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

Summary:

Drug interactions are reported among people who take Quetiapine fumarate (quetiapine fumarate) and Viagra (sildenafil citrate). Common drug interactions include thirst among females and drug ineffective among males.

The phase IV clinical study analyzes what interactions people have when they take Quetiapine fumarate and Viagra. It is created by eHealthMe based on reports of 26 people who take the same drugs from the FDA, and is updated regularly.

What is Quetiapine fumarate?

Quetiapine fumarate has active ingredients of quetiapine fumarate. It is often used in insomnia. eHealthMe is studying from 29,526 Quetiapine fumarate users. Check the latest studies of Quetiapine fumarate.

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 Jun, 07, 2026

26 people who take Quetiapine fumarate and Viagra together, and have interactions are studied.

Quetiapine fumarate and Viagra drug interactions.

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

female:

  1. Thirst

male:

  1. Drug ineffective
  2. Anxiety
  3. Blood pressure decreased
  4. Therapeutic response unexpected
  5. Weight decreased
  6. Bone density decreased
  7. Drug dependence
  8. Gait disturbance
  9. Hallucination, visual (seeing things that aren't there)
  10. Joint injury

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Blood urine present
  2. Diarrhoea
  3. Drug ineffective
  4. Hypoaesthesia (reduced sense of touch or sensation)
  5. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  6. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)

30-39:

  1. Back pain
  2. Flushing (the warm, red condition of human skin)
  3. Headache (pain in head)

40-49:

n/a

50-59:

  1. Renal impairment (severely reduced kidney function)
  2. Anhedonia (inability to experience pleasure from activities usually found enjoyable)
  3. Anxiety
  4. Chronic kidney disease
  5. Emotional distress
  6. Pain
  7. Blood creatinine increased
  8. Bone density decreased
  9. Hyperkalaemia (damage to or disease of the kidney)
  10. Joint injury

60+:

  1. Drug ineffective
  2. Malignant melanoma (skin cancer rises from melancytes)
  3. Emotional distress
  4. Joint injury
  5. Osteopenia (a condition where bone mineral density is lower than normal)
  6. Osteoporosis (bones weak and more likely to break)
  7. Pain
  8. Prostate cancer
  9. Renal impairment (severely reduced kidney function)
  10. Blood pressure decreased

What are the existing conditions these people have? *

  1. Pain: 4 people, 15.38%
  2. Hiv Infection: 4 people, 15.38%
  3. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 11.54%
  4. High Blood Pressure: 3 people, 11.54%
  5. Blood Pressure Abnormal: 3 people, 11.54%
  6. Stress And Anxiety: 2 people, 7.69%
  7. Rickets (softening of bones): 2 people, 7.69%
  8. Penis Disorder: 2 people, 7.69%
  9. Muscle Spasms (muscle contraction): 2 people, 7.69%
  10. Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 2 people, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Quetiapine fumarate and Viagra?

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Related studies:

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

Browse all drug interactions of Quetiapine fumarate and 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

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 Quetiapine fumarate:

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 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 Quetiapine fumarate 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 quetiapine fumarate and sildenafil citrate (the active ingredients of Quetiapine fumarate and Viagra, respectively), and Quetiapine fumarate 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.

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