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How and when to treat phenylketonuria?

pku handbook

The earlier treatment starts, the better pku handbook the outcome. Treatment is primarily a "low phenylalanine diet";


Start with a low-phenylalanine formula, wait until the baby's blood phenylalanine drops, and then gradually add breast milk or other natural milk. Breast milk is better than other natural milks, such as cow's milk, because it contains less phenylalanine than other types of milk.

The daily intake for breastfeeding should not exceed 250ml; the daily intake for breastfeeding should not exceed 100ml. The remainder is supplemented by low-phenylalanine formula.

Other non-protein nutrients should be supplemented as normal children.

1 year old

After the age of 1, you should still give your child enough low-phenylalanine through formula milk, but stop drinking natural milk such as cow's milk.

At this time, children have been able to eat a variety of foods, pay attention to the choice of low-protein foods, such as vegetables, fruits, potatoes, lotus powder, noodles, noodles, steamed bread, sugar, etc. The protein content of rice porridge is slightly higher, no more than 12 per day.


Low-phenylalanine diet therapy should be continued at least until puberty (about 12 years of age), and dietary control can be appropriately relaxed after puberty. Of course, it will be better for your health if you can stick to a diet throughout your life.

In addition to a "low phenylalanine diet," phlebomycin supplementation may be an alternative treatment for patients with mildly high phenylalanine (150-600 μmol/l blood phenylalanine).




Foods to avoid if you have PKU?

A low-protein diet that fully forbids high-protein foods (including meat, eggs, and dairy products) and restricts the use of numerous other items, such potatoes and cereals, is the principal treatment for PKU.

Do you experience coldness if you have diabetes?

Anemia, renal, and circulation issues brought on by diabetes can make people feel chilly.

Can PKU sufferers consume bananas?

Fruits: The majority of fresh or frozen fruits are low in phenylalanine, with the exception of raisins, which should be consumed in moderation due to their high phenylalanine content, and bananas and honeydew melon, which are regarded as medium-phenylalanine fruits. Limit your intake of them to half a cup, and do so sparingly.