Niaspan and Drisdol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Niaspan (niacin) and Drisdol (ergocalciferol). Common drug interactions include atrial fibrillation among females and lactic acidosis among males.

The phase IV clinical study analyzes what interactions people have when they take Niaspan and Drisdol. It is created by eHealthMe based on reports of 14 people who take the same drugs from the FDA, and is updated regularly.

What is Niaspan?

Niaspan has active ingredients of niacin. It is often used in high blood cholesterol. eHealthMe is studying from 45,453 Niaspan users. Check the latest studies of Niaspan.

What is Drisdol?

Drisdol has active ingredients of ergocalciferol. It is often used in vitamin d. eHealthMe is studying from 1,740 Drisdol users. Check the latest studies of Drisdol.

On Jul, 10, 2026

14 people who take Niaspan and Drisdol together, and have interactions are studied.

What are the common drug interactions of Niaspan and Drisdol, by gender? *:

female:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Drug ineffective
Glaucoma (increased fluid pressure in the eye with vision loss)
Hepatic steatosis (fatty liver disease)
Hypertriglyceridaemia (excess of triglycerides in the blood)
Insulin resistance
Nasopharyngitis (inflammation of the nasopharynx)
Thyroid neoplasm (tumour of thyroid)
Weight increased

male:

Lactic acidosis (low ph in body tissues)
Paraganglion neoplasm (paraganglion tumour)
Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Pneumonia
Lung infection
Cardiac failure congestive
Dehydration (dryness resulting from the removal of water)
Drug ineffective
General physical health deterioration (weak health status)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Colitis (inflammation of colon)

40-49:

n/a

50-59:

Lactic acidosis (low ph in body tissues)
Paraganglion neoplasm (paraganglion tumour)
Lung infection
Pneumonia
Chronic kidney disease
Drug ineffective
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Nephrogenic anaemia (anaemia due to kidney disease)

60+:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Thyroid neoplasm (tumour of thyroid)
Metastases to peritoneum (cancer spreads to peritoneum)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Ovarian cancer metastatic (cancer of ovary spreads to other organ or parts)
Pancreatic carcinoma metastatic (pancreatic cancer- metastatic)
Pneumonia
Ascites (accumulation of fluid in the abdominal cavity)
Cardiac failure congestive
Dehydration (dryness resulting from the removal of water)

What are the existing conditions these people have? *

Pain: 7 people, 50.00%
Agitation (state of anxiety or nervous excitement): 4 people, 28.57%
Multiple Myeloma (cancer of the plasma cells): 4 people, 28.57%
Constipation: 4 people, 28.57%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 28.57%
Nausea And Vomiting: 4 people, 28.57%
Hypersensitivity: 4 people, 28.57%
High Blood Pressure: 3 people, 21.43%
Hyperlipidaemia (presence of excess lipids in the blood): 3 people, 21.43%
Type 2 Diabetes: 3 people, 21.43%

* Approximation only. Some reports may have incomplete information.

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