Simcor and Diltiazem hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Simcor (niacin; simvastatin) and Diltiazem hydrochloride (diltiazem hydrochloride). Common drug interactions include flushing among females and blood glucose increased among males.

The phase IV clinical study analyzes what interactions people have when they take Simcor and Diltiazem hydrochloride. It is created by eHealthMe based on reports of 11 people who take the same drugs from the FDA, and is updated regularly.

What is Simcor?

Simcor has active ingredients of niacin; simvastatin. It is often used in high blood cholesterol. eHealthMe is studying from 11,604 Simcor users. Check the latest studies of Simcor.

What is Diltiazem hydrochloride?

Diltiazem hydrochloride has active ingredients of diltiazem hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 14,897 Diltiazem hydrochloride users. Check the latest studies of Diltiazem hydrochloride.

On Jul, 19, 2026

11 people who take Simcor and Diltiazem hydrochloride together, and have interactions are studied.

Simcor and Diltiazem hydrochloride drug interactions.

What are the common drug interactions of Simcor and Diltiazem Hydrochloride, by gender? *:

female:

Flushing (the warm, red condition of human skin)
Burning sensation
Constipation
Feeling hot
Generalised erythema (redness of the skin all over the body)
Middle insomnia (difficulty returning to sleep after awakening either in the middle of the night)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Skin burning sensation

male:

Blood glucose increased
Blood glucose decreased
Night sweats (sweating in night)
Oedema peripheral (superficial swelling)
Pruritus (severe itching of the skin)
Pyrexia (fever)
Swelling face
Discomfort
Dizziness
Dyspnoea (difficult or laboured respiration)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Pruritus (severe itching of the skin)

40-49:

n/a

50-59:

n/a

60+:

Blood glucose increased
Blood glucose decreased
Night sweats (sweating in night)
Oedema peripheral (superficial swelling)
Pyrexia (fever)
Swelling face
Discomfort
Dizziness
Dyspnoea (difficult or laboured respiration)
Feeling hot

What are the existing conditions these people have? *

High Density Lipoprotein Decreased: 2 people, 18.18%
Skin Blushing/flushing (a sudden reddening of the face, neck): 1 person, 9.09%
Pain: 1 person, 9.09%
Insomnia (sleeplessness): 1 person, 9.09%
Depression: 1 person, 9.09%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

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