'prescribed to him' is correct and usable in written English.
You can use it when you want to express that something was given or allotted to someone. For example: The doctor prescribed him two different medications in order to combat his illness.
Plus taking prescription pills not prescribed to him, Delacourt said.
Hileman, a money manager who lived in Arizona, first got hooked on pain medications that were prescribed to him for dental work and back problems.
When they asked him if he was in possession of any illegal substances, Mr. Kha, now 22, said he had marijuana prescribed to him by a doctor.
On Dec. 1 and 4, Boogaard tested positive for Xanax, although there is no record of it being prescribed to him.
In a brief news conference outside the Indians' clubhouse, Byrd told more than 100 reporters that he had "never taken any hormone or any drug that was not prescribed" to him by a doctor.
Mr. Stanford was declared incompetent to stand trial last January because he had become addicted to anti-anxiety medication prescribed to him while in detention in a federal facility outside of Houston.
They had apparently been prescribed to help him overcome chronic insomnia.
He has also spoken openly about his addiction to anti-depressants, which were prescribed to help him deal with an "emotional breakdown" following the end of a relationship.
A persistently bad flyer, who based the scenes of addled mayhem in The Wolf of Wall Street on the time he took the Quaaludes prescribed to help him get on a plane.
The company said he had drunk alcohol at a birthday party for his 87-year-old grandmother at his home and later took the antidepressant Doxepin, which had been prescribed to help him sleep.
Mathematics, which as a student by nature he will take very easily, will be prescribed to train him to abstract thought and to faith in the unembodied; a moral being by native disposition, he must be led to make his virtue perfect; after the Mathematics he must be put through a course in Dialectic and made an adept in the science.
