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

Summary:

Drug interactions are reported among people who take Tacrolimus (tacrolimus) and Viagra (sildenafil citrate). Common drug interactions include cardiorenal syndrome among females and renal failure among males.

The phase IV clinical study analyzes what interactions people have when they take Tacrolimus and Viagra. It is created by eHealthMe based on reports of 95 people who take the same drugs from the FDA, and is updated regularly.

What is Tacrolimus?

Tacrolimus has active ingredients of tacrolimus. It is often used in kidney transplant. eHealthMe is studying from 116,160 Tacrolimus users. Check the latest studies of Tacrolimus.

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 Jul, 12, 2026

95 people who take Tacrolimus and Viagra together, and have interactions are studied.

Tacrolimus and Viagra drug interactions.

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

female:

Cardiorenal syndrome (kidney failure and heart failure)
Chest discomfort
Claustrophobia (fear of having no escape and being closed in small spaces)
Decubitus ulcer (a chronic ulcer of the skin caused by prolonged pressure on it)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Dyspnoea (difficult or laboured respiration)
Encephalopathy (functioning of the brain is affected by some agent or condition)
Endometrial cancer
Endometrial hyperplasia (enlargement of uterus wall)
Fatigue (feeling of tiredness)

male:

Renal failure (kidney dysfunction)
Chronic kidney disease
Osteoporosis (bones weak and more likely to break)
Drug ineffective
Duodenal atresia (absence or complete closure of a portion of the lumen of the duodenum)
Emotional distress
Heart rate decreased
Hot flush (sudden feelings of heat)
Influenza
Intestinal obstruction

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Abdominal infection
Abdominal pain upper
Acidosis (build-up of carbon dioxide in the blood)
Arterial occlusive disease (slow process through which arteries throughout the body become progressively narrowed and eventually completely blocked)
Asthenia (weakness)
Back pain
Blood cholesterol increased
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Bronchopleural fistula
Cardiac failure congestive

30-39:

Anxiety
Chronic kidney disease
Depression
Renal failure (kidney dysfunction)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Nephrogenic anaemia (anaemia due to kidney disease)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Rash
Red blood cell count decreased
Tremor (trembling or shaking movements in one or more parts of your body)

40-49:

Chronic kidney disease
Renal failure (kidney dysfunction)
Nephrogenic anaemia (anaemia due to kidney disease)
Headache (pain in head)
Pain
Dysarthria (speech disorder)
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Aortic aneurysm (enlargement of an aortic artery caused by a weakening of the artery wall)
Arteriovenous malformation

50-59:

Diarrhoea
Headache (pain in head)
Vomiting
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Depressed mood
Discomfort
Disturbance in attention
Drug ineffective
Emotional disorder
Emotional distress

60+:

Renal failure (kidney dysfunction)
Blood pressure systolic increased
Anxiety
Bone density decreased
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Osteoporosis (bones weak and more likely to break)
Pain
Pleural effusion (water on the lungs)
Pulmonary embolism (blockage of the main artery of the lung)
Dyspnoea (difficult or laboured respiration)

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 18 people, 18.95%
High Blood Pressure: 17 people, 17.89%
Pain: 14 people, 14.74%
Infection: 11 people, 11.58%
Hiv Infection: 10 people, 10.53%
High Blood Cholesterol: 10 people, 10.53%
Stress And Anxiety: 6 people, 6.32%
Indigestion: 6 people, 6.32%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 6 people, 6.32%
Depression: 6 people, 6.32%

* Approximation only. Some reports may have incomplete information.

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