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GoodRx Guide

What Is PKU?

Comprehensive information for you or a loved one — including treatment options and discounts on popular medications.

PKU is a condition in which phenylalanine cannot be broken down. Symptoms include seizures, intellectual disability, and shaking.

Treatment for PKU includes eating foods low in phenylalanine and taking supplements. Enzyme replacement therapies are commonly used to replace missing enzymes.


PKU Medications

Compare prices and information on the most popular PKU medications.

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