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Published on: 12/1/2025

Are there side effects or precautions when taking flu antivirals?

Flu antivirals like oseltamivir can have side effects such as liver issues and mental health changes. It's important to be aware of these when taking the medication.

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Explanation

Flu antivirals, such as oseltamivir, are used to treat influenza, but they come with possible side effects and precautions.

  1. Liver Concerns: According to the research by Mastroianni et al., there is an association between oseltamivir and acute hepatitis. This means that in some cases, taking oseltamivir might cause liver problems. It's important to monitor liver function if you are taking this medication.

  2. Mental Health Effects: The study by Lan et al. highlights that oseltamivir can lead to worsening of psychiatric symptoms in some people. This includes changes in mood or behavior. If you or someone you know is experiencing mental health issues while on this medication, it's important to seek help. For immediate support, you can visit 988lifeline.org.

  3. General Side Effects: The systematic review by Jefferson et al. provides a broad overview of oseltamivir's effects, indicating that while it is effective in treating flu, users should be aware of these side effects and take necessary precautions.

In summary, while flu antivirals can be helpful in treating influenza, being informed about potential side effects is crucial for safe use.

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