Determining the Right Dosage for Pediatric Fever Relief - Pediatrics

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Medication dosage inquiry?


Hello Doctor, I have a question about medication dosage.
Recently, my child has been infected with a virus and has been experiencing high fevers, reaching 39.5 degrees Celsius or even above 40 degrees.
Since my daughter had a high fever over the weekend, I went to the pharmacy and bought some suppositories to reduce her fever.
However, there was an issue: the pharmacist at the first pharmacy told me that for my daughter, who weighs 38 kilograms, she should use two 12.5 mg suppositories, while another pharmacist at a different pharmacy said that two 12.5 mg would be too much and that one 12.5 mg suppository would be sufficient.
I was really confused.
😅 Could you please advise me on the appropriate dosage for my daughter? Thank you.

Zhixuan, 30~39 year old female. Ask Date: 2023/05/27

Dr. He Zongxian reply Pediatrics


Hello, Zhixuan.
The recommended dosages for antipyretics vary depending on the active ingredients.
Before administering medication, you can refer to the drug leaflet (package insert) to ensure the dosage is correct.
It is also important to remind you that if you have any doubts about the medication dosage, do not administer it directly.
It is safer to take your child to a clinic or hospital for an examination and follow the physician's recommendations for medication.
Additionally, for a child weighing 38 kilograms, unless there are special circumstances, it is generally advised to use oral antipyretics rather than suppositories.
I hope your child recovers soon.
Sincerely, He Zongxian, Tainan Hospital.

Reply Date: 2023/05/27

More Info


When it comes to determining the appropriate dosage for pediatric fever relief, especially in the case of a child weighing 38 kg, it is essential to consider both the specific medication being used and the child's overall health condition. In your case, you mentioned using a suppository with a dosage of 12.5 mg.
First, let's clarify the medications typically used for fever relief in children. Common options include acetaminophen (often known by the brand name Tylenol) and ibuprofen (known as Advil or Motrin). These medications are generally safe and effective for managing fever in children, but the dosing guidelines can vary significantly based on the child's weight and age.


Acetaminophen Dosage
For acetaminophen, the recommended dosage is usually 10-15 mg per kilogram of body weight per dose, given every 4-6 hours as needed. For a child weighing 38 kg, this would translate to a dose of approximately 380-570 mg per administration. However, it is crucial to note that the maximum daily dose should not exceed 4,000 mg to avoid potential liver damage.


Ibuprofen Dosage
For ibuprofen, the typical dosage is 5-10 mg per kilogram of body weight per dose, also given every 6-8 hours as needed. For your child, this would mean a dose of 190-380 mg per administration. The maximum daily dose for ibuprofen is generally 1,200 mg for children, but this can vary based on specific formulations and recommendations from healthcare providers.


Suppository Dosage
Regarding the specific suppository you mentioned (12.5 mg), it is important to understand that this dosage is relatively low. If the suppository is indeed 12.5 mg, administering two suppositories would give a total of 25 mg, which is still within a safe range for a child of 38 kg, especially if the fever is high (e.g., 39.5°C or higher). However, the exact dosage can depend on the specific medication's formulation and the manufacturer's guidelines.


Consultation with Healthcare Professionals
Given the conflicting advice you received from different pharmacists, it is advisable to consult with a pediatrician or a healthcare professional who can provide personalized recommendations based on your child's health status and the specific medication being used. They can also consider any underlying health conditions or other medications your child may be taking, which could affect the safety and efficacy of the fever relief medication.


Monitoring and Emergency Care
In addition to medication, it is essential to monitor your child's fever closely. If the fever persists despite medication, or if your child exhibits other concerning symptoms (such as difficulty breathing, persistent vomiting, or lethargy), it is crucial to seek medical attention promptly. In cases of high fever (above 40°C), immediate medical evaluation is warranted to rule out serious infections or other complications.


Conclusion
In summary, for a child weighing 38 kg, the dosage of fever relief medication should be carefully calculated based on the specific medication and the child's overall health. Always consult with a healthcare provider for the most accurate and safe dosing recommendations. Monitoring your child's condition and seeking medical help when necessary is vital for ensuring their health and safety.

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