When you need antibiotics -- and when you don't

New study shows many doctors prescribe useless antibiotics for bronchitis

Jacque Wilson | 5/21/2014, 1:02 p.m.
When you need antibiotics -- and when you don't You're sick. You're not sure what it is, but you know ...

— New study shows many doctors prescribe useless antibiotics for bronchitis

Most sinus infections are caused by viruses and don't require antibiotics

Strep throat is a bacterial infection and should be treated with antibiotics

When you need antibiotics -- and when you don't

By Jacque Wilson


(CNN) -- You're sick. You're not sure what it is, but you know you would really love for this achy feeling, stuffed up head, or painful cough to go away. So you go to the doctor -- and demand drugs.

If recent research is any indication, your physician will likely prescribe you an antibiotic, even if he or she knows it won't make you better any faster.

"Research has shown that several common infections do not require antibiotics. Yet we continue to unnecessarily take them," said Amanda Helberg, a physician assistant at Scott & White Lago Vista Clinic in Lago Vista, Texas. "This overuse of antibiotics has led to 'superbugs,' and now bacterial resistance is on the rise."

A letter published this week in the Journal of the American Medical Association shows doctors prescribe antibiotics for acute bronchitis approximately 70% of the time, despite decades of evidence demonstrating that these drugs don't work against respiratory illness.

"Despite clear evidence, guidelines, quality measures and more than 15 years of educational efforts stating that the antibiotic prescribing rate should be zero ... physicians continue to prescribe expensive, broad-spectrum antibiotics," write Dr. Michael Barnett and Dr. Jeffrey Linder with Brigham and Women's Hospital in Boston.

Save yourself some money at the doctor's office by knowing which common ailments require antibiotics, and which ones don't:

Cold and flu

Upper respiratory infections, better known as the common cold, and influenza are caused by viruses. Antibiotics only kill bacteria.

"Antibiotics are not needed and are of no benefit" for cold and flu, said Dr. John Joseph, a family medicine physician at Scott & White Killeen Clinic in Killeen, Texas.

The best way to prevent the flu is to get vaccinated every year, according to the Centers for Disease Control and Prevention. If you've already got it, talk to your doctor about taking an antiviral drug to speed your recovery.

Colds usually last seven to 10 days, Helberg said, and will go away on their own with plenty of rest and fluids. You can take over-the-counter medications to relieve some of the symptoms.


As the journal letter mentions, "acute bronchitis in otherwise healthy adults does not need to be treated with antibiotics," Joseph said.

But there are exceptions. "Patients with complicating factors such as emphysema or chronic obstructive pulmonary disease (COPD) may receive antibiotics since these patients are more susceptible to developing secondary bacterial infections," he said.

Ear infections

It's probably best to let your doctor make the call on ear infections.

Ear infections can be caused by viruses or bacteria, and "the only definitive method for determining the cause of the ear infection is to puncture the eardrum and culture the fluid," Joseph said. "In the U.S., most physicians treat with antibiotics instead of obtaining the culture."