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It’s well documented that alcohol has a negative effect on your immune system, and
Per the
Researchers have not yet examined the effects of heavy drinking or “binge drinking” on the effectiveness of the COVID-19 vaccine. But to be on the safe side, it’s likely a good idea to avoid increasing your alcohol intake in the several days after getting a vaccine.
Let’s look at how alcohol affects your immune system and whether it’s safe to drink alcohol after getting a COVID-19 vaccine.
The purpose of COVID-19 vaccines is to help your immune system recognize the virus that causes COVID-19 as a foreign invader.
It’s currently not entirely known how alcohol consumption affects your vaccine response. COVID-19 vaccines approved for emergency use in the United States had to go through rigorous clinical trials to assess their safety before the FDA authorized them. These trials did not examine whether alcohol affects vaccine effectiveness.
It’s likely that drinking moderately in the days following your vaccine will not change its effectiveness.
Some early
To be on the safe side, it’s probably best to either keep your alcohol consumption the same or reduce it for at least a few days after receiving your vaccine.
As reported by Reuters, a Russian health official released a warning in December 2020 that people receiving the Sputnik V COVID-19 vaccine should avoid alcohol for 2 weeks before their first injection and for 4 weeks after their second injection. The logic was that alcohol may reduce your ability to build immunity to the virus that causes COVID-19.
Dr. Alexander Gintsburg, the head of the research team that produced the Sputnik V vaccine, has since shared on the official Sputnik V social media account that a complete ban on alcohol is not necessary and that moderate consumption is alright. He advised avoiding drinking for 3 days after receiving each injection or any other vaccine.
Alcohol and cerebral venous sinus thrombosis
Some types of COVID-19 vaccines, such as Johnson & Johnson and AstraZeneca, have potentially been associated with a condition called cerebral venous sinus thrombosis (CVST) in extremely rare cases. CVST is a blood clot in the sinuses of the brain.
In an
According to the Italian Society on Alcohol, alcohol is linked to negative platelet function that may increase the risk of coagulation disorders like CVST. It’s possible that heavy drinking in combination with vaccination may contribute to the development of this rare complication, although future studies are needed to understand if this is indeed the case.
The vast majority of people who receive a COVID-19 vaccine only experience mild side effects. For example, the most common symptom with the Pfizer-BioNTech vaccine is soreness around the vaccine site.
It’s a good idea to schedule your vaccine for the end of the day or a time when you have some downtime in case you experience headaches or fatigue.
You can take over-the-counter medications like ibuprofen (Advil) or Acetaminophen (Tylenol) if you develop uncomfortable symptoms like:
- joint pain
- muscle pain
- headaches
- pain around the injection site
Severe allergic reactions
Severe allergic reactions are rare but can occur, usually
Symptoms of an allergic reaction include:
- trouble breathing
- swelling of face and throat
- fast heartbeat
- rash
- dizziness and weakness
If you develop a severe allergic reaction, you should seek immediate medical attention.
Medical emergencyInflammation of your heart and the lining of your heart is also a possible rare side effect that should prompt immediate medical attention. Symptoms include:
- chest pain
- shortness of breath
- fast heart rate
- pounding heart
- fluttering heart
COVID-19 vaccines help your body recognize the virus that causes COVID-19 as a foreign invader that should be attacked. The way vaccines achieve this varies depending on how they’re made.
There are
- mRNA vaccines. mRNA vaccines contain material from the virus that allows your body to create white blood cells and antibodies to defend against it. These are Pfizer-BioNTech and Moderna. It should be noted that this does not cause COVID-19.
- Protein subunit vaccines. These vaccines include proteins from the virus instead of the entire virus. They teach your body to recognize that the protein is an invader that should be attacked. Novavax experimental vaccine is an example.
- Vector vaccines. Vector vaccines contain a modified version of a different virus than the one that causes COVID-19. Inside the virus is genetic information from the virus that causes COVID-19. Johnson & Johnson and Janssen Pharmaceuticals are examples.
A moderate amount of alcohol is unlikely to affect your response to your COVID-19 vaccine. To be on the safe side, it’s likely a good idea to avoid increasing your alcohol consumption.
It’s possible that decreasing your alcohol consumption or avoiding alcohol altogether may improve your vaccine response, but there’s no scientific evidence showing that this is the case.
It’s likely a good idea to avoid heavy drinking or binge drinking for at least a few days after receiving each dose of your vaccine.