Q: Are the IV treatments for Type A and Type B influenza different?
- Myeongchan Kim
- 49 minutes ago
- 2 min read
Medically reviewed by Sang Hyun Ahn, MD
Content edited by Myeongchan Kim, MD
This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.
Question:
Are the intravenous (IV) treatments for Type A and Type B influenza different? I would like to know if a specific type of IV medication is required depending on which flu strain a person has.
Answer:
No, the IV treatment for the flu does not differ between Type A and Type B.
How the Flu IV Works
The "flu IV" administered at hospitals is typically an antiviral medication called Peramivir (often known by the brand name PeramiFlu). This medication is effective against both Type A and Type B influenza viruses, meaning there are no separate formulations for each strain. When administered within 48 hours of symptom onset, it can effectively shorten the overall duration of the illness by 1 to 1.5 days.
If the IV Has Already Been Administered
If the patient has already received the Peramivir IV and their condition remains stable, there is generally no need to take additional oral antiviral medications like Tamiflu.
When to See a Doctor
Please observe the patient's recovery process carefully. You should contact the prescribing hospital for a re-evaluation if the fever continues for another 2 to 3 days after the IV, or if symptoms worsen. Seek immediate, same-day medical attention if you notice any of the following warning signs:
Shortness of breath or chest retractions (the skin pulling inward under the ribs while breathing)
No urination for more than 8 hours
Severe lethargy, extreme weakness, or difficulty waking up
A fever that lasts for more than 5 days or spikes again after initially going down
In summary, the exact same IV antiviral medication is used regardless of whether it is a Type A or Type B flu infection. Continue to monitor the symptoms closely, keep the patient well-rested, and consult a pediatrician or doctor for an in-person evaluation if their condition worsens or fails to improve.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
