In the case of a rash after developing an alcohol allergy, patients are advised not to be exposed to alcohol again, as this may make the allergy more severe. In this case, oral anti-allergy medications such as loratadine, cetirizine, paracetamol, etc. can usually be taken. In addition, it is important to observe whether the patient will develop other allergic symptoms. If chest tightness and shortness of breath appear, it is still recommended to seek medical consultation at a regular hospital in a timely manner. In addition, when rashes occur after alcohol allergy, patients can also drink more water to promote the metabolism of alcohol, in addition, they can also drink fresh fruit juices, such as orange juice, watermelon juice, etc. In short, the symptoms caused by alcohol allergy vary in severity. Some patients only have a rash, while others often also have chest tightness, shortness of breath, difficulty breathing, or even symptoms of anaphylaxis.