It's crucial not to do these 4 things after receiving the third dose of the Covid-19 vaccine.

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Ngày cập nhật gần nhất: 1/5/2026

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1. Skipping the observation period

2. Assuming that the side effects of the third dose are similar to the first two doses

3. Avoid heavy exercising when feeling tired

4. Refrain from alcohol consumption

1. Skipping the observation period

Usually, if there's no reaction after vaccination, we all want to leave the vaccination site. According to Newsbreak, this scenario is completely fine, nothing to worry about.

However, according to health authorities' recommendations, individuals should still stay for 15 to 30 minutes after receiving the third dose before leaving. During this time, you should monitor your body for any rare reactions.

If you're someone who has experienced severe allergies before, it's best to wait an additional 30 minutes at the vaccination site after receiving the third dose. The mildest reactions you may encounter are rashes, while more severe ones could include anaphylactic shock. Physicians present at the vaccination site will provide timely treatment.

2. Assuming that the side effects of the third dose are similar to the first two doses

The reactions from the third dose may resemble those of the first and second doses, so caution is advised. Mixing vaccines and boosters may result in some side effects.

If you experience some side effects, don't worry as they are normal reactions to mixed vaccinations.

3. Avoid heavy exercising when feeling tired

After receiving the third vaccine dose, it's best to engage in moderate exercise rather than high-intensity workouts, especially when feeling fatigued. Opt for activities like walking, stretching, or gentle aerobic exercises instead of heavy weightlifting or running.

4. Refrain from alcohol consumption

Alcohol can impact the immune system's response to vaccines and increase the risk of post-vaccination side effects such as muscle pain and fatigue, according to Natasha Bhuyan, Clinical Associate Professor at the University of Arizona College of Medicine (USA).

According to Newsbreak, if you wish to consume alcohol, it's advisable to wait for 48 hours after vaccination. Consuming alcohol immediately after vaccination can weaken the immune response of the antibodies to the vaccine.

Here are 4 things you should avoid after receiving the third dose that you need to be aware of. Stay tuned to Media Mart for the most useful updates.

Frequently Asked Questions

What precautions should be taken after receiving the third vaccine dose?

After receiving the third vaccine dose, individuals should stay for 15 to 30 minutes for observation, especially those with severe allergies, and monitor for any reactions, ensuring timely medical assistance if needed.

Is it necessary to avoid heavy exercise after vaccination?

Yes, it is advisable to avoid heavy exercise after vaccination. Instead, engage in moderate activities like walking or stretching to allow your body to recover properly without strain.

How does alcohol consumption affect vaccine response?

Alcohol consumption can negatively impact the immune response to vaccines, increasing the likelihood of side effects. It is recommended to wait 48 hours after vaccination before consuming alcohol to ensure optimal immunity.

Are side effects from the third vaccine dose the same as previous doses?

Not necessarily. While side effects from the third dose may resemble those of the first two doses, mixing vaccines can lead to varied reactions. Monitoring your body's response is essential.

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