Why do doctors prescribe antibiotics at all?

More than three quarters of US doctors believe antibiotics are necessary to treat infections, according to a new survey.

In the survey of 1,000 doctors, more than three-quarters of them say antibiotics are essential for preventing and treating diseases.

The study, published by the Journal of the American Medical Association, found that about a quarter of doctors in the US prescribe antibiotics for at least some infections, but only one in five of them are specifically asking their patients to get antibiotics.

The survey of doctors by the healthcare research firm Avalere Health, found a significant increase in the use of antibiotics for certain infections.

More than 70% of the surveyed doctors said antibiotics should be given to people who have a known infection.

The US is one of the biggest users of antibiotics, accounting for about half of the world’s total antibiotic use.

About half of US prescriptions are for the antibiotic carbapenem, a common class of drugs used to treat pneumonia and other serious infections.

The number of prescriptions rose more than 10% from 2016 to 2017, from 5.3 million to 5.6 million.

A report released by the Centers for Disease Control and Prevention in May found the use rose about 12% between 2014 and 2016, though it doesn’t break out the number of people who were prescribed the drugs.

In 2016, there were 1.8 million US prescriptions for antibiotics, according the CDC.

That rose to 1.9 million in 2017.