Timoptic and Centrum drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Timoptic (timolol maleate) and Centrum (ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e). Common drug interactions include full blood count decreased among females and pain among males.

The phase IV clinical study analyzes what interactions people have when they take Timoptic and Centrum. It is created by eHealthMe based on reports of 41 people who take the same drugs from the FDA, and is updated regularly.

What is Timoptic?

Timoptic has active ingredients of timolol maleate. It is often used in glaucoma. eHealthMe is studying from 4,247 Timoptic users. Check the latest studies of Timoptic.

What is Centrum?

Centrum 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 34,686 Centrum users. Check the latest studies of Centrum.

On Aug, 09, 2026

41 people who take Timoptic and Centrum together, and have interactions are studied.

What are the common drug interactions of Timoptic and Centrum, by gender? *:

female:

Full blood count decreased
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Gingival bleeding (bleeding gums)
Haemorrhage (bleeding)
Hallucination (an experience involving the perception of something not present)
Hot flush (sudden feelings of heat)
Hypercholesterolaemia (high levels of cholesterol in the blood)
Hypertension (high blood pressure)
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
Infection

male:

Pain
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Collapse (sudden functional breakdown)
Conjunctival hyperaemia (congestion of conjunctival vessels)
Death
Diarrhoea
Dizziness
Drug ineffective
Encephalopathy (functioning of the brain is affected by some agent or condition)

What are the common drug interactions of Timoptic and Centrum, 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:

n/a

50-59:

Memory impairment
Menopause (end of monthly cycles in women)
Ocular hyperaemia (an abnormally large amount of blood in eye)
Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
Retinal detachment (a disorder of the eye in which the retina peels away from its underlying layer of support tissue)
Visual acuity reduced (reduced clearness of vision)
Chest pain
Depression
Dyspnoea (difficult or laboured respiration)
Injection site pain

60+:

Constipation
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Chest pain
Contusion (a type of hematoma of tissue in which capillaries)
Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
Coronary artery stenosis (narrowing of coronary artery)
Depression
Dizziness
Dyspnoea (difficult or laboured respiration)
Erythema (redness of the skin)

What are the existing conditions these people have? *

Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 5 people, 12.20%
Multiple Myeloma (cancer of the plasma cells): 5 people, 12.20%
High Blood Pressure: 5 people, 12.20%
Pain: 4 people, 9.76%
High Blood Cholesterol: 4 people, 9.76%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 3 people, 7.32%
Diabetes: 3 people, 7.32%

* Approximation only. Some reports may have incomplete information.

Do you take Timoptic and Centrum?

- 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