Gemcitabine and Viagra drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Gemcitabine (gemcitabine) and Viagra (sildenafil citrate). Common drug interactions include pain among males.

The phase IV clinical study analyzes what interactions people have when they take Gemcitabine and Viagra. It is created by eHealthMe based on reports of 6 people who take the same drugs from the FDA, and is updated regularly.

What is Gemcitabine?

Gemcitabine has active ingredients of gemcitabine. eHealthMe is studying from 31,337 Gemcitabine users. Check the latest studies of Gemcitabine.

What is Viagra?

Viagra has active ingredients of sildenafil citrate. It is often used in erection problems. eHealthMe is studying from 63,865 Viagra users. Check the latest studies of Viagra.



On May, 28, 2026

6 people who take Gemcitabine and Viagra together, and have interactions are studied.

Gemcitabine and Viagra drug interactions.

What are the common drug interactions of Gemcitabine and Viagra, by gender? *:

female:

n/a

male:

  1. Pain
  2. Leukopenia (less number of white blood cells in blood)
  3. Chest pain
  4. Confusional state
  5. Constipation
  6. Electrolyte imbalance
  7. Encephalopathy (functioning of the brain is affected by some agent or condition)
  8. Fall
  9. Gait disturbance
  10. Hypercalcaemia (elevated calcium (ca+) level in the blood)

What are the common drug interactions of Gemcitabine and Viagra, 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. Abdominal distension
  2. Anaemia (lack of blood)
  3. Anxiety
  4. Blood creatinine increased
  5. Chest pain
  6. Constipation
  7. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  8. Electrolyte imbalance
  9. Fall
  10. Gait disturbance

60+:

  1. Pain
  2. Ascites (accumulation of fluid in the abdominal cavity)
  3. Abdominal distension
  4. Anaemia (lack of blood)
  5. Anxiety
  6. Blood creatinine increased
  7. Chest pain
  8. Constipation
  9. Electrolyte imbalance
  10. Fall

* Approximation only. Some reports may have incomplete information.

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

Browse all drug interactions of Gemcitabine and Viagra:

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Browse all side effects of Gemcitabine:

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Browse all side effects of Viagra:

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 Gemcitabine 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 Viagra 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on gemcitabine and sildenafil citrate (the active ingredients of Gemcitabine and Viagra, respectively), and Gemcitabine and Viagra (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.



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