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

Summary:

Drug interactions are reported among people who take Nadolol (nadolol) and Viagra (sildenafil citrate). Common drug interactions include hepatic neoplasm malignant among females and transient ischaemic attack among males.

The phase IV clinical study analyzes what interactions people have when they take Nadolol and Viagra. It is created by eHealthMe based on reports of 28 people who take the same drugs from the FDA, and is updated regularly.

What is Nadolol?

Nadolol has active ingredients of nadolol. It is often used in high blood pressure. eHealthMe is studying from 4,476 Nadolol users. Check the latest studies of Nadolol.

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, 16, 2026

28 people who take Nadolol and Viagra together, and have interactions are studied.

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

female:

Hepatic neoplasm malignant (liver cancer)
Hyperglycaemia (high blood sugar)
Hypocalcaemia (levels of calcium in blood serum are abnormally low)
Tremor (trembling or shaking movements in one or more parts of your body)
Ammonia increased
Erythema (redness of the skin)
Hepatic steatosis (fatty liver disease)
Hypoalbuminaemia (levels of albumin in blood serum are abnormally low)
Lymphadenopathy (disease or enlargement of lymph nodes)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)

male:

Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
Brain stem infarction (brainstem stroke)
Haematocrit increased
Haemoglobin increased
Asthenia (weakness)
Burning sensation
Cardiomegaly (increased size of heart than normal)
Erythema (redness of the skin)
Sensory disturbance (sense disturbance)
Cerebral infarction (less blood supply to brain resulting tissue damage)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Asthenia (weakness)
Chest discomfort

30-39:

Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
Brain stem infarction (brainstem stroke)
Lacunar infarction (a type of stroke)
Cold sweat
Dysstasia (difficulty in standing)
Gamma-glutamyltransferase increased
Haematocrit increased
Haemoglobin increased
Hypotension (abnormally low blood pressure)
Cardiomegaly (increased size of heart than normal)

40-49:

Hypoproteinaemia (too little prolactin circulating in the blood)
Inflammation
Oedema (fluid collection in tissue)
Oesophageal ulcer (ulcer of oesophagus)
Renal disorder (kidney disease)
Renal impairment (severely reduced kidney function)
Spinal fracture (fracture in one of vertebrae)
Urinary tract infection
Abdominal distension
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)

50-59:

Pneumonia
Sepsis (a severe blood infection that can lead to organ failure and death)
Hypotension (abnormally low blood pressure)

60+:

Blood pressure decreased
Flushing (the warm, red condition of human skin)
Blindness unilateral
Cold sweat
Cough
Drug effect delayed
Drug ineffective
Dry mouth
Ejaculation disorder
Fall

What are the existing conditions these people have? *

Pulmonary Hypertension (increase in blood pressure in the lung artery): 4 people, 14.29%
Pain: 4 people, 14.29%
Blood Pressure Abnormal: 4 people, 14.29%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 10.71%
Sleep Disorder: 2 people, 7.14%
Hepatitis C: 2 people, 7.14%
Depression: 2 people, 7.14%

* Approximation only. Some reports may have incomplete information.

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