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What is the normal AST and ALT range for a 17 year old?

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Posted on Mon, 14 Jul 2014
Question: What is a normal AST and ALT range for a 17 year old male on his last month of Accutane?
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Answered by Dr. Praveen (1 hour later)
Brief Answer:
3-5 times more than normal limits are abnormal

Detailed Answer:
Hi dear.Thanks for posting on HCM.

Normal ALT - 7 to 40U/l.
AST - 8 to 48U/l.

I were to measure these enzymes during therapy and would recommend to stop if they are significantly elevated(more than 3-5 times the normal limits depending on the reference values of the lab) and more importantly if you have symptoms of flu.

Further these elevations cannot be purely attributed to accutane therapy in the background of alcoholic liver disease(ALD).

Hope this answers your query.
Above answer was peer-reviewed by : Dr. Prasad
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Dr. Praveen

General & Family Physician

Practicing since :2008

Answered : 1055 Questions

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What is the normal AST and ALT range for a 17 year old?

Brief Answer: 3-5 times more than normal limits are abnormal Detailed Answer: Hi dear.Thanks for posting on HCM. Normal ALT - 7 to 40U/l. AST - 8 to 48U/l. I were to measure these enzymes during therapy and would recommend to stop if they are significantly elevated(more than 3-5 times the normal limits depending on the reference values of the lab) and more importantly if you have symptoms of flu. Further these elevations cannot be purely attributed to accutane therapy in the background of alcoholic liver disease(ALD). Hope this answers your query.