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

Summary:

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

The phase IV clinical study analyzes what interactions people have when they take Delsym and Vitamins. It is created by eHealthMe based on reports of 62 people who take the same drugs from the FDA, and is updated regularly.

What is Delsym?

Delsym has active ingredients of dextromethorphan polistirex. It is often used in cough. eHealthMe is studying from 5,033 Delsym users. Check the latest studies of Delsym.

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 122,457 Vitamins users. Check the latest studies of Vitamins.

On Aug, 04, 2026

62 people who take Delsym and Vitamins together, and have interactions are studied.

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

female:

Drug effect decreased
Drug hypersensitivity
Drug-induced liver injury (diseases of the liver that are caused by physician-prescribed medications)
Dry eye (lack of adequate tears)
Dry mouth
Dyspareunia (painful sexual intercourse)
Dyspnoea exertional (breathlessness or shortness of breath)
Emotional disorder
Eructation (release of gas from the digestive tract)
Essential hypertension (primary hypertension)

male:

Diarrhoea
Asthenia (weakness)
Chills (felling of cold)
Muscle spasms (muscle contraction)
Pain in extremity
Respiratory disorder (respiratory disease)
Stridor
Vocal cord paralysis
Angina unstable (chest pain due to ischemia of the heart muscle- unstable)
Anxiety

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

0-1:

n/a

2-9:

Respiratory tract congestion (blockage on respiratory system)

10-19:

n/a

20-29:

Anxiety
Hypertension (high blood pressure)
Infection
Overdose
Pain
Pain in extremity
Pyrexia (fever)
Swollen tongue (swelling of tongue)

30-39:

Pruritus (severe itching of the skin)
Rash pruritic (redness with itching)
Urticaria (rash of round, red welts on the skin that itch intensely)
Wound

40-49:

Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
Decreased appetite
Infusion site bruising
Infusion site pain
Nuchal rigidity (a resistance to flexion of the neck)
Photophobia (extreme sensitivity to light)
Post procedural discharge
Sinusitis (inflammation of sinus)
Somnolence (a state of near-sleep, a strong desire for sleep)

50-59:

Ankle fracture
Hypoparathyroidism (inadequate secretion of parathyroid hormone resulting in abnormally low levels of calcium in the blood)
Insomnia (sleeplessness)
Adverse drug reaction
Agitation (state of anxiety or nervous excitement)
Anxiety
Decreased appetite
Dizziness
Fall
Foot fracture

60+:

Diarrhoea
Nausea (feeling of having an urge to vomit)
Urinary tract infection
Ingrowing nail
Arthralgia (joint pain)
Chills (felling of cold)
Infusion site ulcer
Infusion site vesicles (fluid- or air-filled cavity or sac at infusion site)
Muscle spasms (muscle contraction)
Pain in extremity

What are the existing conditions these people have? *

Pain: 11 people, 17.74%
Muscle Spasms (muscle contraction): 11 people, 17.74%
Sinusitis (inflammation of sinus): 9 people, 14.52%
Asthma: 7 people, 11.29%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 8.06%
Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 5 people, 8.06%
Immunodeficiency Common Variable: 4 people, 6.45%

* Approximation only. Some reports may have incomplete information.

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