"widely prescribed" is a correct and usable phrase in written English.
You can use it to describe something that is used or recommended often. Example: Antibiotics are widely prescribed to treat bacterial infections.
The freeze includes its most widely prescribed AIDS medicine, Combivir.
Dr. Braverman predicts that HGH will become more widely prescribed.
Tamoxifen is the world's most widely prescribed breast-cancer drug.
Opioids are widely prescribed for this and other purposes.
Vitamin K antagonists (VKA) are widely prescribed throughout the world.
Male birth control will be widely prescribed but it won't be covered by Obamacare.
Some medications like the widely prescribed selective serotonin reuptake inhibitors can actually cause insomnia.
Megestrol is a synthetic female hormone that is widely prescribed to induce weight gain.
It remains a complementary therapy rather than a widely prescribed medicine.
For decades, these were among the most widely prescribed drugs in the nation.
A widely prescribed drug known as Percocet contains oxycodone in combination with acetaminophen.
