Question 1

What are the most common side effects of azithromycin?

Accepted Answer

The most common side effects (affecting more than 1 in 10 people) are diarrhoea, nausea, abdominal pain, flatulence, and stomach cramps.

Question 2

How soon after taking azithromycin can side effects start?

Accepted Answer

Most side effects like stomach upset or headache can begin within the first few hours to days of starting treatment. Allergic reactions usually occur within minutes to hours.

Question 3

How long do azithromycin side effects last?

Accepted Answer

Most side effects resolve within a few days after stopping the medication. However, due to the long half-life (68 hours), some effects like taste disturbance or mild diarrhoea may persist for up to a week.

Question 4

Can I drink alcohol while taking azithromycin?

Accepted Answer

Moderate alcohol is unlikely to cause serious problems, but it may increase dizziness and stomach upset. It's best to avoid alcohol until you finish the course.

Question 5

Who should not take azithromycin?

Accepted Answer

People with allergy to macrolide antibiotics, severe liver disease, or certain heart conditions (QT prolongation) should not take azithromycin. Always tell your doctor your full medical history.