Niacin and Plendil drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Niacin (niacin) and Plendil (felodipine). Common drug interactions include abdominal discomfort among females and abdominal discomfort among males.

The phase IV clinical study analyzes what interactions people have when they take Niacin and Plendil. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is Niacin?

Niacin has active ingredients of niacin. It is often used in high blood cholesterol. eHealthMe is studying from 9,008 Niacin users. Check the latest studies of Niacin.

What is Plendil?

Plendil has active ingredients of felodipine. It is often used in high blood pressure. eHealthMe is studying from 4,990 Plendil users. Check the latest studies of Plendil.

On Jul, 13, 2026

19 people who take Niacin and Plendil together, and have interactions are studied.

What are the common drug interactions of Niacin and Plendil, by gender? *:

female:

Abdominal discomfort
Abdominal pain upper
Abscess jaw (tooth abscess or root abscess)
Alpha haemolytic streptococcal infection (infections with alpha-haemolytic strep bacteria are common; many strains live naturally in humans)
Bone density decreased
Cellulitis (infection under the skin)
Deformity (disfigurement)
Dental caries
Dyspepsia (indigestion)
Excessive granulation tissue (excessive collagen-rich tissue which forms at the site of an injury)

male:

Abdominal discomfort
Alpha haemolytic streptococcal infection (infections with alpha-haemolytic strep bacteria are common; many strains live naturally in humans)
Swelling face
Tenderness (pain or discomfort when an affected area is touched)
Toothache (tooth pain)
White blood cell count increased
Wound dehiscence (a surgical incision reopens either internally or externally)
Abscess jaw (tooth abscess or root abscess)
Mastication disorder (disease of chewing food)
Abdominal pain

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Abdominal pain
Blood amylase increased
Lipase increased
Pancreatitis (inflammation of pancreas)
Pancreatitis acute (sudden inflammation of pancreas)

40-49:

n/a

50-59:

n/a

60+:

Tenderness (pain or discomfort when an affected area is touched)
Arthralgia (joint pain)
Abdominal discomfort
Alpha haemolytic streptococcal infection (infections with alpha-haemolytic strep bacteria are common; many strains live naturally in humans)
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
Cellulitis (infection under the skin)
Dental caries
Excessive granulation tissue (excessive collagen-rich tissue which forms at the site of an injury)
Gingival swelling (gums swelling)
Groin pain

What are the existing conditions these people have? *

Osteopenia (a condition where bone mineral density is lower than normal): 5 people, 26.32%
Restless Leg Syndrome (a powerful urge to move your legs): 2 people, 10.53%
Psoriasis (immune-mediated disease that affects the skin): 1 person, 5.26%
Pain: 1 person, 5.26%
Osteoporosis (bones weak and more likely to break): 1 person, 5.26%
Neuralgia (pain in one or more nerves): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

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