Managing Fever and Flu: Is It Safe to Self-Treat with Antiviral Medications?

Fever, influenza?

In the past week, I experienced fever that fluctuated, reaching a high of 38.4°C on Monday.
For several days, my temperature was around 37.5°C to 36.9°C, but today, Saturday, it has risen again to a high of 38.3°C and remains around 38.1°C.
Since I have very mild other symptoms and have been going out very little, I am reluctant to get tested for COVID-19 due to concerns about potential exposure.
I am also worried about the complications of influenza, which can lead to pneumonia.
I would like to know if taking antiviral medication for influenza without testing is advisable, and if there are any potential side effects or legal issues.
Thank you.

Grace, 20~29 year old female. Ask Date: 2021/06/12

Dr. Liao Yaopan reply Family Medicine

If you are experiencing a persistent fever, please seek medical evaluation at a hospital as soon as possible.
It is not advisable to self-medicate, as this can protect neither yourself nor others.
Online consultations are not equivalent to in-person medical visits and cannot provide diagnoses or treatment recommendations.
Changhua Hospital cares about your well-being.

Reply Date: 2021/06/12

More Info

When managing fever and flu symptoms, it is crucial to approach self-treatment with caution, especially when considering antiviral medications such as oseltamivir (commonly known as Tamiflu). Here are some key points to consider regarding your situation:

Understanding Fever and Flu Symptoms
Fever is a common response to infection, including viral infections like influenza. A fever above 38°C (100.4°F) indicates that your body is fighting off an infection. The fluctuation in your temperature, as you described, suggests that your body is actively responding to whatever illness you may have. While mild symptoms may not seem alarming, persistent fever can indicate a more serious underlying condition, especially if it lasts for an extended period.

Antiviral Medications
Antiviral medications, such as oseltamivir, are specifically designed to treat influenza. They are most effective when taken within the first 48 hours of symptom onset. If you are considering taking antiviral medication without a formal diagnosis, there are several factors to keep in mind:
1. Legality and Prescription Requirements: In many countries, antiviral medications require a prescription. Self-prescribing can lead to legal issues and may not be safe. It is essential to consult with a healthcare provider before starting any antiviral treatment.

2. Potential Side Effects: While antiviral medications can be effective, they are not without side effects. Common side effects include nausea, vomiting, and diarrhea. In some cases, individuals may experience more severe reactions. Without medical supervision, you may not be able to manage these side effects appropriately.

3. Underlying Conditions: If you have pre-existing health conditions, such as asthma or heart disease, taking antiviral medications without medical advice could exacerbate these conditions. It is crucial to discuss your health history with a healthcare provider before starting any new medication.

4. Risk of Misdiagnosis: Self-treating without a proper diagnosis can mask symptoms of other illnesses, including bacterial infections that may require antibiotics rather than antivirals. For instance, if your fever is due to a bacterial infection like pneumonia, antiviral medications will not be effective and could delay appropriate treatment.

Recommendations
1. Consult a Healthcare Provider: Given your symptoms and the duration of your fever, it is advisable to consult a healthcare provider. They can perform a thorough evaluation, possibly including tests for influenza or other infections, and recommend appropriate treatment.

2. Monitor Symptoms: Keep track of your symptoms, including the duration of your fever, any new symptoms that arise, and how you feel overall. This information will be valuable for your healthcare provider.

3. Consider Testing: While you may be hesitant to undergo testing for COVID-19 or influenza, it is essential to rule out these conditions, especially given the ongoing pandemic. Testing can provide clarity on your illness and guide treatment decisions.

4. Self-Care Measures: In the meantime, focus on self-care measures such as staying hydrated, resting, and using over-the-counter medications like acetaminophen or ibuprofen to manage fever and discomfort. These can help alleviate symptoms while you await further evaluation.

Conclusion
In summary, while it may be tempting to self-treat with antiviral medications, it is essential to prioritize safety and legality by consulting a healthcare provider. They can provide a proper diagnosis and recommend the most effective treatment for your symptoms. Remember, managing your health proactively is the best approach to ensure a swift recovery and prevent complications.

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