Famotidine and Norfloxacin drug interactions - a phase IV clinical study of FDA data


Drug interactions are reported among 31 people who take Famotidine and Norfloxacin. Common interactions include diarrhoea among females, and bankruptcy among males.

The phase IV clinical study analyzes what interactions people who take Famotidine and Norfloxacin have. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Sep, 28, 2023

31 people who take Famotidine and Norfloxacin together, and have interactions are studied.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is used in gastroesophageal reflux disease. Currently, eHealthMe is studying from 75,949 Famotidine users.

What is Norfloxacin?

Norfloxacin has active ingredients of norfloxacin. It is used in urinary tract infection. Currently, eHealthMe is studying from 2,342 Norfloxacin users.

Number of Famotidine and Norfloxacin reports submitted per year:

Famotidine and Norfloxacin drug interactions.

Common Famotidine and Norfloxacin drug interactions by gender *:


  1. Diarrhoea
  2. Abdominal pain
  3. Anasarca
  4. Blood beta-d-glucan increased
  5. Blood bilirubin increased
  6. Convulsions
  7. Dementia
  8. Depressed level of consciousness
  9. Diabetic nephropathy
  10. Hypoglycaemia


  1. Bankruptcy
  2. Drug dependence
  3. Pulmonary tuberculosis
  4. Staphylococcal sepsis
  5. Vomiting
  6. Abdominal pain
  7. Acute graft versus host disease in skin
  8. Acute myeloid leukaemia
  9. Cardio-respiratory arrest
  10. Constipation

Common Famotidine and Norfloxacin drug interactions by age *:




  1. Alanine aminotransferase increased
  2. Aspartate aminotransferase increased
  3. Bacterial infection
  4. Cytokine storm
  5. Hypertension


  1. Staphylococcal sepsis
  2. Acute graft versus host disease in skin
  3. Acute myeloid leukaemia
  4. Epstein-barr virus associated lymphoproliferative disorder
  5. Metastases to lung
  6. Respiratory failure
  7. Post transplant lymphoproliferative disorder


  1. Pulmonary tuberculosis
  2. Upper respiratory tract infection
  3. Dysuria
  4. Eye irritation
  5. Hepatomegaly
  6. Micturition urgency
  7. Pollakiuria
  8. Urine abnormality




  1. Abdominal pain
  2. Anasarca
  3. Blood beta-d-glucan increased
  4. Blood bilirubin increased
  5. Diarrhoea
  6. Lip pain
  7. Loose stools
  8. Pharyngolaryngeal pain
  9. Pneumonia
  10. Protein total decreased


  1. Duodenal polyp
  2. Gastric polyps
  3. Bilirubinuria
  4. Fatigue
  5. Hepatitis
  6. Hepatomegaly
  7. Jaundice
  8. Urine discolouration


  1. Dementia
  2. Diabetic nephropathy
  3. Blister
  4. C-reactive protein increased
  5. Diabetic coma
  6. Dizziness (excl vertigo)
  7. Dysphagia
  8. Epidermal necrolysis
  9. Face oedema
  10. Feeding disorder

Common conditions people have *:

  1. Gastrointestinal Disorder (functional problems of gastrointestinal tract): 3 people, 9.68%
  2. Diarrhea: 3 people, 9.68%
  3. Brain Oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain): 3 people, 9.68%
  4. Bone Marrow Conditioning Regimen: 3 people, 9.68%
  5. Allergies: 3 people, 9.68%
  6. Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 3 people, 9.68%
  7. Pneumonia: 2 people, 6.45%
  8. Pain: 2 people, 6.45%
  9. Lung Cancer - Non-Small Cell (lung cancer): 2 people, 6.45%
  10. Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 2 people, 6.45%

* Approximation only. Some reports may have incomplete information.

Do you take Famotidine and Norfloxacin?

Personalize this study to your gender and age

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

Drug side effects by duration, gender and age:

Common Famotidine drug interactions:

Browse interactions between Famotidine 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

Common Norfloxacin drug interactions:

Browse interactions between Norfloxacin 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 famotidine and norfloxacin (the active ingredients of Famotidine and Norfloxacin, respectively), and Famotidine and Norfloxacin (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. Patients in the study may take other drugs besides Famotidine and Norfloxacin.

Who is eHealthMe?

With medical big data and proven AI 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 700+ 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: 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.

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