Benadryl and Ciloxan drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Benadryl (diphenhydramine hydrochloride) and Ciloxan (ciprofloxacin hydrochloride). Common drug interactions include chronic kidney disease among females and abdominal pain among males.

The phase IV clinical study analyzes what interactions people have when they take Benadryl and Ciloxan. It is created by eHealthMe based on reports of 20 people who take the same drugs from the FDA, and is updated regularly.

What is Benadryl?

Benadryl has active ingredients of diphenhydramine hydrochloride. It is often used in allergies. eHealthMe is studying from 104,955 Benadryl users. Check the latest studies of Benadryl.

What is Ciloxan?

Ciloxan has active ingredients of ciprofloxacin hydrochloride. eHealthMe is studying from 613 Ciloxan users. Check the latest studies of Ciloxan.



On Aug, 06, 2026

20 people who take Benadryl and Ciloxan together, and have interactions are studied.

Benadryl and Ciloxan drug interactions.

What are the common drug interactions of Benadryl and Ciloxan, by gender? *:

female:

  1. Chronic kidney disease
  2. Renal failure (kidney dysfunction)
  3. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  4. Cardiac failure congestive
  5. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  6. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  7. Hypotension (abnormally low blood pressure)
  8. Ileus (a painful obstruction of the ileum or other part of the intestine)
  9. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  10. Sepsis (a severe blood infection that can lead to organ failure and death)

male:

  1. Abdominal pain
  2. Anxiety
  3. Cellulitis (infection under the skin)
  4. Chest pain
  5. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  6. Chronic obstructive airways disease
  7. Constipation
  8. Cor pulmonale (enlargement of the right ventricle of the heart)
  9. Diarrhoea
  10. Drug hypersensitivity

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

  1. Asthma
  2. Bronchial hyperreactivity
  3. Respiratory tract infection

60+:

  1. Cardiac failure congestive
  2. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  3. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  4. Breast cancer male
  5. Breast lump (localized swelling that feels different from the surrounding breast tissue)
  6. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  7. Cellulitis (infection under the skin)
  8. Chest pain
  9. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  10. Chronic kidney disease

What are the existing conditions these people have? *

  1. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 10 people, 50.00%
  2. Pain: 5 people, 25.00%
  3. High Blood Cholesterol: 4 people, 20.00%
  4. Diabetes: 4 people, 20.00%
  5. Headache (pain in head): 4 people, 20.00%
  6. Infection: 4 people, 20.00%
  7. Hypovitaminosis (any of several diseases caused by deficiency of one or more vitamins): 4 people, 20.00%
  8. Blood Pressure Abnormal: 3 people, 15.00%
  9. Hypersensitivity: 2 people, 10.00%
  10. Weakness: 2 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Benadryl and Ciloxan?

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Related studies:

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

Browse all drug interactions of Benadryl and Ciloxan:

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 Benadryl:

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 Ciloxan:

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 Benadryl 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 Ciloxan 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 diphenhydramine hydrochloride and ciprofloxacin hydrochloride (the active ingredients of Benadryl and Ciloxan, respectively), and Benadryl and Ciloxan (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.

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