It works by interfering with a bacterium’s ability to produce proteins, thus inhibiting growth.

Azithromycin is often prescribed as an alternative to penicillin for people who are allergic to it.

Off-Label Uses

Azithromycin sometimes is prescribed to treat moderate to severe acne.

A healthy electrocardiogram chart

GIPhotoStock / Getty Images

They also may wait until after you’ve been tested for and diagnosed with a specific infection.

In many cases, azithromycin will be the first antibiotic prescribed for an infection.

Tell them if you have ever had an allergic reaction to azithromycin.

Also share the names of all medications, vitamins, and supplements you currently take, if any.

While some drugs pose minor interaction risks, others may contraindicate use.

All listed dosages are according to the drug manufacturer.

Check your prescription and talk to your healthcare provider to ensure you are taking the right dose for you.

Side Effects

As with any medication, azithromycin can cause side effects.

It’s largely regarded as safe but there are some can interact with certain medications and other substances.

A Z-Pak contains six 250 mg tablets.

Take two tablets the first day and one tablet a day for the next four days.

It is also sometimes prescribed as a preventive measure prior to dental procedures.

Azithromycin is a macrolide antibiotic that treats a wide spectrum of bacteria.

It is commonly prescribed in place of penicillin for people with a penicillin allergy.

2019;21(1):47-58. doi:10.1007/s40272-018-0318-9

Gbinigie K, Frie K.Should azithromycin be used to treat COVID-19?

2020;4(2).

Mar 12, 2013.