Zelnorm and Corgard drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zelnorm (tegaserod maleate) and Corgard (nadolol). Common drug interactions include malaise among females and headache among males.

The phase IV clinical study analyzes what interactions people have when they take Zelnorm and Corgard. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Zelnorm?

Zelnorm has active ingredients of tegaserod maleate. eHealthMe is studying from 7,261 Zelnorm users. Check the latest studies of Zelnorm.

What is Corgard?

Corgard has active ingredients of nadolol. It is often used in high blood pressure. eHealthMe is studying from 3,342 Corgard users. Check the latest studies of Corgard.

On Jul, 08, 2026

12 people who take Zelnorm and Corgard together, and have interactions are studied.

What are the common drug interactions of Zelnorm and Corgard, by gender? *:

female:

Malaise (a feeling of general discomfort or uneasiness)
Palpitations (feelings or sensations that your heart is pounding or racing)
Pruritus (severe itching of the skin)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
Tremor (trembling or shaking movements in one or more parts of your body)
Affect lability (emotional incontinence)
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)
Cardiac disorder
Confusional state
Constipation

male:

Headache (pain in head)
Myalgia (muscle pain)
Nausea (feeling of having an urge to vomit)
Tinnitus (a ringing in the ears)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Asthenia (weakness)
Dehydration (dryness resulting from the removal of water)
Diarrhoea
Malaise (a feeling of general discomfort or uneasiness)
Tremor (trembling or shaking movements in one or more parts of your body)
Vomiting

40-49:

Facial palsy (paralysis of face nerve)
Palpitations (feelings or sensations that your heart is pounding or racing)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))

50-59:

Constipation
Drug ineffective
Rectal haemorrhage (bleeding from anus)

60+:

Extrasystoles
Pruritus (severe itching of the skin)
Tinnitus (a ringing in the ears)
Vomiting
Affect lability (emotional incontinence)
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)
Cardiac disorder
Confusional state
General physical health deterioration (weak health status)
Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)

What are the existing conditions these people have? *

Irritable Bowel Syndrome: 5 people, 41.67%
Migraine (headache): 2 people, 16.67%
Gastrointestinal Motility Disorder (abnormal intestinal contractions): 2 people, 16.67%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 16.67%
Constipation: 1 person, 8.33%
Breast Cancer: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

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