Isoptin sr and Acetaminophen drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Isoptin sr (verapamil hydrochloride) and Acetaminophen (acetaminophen). Common drug interactions include areflexia among females and hypotension among males.

The phase IV clinical study analyzes what interactions people have when they take Isoptin sr and Acetaminophen. It is created by eHealthMe based on reports of 21 people who take the same drugs from the FDA, and is updated regularly.

What is Isoptin sr?

Isoptin sr has active ingredients of verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 850 Isoptin sr users. Check the latest studies of Isoptin sr.

What is Acetaminophen?

Acetaminophen has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 183,077 Acetaminophen users. Check the latest studies of Acetaminophen.

On Jul, 19, 2026

21 people who take Isoptin sr and Acetaminophen together, and have interactions are studied.

Isoptin sr and Acetaminophen drug interactions.

What are the common drug interactions of Isoptin Sr and Acetaminophen, by gender? *:

female:

Areflexia (absence of a reflex)
Cardiac failure
Diverticular perforation (serious gastrointestinal condition in which the intestine's walls are perforated)
Dysphagia (a condition in which swallowing is difficult or painful)
Dystonia (abnormal muscle tone)
Eyelid ptosis (falling of the upper or lower eyelid)
Hypokalaemia (low potassium)
Hypotonia (low muscle tone)
Iron deficiency anaemia
Myasthenic syndrome (a group of conditions characterized by muscle weakness (myasthenia) that worsens with physical exertion)

male:

Hypotension (abnormally low blood pressure)
Angina pectoris (chest pain due to ischemia of the heart muscle)
Areflexia (absence of a reflex)
Completed suicide (act of taking one's own life)
Disease recurrence
Hepatitis cholestatic (flow of bile from the liver is slowed or blocked)
Ischaemic stroke (stroke; caused by an interruption in the flow of blood to the brain)
Respiratory distress (difficulty in breathing)
Respiratory failure (inadequate gas exchange by the respiratory system)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Cardiac arrest
Completed suicide (act of taking one's own life)
Respiratory arrest (cessation of normal respiration due to failure of the lungs to function effectively)

40-49:

Completed suicide (act of taking one's own life)
Hypotension (abnormally low blood pressure)
Multiple drug overdose

50-59:

n/a

60+:

Areflexia (absence of a reflex)
Fall
Iron deficiency anaemia
Myasthenic syndrome (a group of conditions characterized by muscle weakness (myasthenia) that worsens with physical exertion)
Neuropathy peripheral (surface nerve damage)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Quadriplegia (a four limb paralysis)
Renal failure (kidney dysfunction)
Speech disorder
Vasculitis (inflammation of a blood vessel or blood vessels)

What are the existing conditions these people have? *

Urinary Tract Infection: 3 people, 14.29%
Headache (pain in head): 3 people, 14.29%
Essential Hypertension (primary hypertension): 3 people, 14.29%
Infection: 2 people, 9.52%
Ill-Defined Disorder: 2 people, 9.52%

* Approximation only. Some reports may have incomplete information.

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