Azithromycin and Zantac 75 drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Azithromycin (azithromycin) and Zantac 75 (ranitidine hydrochloride). Common drug interactions include renal injury among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Azithromycin and Zantac 75. It is created by eHealthMe based on reports of 48 people who take the same drugs from the FDA, and is updated regularly.

What is Azithromycin?

Azithromycin has active ingredients of azithromycin. It is often used in sinusitis. eHealthMe is studying from 40,716 Azithromycin users. Check the latest studies of Azithromycin.

What is Zantac 75?

Zantac 75 has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 3,796 Zantac 75 users. Check the latest studies of Zantac 75.



On Jul, 18, 2026

48 people who take Azithromycin and Zantac 75 together, and have interactions are studied.

Azithromycin and Zantac 75 drug interactions.

What are the common drug interactions of Azithromycin and Zantac 75, by gender? *:

female:

  1. Renal injury (kidney injury)
  2. Constipation
  3. Essential hypertension (primary hypertension)
  4. Death
  5. Renal cell carcinoma (a kidney cancer)
  6. Chronic kidney disease
  7. Renal failure (kidney dysfunction)
  8. Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
  9. Hyperkalaemia (damage to or disease of the kidney)
  10. Hypertension (high blood pressure)

male:

  1. Chronic kidney disease
  2. Death
  3. Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
  4. Renal failure (kidney dysfunction)
  5. Renal injury (kidney injury)

What are the common drug interactions of Azithromycin and Zantac 75, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Chronic kidney disease
  2. Renal failure (kidney dysfunction)

40-49:

  1. Chronic kidney disease
  2. Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
  3. Hyperkalaemia (damage to or disease of the kidney)
  4. Renal failure (kidney dysfunction)

50-59:

  1. Chronic kidney disease
  2. Hypertension (high blood pressure)
  3. Renal failure (kidney dysfunction)
  4. Renal injury (kidney injury)

60+:

  1. Chronic kidney disease
  2. Renal failure (kidney dysfunction)
  3. Death
  4. Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
  5. Renal cell carcinoma (a kidney cancer)
  6. Renal injury (kidney injury)

What are the existing conditions these people have? *

  1. Pain: 39 people, 81.25%
  2. Infection: 35 people, 72.92%
  3. High Blood Pressure: 29 people, 60.42%
  4. High Blood Cholesterol: 25 people, 52.08%
  5. Blood Pressure Abnormal: 10 people, 20.83%
  6. Depression: 9 people, 18.75%
  7. Muscle Spasms (muscle contraction): 8 people, 16.67%
  8. Arthritis (form of joint disorder that involves inflammation of one or more joints): 8 people, 16.67%
  9. Indigestion: 8 people, 16.67%
  10. Headache (pain in head): 8 people, 16.67%

* Approximation only. Some reports may have incomplete information.

Do you take Azithromycin and Zantac 75?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Azithromycin and Zantac 75:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Azithromycin:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Zantac 75:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Azithromycin and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Zantac 75 and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study uses data from the FDA. It is based on azithromycin and ranitidine hydrochloride (the active ingredients of Azithromycin and Zantac 75, respectively), and Azithromycin and Zantac 75 (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



Recent studies on eHealthMe: