Q: My child had a high fever for 4 days last week and might have been dehydrated. Should they get IV fluids now to protect their kidneys?
- Myeongchan Kim, MD
- 6 hours 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:
My child had a high fever for about four days last week. We did not get IV fluids at the time, and currently, my child is eating well and acting normally. During the fever, they drank water well, so I didn't suspect dehydration. However, looking back, their eyes looked a bit sunken, making me think they might have experienced mild dehydration. Would it be better for my child's health to get IV fluids even now? I am very worried because I heard that dehydration can affect the kidneys.
Answer:
I completely understand your concern for your child's health after a four-day high fever. Fortunately, it is very reassuring to hear that your child is currently eating well and acting normally.
Current Status Evaluation
If your child meets the following conditions, they have likely fully recovered from any potential dehydration:
• Eating well and playing actively
• Urinating at least 4 to 6 times a day
• Having moist lips and producing tears when crying
• Skin returns to normal quickly when lightly pinched
Necessity of IV Fluids
IV fluids are not necessary at this time. Here is why:
• Your child has already recovered and returned to normal daily activities.
• Oral fluid intake is sufficient.
• The acute phase of the fever has passed.
Impact on the Kidneys
• Short-term, mild dehydration almost always resolves with complete recovery.
• Kidney damage typically only occurs when severe dehydration persists for a prolonged period.
• Since your child continued to drink water during the fever, there is no need for excessive worry.
Future Management
Maintain adequate hydration (water, soups, fruits).
Observe the color of their urine (pale yellow is normal).
Mention this episode to your pediatrician during your next regular check-up.
When to See a Doctor
Please visit a pediatrician for an evaluation if you notice any of the following:
• Urine output is persistently low or the urine is very dark in color.
• New symptoms of swelling or unusual fatigue appear.
• You notice blood or persistent foam in the urine.
You are doing a great job managing your child's health, and maintaining their current routine is sufficient!
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
