Can you drink alcohol before and after receiving the COVID-19 vaccine?

Mar 05, 2025 Source: Cainiu Health

Dr. Ren Yi

Introduction

COVID-19 vaccines refer to vaccines against the novel coronavirus. Under normal circumstances, alcohol consumption should be avoided before and after receiving a novel coronavirus vaccine. Alcohol requires a certain amount of time to be metabolized in the body. If alcohol is not fully metabolized before vaccination, it may affect the effectiveness of the vaccine. Drinking alcohol may also cause abnormal liver function, thereby exacerbating adverse reactions that may occur after vaccination.

　　The term "COVID-19 vaccine" refers to the vaccine for the novel coronavirus. Under normal circumstances, alcohol consumption before and after receiving the novel coronavirus vaccine is not recommended. Detailed explanations are as follows:

　　

　　After entering the body, alcohol requires a certain amount of time to be metabolized. If the alcohol hasn't been completely metabolized before receiving the novel coronavirus vaccine, it may affect the vaccine's effectiveness. Alcohol consumption may also cause abnormal liver function, thereby exacerbating adverse reactions that could occur after vaccination. In individuals with special constitutions, alcohol might trigger allergic reactions, and receiving the novel coronavirus vaccine at this time could worsen adverse reactions.

　　After receiving the novel coronavirus vaccine, doctors need to judge whether the reactions experienced by the vaccinated individual are normal adverse effects of the vaccine. After alcohol consumption, symptoms such as dizziness, headache, and nausea may appear, which can be similar to the vaccine's adverse reactions, making it difficult to promptly detect and manage potential problems. Moreover, alcohol consumption may reduce the vaccine's ability to generate antibodies, thus affecting its effectiveness. Therefore, alcohol consumption before and after receiving the novel coronavirus vaccine is not recommended.

　　It is recommended to avoid excessive alcohol consumption before and after vaccination. Additionally, maintaining good lifestyle habits during the vaccination period, such as sufficient sleep, balanced diet, and moderate exercise, can help enhance the immune system's responsiveness.

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