<unk> es or blotches associated with erythema on the face, neck, shoulders, and in some cases, the entire body after consuming<unk> ic beverages. The<unk>  is the result of an accumulation of acetaldehyde, a metabolic byproduct of the catabolic metabolism of<unk> , and is caused by an aldehyde dehydrogenase 2 deficiency. This syndrome has been associated with lower than average rates of<unk> ism, possibly due to its association with adverse effects after drinking<unk> . However, it has also been associated with an increased risk of esophageal cancer in those who do drink. Heat<unk>  is common in East Asians, with approximately 30 to 50% of Chinese, Japanese, and Koreans showing characteristic physiological responses to drinking<unk>  that includes facial<unk> ing, nausea, headaches and a fast heart rate. The condition may be also highly prevalent in some Southeast Asian and Inuit populations.
Alcohol flush reaction
Cannabinoid hyperemesis syndrome
Alcohol withdrawal syndrome
Post-acute-withdrawal syndrome
Nicotine withdrawal
Drug withdrawal
Poison ivy 
Opioid withdrawal