Vitamins and Tiazac drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamins (ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e) and Tiazac (diltiazem hydrochloride). Common drug interactions include pain among females and pain among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamins and Tiazac. It is created by eHealthMe based on reports of 61 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamins?

Vitamins has active ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e. It is often used in vitamin supplementation. eHealthMe is studying from 122,456 Vitamins users. Check the latest studies of Vitamins.

What is Tiazac?

Tiazac has active ingredients of diltiazem hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 4,761 Tiazac users. Check the latest studies of Tiazac.

On Jul, 14, 2026

61 people who take Vitamins and Tiazac together, and have interactions are studied.

What are the common drug interactions of Vitamins and Tiazac, by gender? *:

female:

Pain
Abdominal pain upper
Diarrhoea
Dyspnoea (difficult or laboured respiration)
Fall
Haematoma (collection of blood outside the blood vessels)
Malaise (a feeling of general discomfort or uneasiness)
Nausea (feeling of having an urge to vomit)
Pain in extremity
Pneumonia

male:

Pain
Anxiety
Bone disorder
Cerebral atrophy (decrement in size of brain)
Intervertebral disc protrusion (spinal disc protrusion)
Left ventricular dysfunction
Oral pain
Osteonecrosis of jaw (death of bone of jaw)
Scoliosis (a medical condition in which a person's spine is curved from side to side)
Stomatitis (inflammation of mucous membrane of mouth)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Adrenocortical insufficiency acute (suddenly adrenal glands do not produce adequate amounts of steroid hormones)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Infection
Pneumonia
Arthritis (form of joint disorder that involves inflammation of one or more joints)
C-reactive protein increased
Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
Gastritis (inflammation of stomach)
Gravitational oedema (abnormally large fluid volume in the circulatory system makes obese)
Musculoskeletal chest pain (pain in chest muscle or nerve or bones)

50-59:

Haematoma (collection of blood outside the blood vessels)
Headache (pain in head)
Malaise (a feeling of general discomfort or uneasiness)
Nausea (feeling of having an urge to vomit)
Pain
Tenderness (pain or discomfort when an affected area is touched)
Weight increased
Abdominal pain
Abdominal pain upper
Alanine aminotransferase increased

60+:

Anxiety
Fall
Lung infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung)
Osteonecrosis of jaw (death of bone of jaw)
Spinal osteoarthritis (joint cartilage loss in spine)
Syncope (loss of consciousness with an inability to maintain postural tone)
Bone disorder
Cerebral atrophy (decrement in size of brain)
Cerebral ischaemia (insufficient blood flow to the brain to meet metabolic demand)
Confusional state

What are the existing conditions these people have? *

Metastases To Bone (cancer spreads to bone): 9 people, 14.75%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 9 people, 14.75%
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): 8 people, 13.11%
High Blood Cholesterol: 6 people, 9.84%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 6.56%
Osteoporosis (bones weak and more likely to break): 4 people, 6.56%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 6.56%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamins and Tiazac?

- 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