Doxazosin mesylate and Isoptin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Doxazosin mesylate (doxazosin mesylate) and Isoptin (verapamil hydrochloride). Common drug interactions include overdose among females and atrial fibrillation among males.

The phase IV clinical study analyzes what interactions people have when they take Doxazosin mesylate and Isoptin. 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 Doxazosin mesylate?

Doxazosin mesylate has active ingredients of doxazosin mesylate. It is often used in high blood pressure. eHealthMe is studying from 11,975 Doxazosin mesylate users. Check the latest studies of Doxazosin mesylate.

What is Isoptin?

Isoptin has active ingredients of verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 5,539 Isoptin users. Check the latest studies of Isoptin.

On Jul, 09, 2026

12 people who take Doxazosin mesylate and Isoptin together, and have interactions are studied.

Doxazosin mesylate and Isoptin drug interactions.

What are the common drug interactions of Doxazosin Mesylate and Isoptin, by gender? *:

female:

Overdose
Suicide attempt
Alopecia (absence of hair from areas of the body)

male:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Malignant pleural effusion (a condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue lining of lung)
Heart rate irregular
Pneumonia
Chest discomfort
Dizziness
Dyspnoea (difficult or laboured respiration)
Hypocalcaemia (levels of calcium in blood serum are abnormally low)
Hypokalaemia (low potassium)
Inappropriate antidiuretic hormone secretion

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Overdose
Suicide attempt

30-39:

n/a

40-49:

n/a

50-59:

Vomiting
Bronchostenosis (narrowing of a bronchial tube by scarring or other stricture)
Erythema (redness of the skin)
Flushing (the warm, red condition of human skin)
Chest discomfort
Dizziness
Drug ineffective
Hypocalcaemia (levels of calcium in blood serum are abnormally low)
Nodal arrhythmia (an irregular heart beat originating from within the atrioventricular node)
Overdose

60+:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Malignant pleural effusion (a condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue lining of lung)
Hypokalaemia (low potassium)
Inappropriate antidiuretic hormone secretion
Leukopenia (less number of white blood cells in blood)
Lung infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung)
Malaise (a feeling of general discomfort or uneasiness)
Neutropenia (an abnormally low number of neutrophils)
Pleural effusion (water on the lungs)
Post procedural complication

What are the existing conditions these people have? *

Suicide Attempt: 2 people, 16.67%
Essential Hypertension (primary hypertension): 2 people, 16.67%
Asthma: 2 people, 16.67%
Lung Cancer - Non-Small Cell (lung cancer): 1 person, 8.33%
Heart Disease: 1 person, 8.33%
Diabetes: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Doxazosin mesylate and Isoptin?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously