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

Summary:

Drug interactions are reported among people who take Ranexa (ranolazine) and Viagra (sildenafil citrate). Common drug interactions include epilepsy among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Ranexa and Viagra. It is created by eHealthMe based on reports of 57 people who take the same drugs from the FDA, and is updated regularly.

What is Ranexa?

Ranexa has active ingredients of ranolazine. It is often used in angina. eHealthMe is studying from 11,758 Ranexa users. Check the latest studies of Ranexa.

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, 17, 2026

57 people who take Ranexa and Viagra together, and have interactions are studied.

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

female:

Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures)
Liver disorder (liver diseases)
Anaemia (lack of blood)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Cough
Renal failure acute (rapid kidney dysfunction)
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
Rhinorrhoea (watery mucus discharge from the nose)
Transaminases increased

male:

Chronic kidney disease
Renal failure (kidney dysfunction)
Activities of daily living impaired
Back disorder
Cataract (clouding of the lens inside the eye)
Cervical vertebral fracture
Electric shock
General physical health deterioration (weak health status)
Hernia (hernia happens when part of an internal organ or tissue bulges through a weak area of muscle)
Joint injury

What are the common drug interactions of Ranexa 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:

Chronic kidney disease
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures)
Nephrogenic anaemia (anaemia due to kidney disease)
Renal failure (kidney dysfunction)
Anaemia (lack of blood)
Cough
Dyspepsia (indigestion)
Renal failure acute (rapid kidney dysfunction)
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
Rhinorrhoea (watery mucus discharge from the nose)

50-59:

Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
Drug ineffective
Accident at work
Activities of daily living impaired
Back disorder
Cataract (clouding of the lens inside the eye)
Cervical vertebral fracture
Dyspnoea (difficult or laboured respiration)
Electric shock
General physical health deterioration (weak health status)

60+:

Chronic kidney disease
Renal failure (kidney dysfunction)
Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
Death
Fluid overload (too much fluid in the blood)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Muscular weakness (muscle weakness)
Pain in extremity
Pneumonia
Syncope (loss of consciousness with an inability to maintain postural tone)

What are the existing conditions these people have? *

High Blood Cholesterol: 16 people, 28.07%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 14 people, 24.56%
Cardiac Disorder: 9 people, 15.79%
Diabetes: 9 people, 15.79%
High Blood Pressure: 8 people, 14.04%
Pain: 7 people, 12.28%
Sleep Disorder: 6 people, 10.53%
Stable Angina (a constant chest pain): 5 people, 8.77%
Hypersensitivity: 4 people, 7.02%
Indigestion: 4 people, 7.02%

* Approximation only. Some reports may have incomplete information.

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