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What causes frequent urination in a child?

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Posted on Thu, 10 Dec 2015
Question: Hi I have an autistic 9 yr old son who has put on several pounds in the last few months and also urinates several times an hr. What could be going on?
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Answered by Dr. Sumanth Amperayani (25 minutes later)
Brief Answer:
Needs work up for thyroid and diabetes insipidus

Detailed Answer:
Hi.... by what you quote I feel that your son will require work up for thyroid status which can cause such a sudden increase in weight by what I mean thyroid status is hypothyroidism or low thyroid hormones being produced in the body for various reasons.

The reason for increased frequency of urine could be due to a disease state called diabetes insipidus. This could be either central or related to brain or peripheral... Related to kidneys.

But considering both putting on weight and increased frequency of urination, I feel it could be a central cause.

I suggest you consult with your pediatric Endocrinologist for this.

He will require further work up of hormonal status and departure even an MRI brain.

Regards - Dr. Sumanth
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Sumanth Amperayani

Pediatrician, Pulmonology

Practicing since :2003

Answered : 8347 Questions

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What causes frequent urination in a child?

Brief Answer: Needs work up for thyroid and diabetes insipidus Detailed Answer: Hi.... by what you quote I feel that your son will require work up for thyroid status which can cause such a sudden increase in weight by what I mean thyroid status is hypothyroidism or low thyroid hormones being produced in the body for various reasons. The reason for increased frequency of urine could be due to a disease state called diabetes insipidus. This could be either central or related to brain or peripheral... Related to kidneys. But considering both putting on weight and increased frequency of urination, I feel it could be a central cause. I suggest you consult with your pediatric Endocrinologist for this. He will require further work up of hormonal status and departure even an MRI brain. Regards - Dr. Sumanth