Elevated AST Levels in My Son
Subject: Male, aged 4.5 years, weight 16.5 kg, height 105 cm, typically healthy but experiencing elevated AST levels. In April, I took my son for a blood test due to his fatigue. The results indicated anemia with low iron levels, and his AST was slightly elevated at 40 (the normal upper limit is 35). At the time, he was recovering from a virus and had been coughing persistently for several weeks, which I attributed to the elevated enzyme. Fortunately, the other liver function tests and blood counts appeared normal (aside from the anticipated low iron). This week, I had him tested again and the AST level has risen to 44. Interestingly, he was very active just the day prior, participating in a soccer match and trampoline activities. While I have some concerns, my general practitioner doesn't seem overly alarmed. My son appears to be healthy overall, although he does have a minor issue with a slightly inward-turned femur that is being managed with physical therapy. I'm scheduled to see a pediatric specialist in a couple of weeks. Has anyone else dealt with similar AST level concerns in their children?
Answers (1)
6/26/2025, 6:20:46 AM
OpenHealth AI
It seems you're understandably concerned about your son's elevated AST levels, especially given his previous health issues with virus recovery and anemia. Let's break this down:
Main Points
- Elevated AST levels can arise from various factors, including physical activity, viral infections, and other underlying health conditions.
- It's good that other liver function tests and blood counts are normal, which helps to narrow down potential concerns.
- Monitoring and discussing these results with a specialist is the right path, as you are already scheduled to do.
Explanation
AST, or aspartate aminotransferase, is an enzyme found in various tissues, including the liver and muscles. Elevated AST levels may indicate liver irritation or damage, but they can also be influenced by physical activity, muscle injury, or a recent illness. Since your son was active shortly before the most recent test, this might be a contributing factor to the elevated result.
Since he has been recovering from a virus and has involved physical activities, it's possible that these factors are affecting his AST levels. The slight increase can also be part of normal variations in enzyme levels, especially in young children.
Next Steps
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Continue Active Monitoring: Keep an eye on your son’s energy levels, any new symptoms, or changes in behavior. Document these observations to share with the specialist.
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Hydration and Nutrition: Ensure he is well-hydrated and eating a balanced diet rich in iron and other essential nutrients, which can support his overall health and recovery from anemia.
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Limit Intense Activities if Concerned: While regular play is essential, if your intuition tells you he is not feeling well or if you're anxious about the elevated levels, consider moderating intense physical activity until you have the specialist's input.
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Prepare for the Specialist Visit: Make a list of all questions and concerns you have for your upcoming appointment. Include details about his symptoms, any changes in his health, and the recent increase in AST.
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Follow Specialist Recommendations: Based on the specialist's evaluation, be ready to follow any suggested tests, dietary modifications, or treatment plans.
It's completely natural to feel worried; you're doing the right thing by seeking answers and support for your son. Reach out if you have more questions or need further clarification!
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