U.S. doctors online nowAsk doctors free
A 46-year-old member asked:

hi doctors, can you tell me what is hyperphenylalaninemia?

1 doctor answer2 doctors weighed in
Dr. Jay Park
Dr. Jay Parkanswered
Pediatrics 50 years experience
See below: Deficiency of phenylalanine hydroxylase or its cofactor result in high level of phenylalanine. The severe form (plasma concentration over 20mg/dl) is known as classic PKU (phenylketonuria). Without proper treatment, child gradually develops profound mental retardation.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
$30 per visit with
membership

Related questions

A 45-year-old member asked:
1 doctor answer1 doctor weighed in
A 48-year-old member asked:
1 doctor answer5 doctors weighed in
A 41-year-old member asked:
1 doctor answer1 doctor weighed in
A 44-year-old member asked:
1 doctor answer3 doctors weighed in
A 39-year-old member asked:
1 doctor answer3 doctors weighed in

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
$30 per visit with
membership
Last updated Jul 22, 2014

People also asked

Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
$30 per visit with
membership

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.