Q: Are Ibuprofen and Pelubiprofen the same class of fever reducers, and how should I alternate them with Acetaminophen?
- Myeongchan Kim, MD
- Jul 1
- 2 min read
Updated: Jul 8
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:
My child ended up visiting two different clinics, and as a result, we received three different fever reducers: Acetaminophen (325mg), Ibuprofen (200mg), and Pelubiprofen. I have a question about alternating these medications to manage the fever. Are Ibuprofen and Pelubiprofen considered the same class of medication?
Answer:
Yes, both Ibuprofen and Pelubiprofen belong to the same class of medications known as Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).
Here is important safety information and guidance regarding how to use these medications for your child:
Important Safety Information:
Do not take Ibuprofen and Pelubiprofen together. Since they are both NSAIDs, taking them simultaneously or overlapping them increases the risk of gastrointestinal side effects and puts an unnecessary burden on the kidneys.
Acetaminophen belongs to a completely different medication class, which means it can be safely alternated (cross-taken) with an NSAID like Ibuprofen.
Recommended Usage:
First Step: Start by using Acetaminophen alone at the prescribed 4 to 6-hour intervals.
If Ineffective: If the fever remains high and the child is uncomfortable, you can give Ibuprofen 3 hours after the Acetaminophen dose.
Regarding Pelubiprofen: It is recommended to safely store the Pelubiprofen and stick to using only the Ibuprofen to avoid accidental duplication of NSAIDs.
How to Alternate Medications:
Acetaminophen → wait 3 hours → Ibuprofen → wait 3 hours → Acetaminophen.
You must still maintain the required minimum intervals for each specific drug: 4 to 6 hours for Acetaminophen, and 6 to 8 hours for Ibuprofen.
Never exceed the maximum allowed daily doses for either medication.
Key Precautions:
Only administer fever reducers if your child's temperature is above 38.5°C (101.3°F) and the child is visibly struggling or uncomfortable.
Keep a written record of the medication administration times and your child's body temperature.
It is always safer to have prescriptions received from multiple clinics reviewed by a single doctor or pharmacist to check for overlapping medications.
If your child's fever persists for more than 3 days, please consult your pediatrician or see a doctor for an in-person re-evaluation.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
