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

Summary:

Drug interactions are reported among people who take Delsym (dextromethorphan polistirex) and Ranitidine (ranitidine). Common drug interactions include arthralgia among females and adjustment disorder with depressed mood among males.

The phase IV clinical study analyzes what interactions people have when they take Delsym and Ranitidine. It is created by eHealthMe based on reports of 26 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 Ranitidine?

Ranitidine has active ingredients of ranitidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 234,475 Ranitidine users. Check the latest studies of Ranitidine.

On Aug, 12, 2026

26 people who take Delsym and Ranitidine together, and have interactions are studied.

Delsym and Ranitidine drug interactions.

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

female:

Arthralgia (joint pain)
Back pain
Fall
Nasopharyngitis (inflammation of the nasopharynx)
Pain in extremity
Peripheral swelling
Sinusitis (inflammation of sinus)
Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
Chronic kidney disease
Diarrhoea

male:

Adjustment disorder with depressed mood
Anxiety
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)
Death
Depressed level of consciousness
Diarrhoea
Drug abuse
Drug maladministration
Nervousness
Overdose

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

0-1:

n/a

2-9:

n/a

10-19:

Polycystic ovaries (cysts in the ovaries that occurs when the follicle stops developing)

20-29:

n/a

30-39:

n/a

40-49:

Abnormal behaviour
Depressed level of consciousness
Drug abuse
Overdose

50-59:

Adjustment disorder with depressed mood
Anxiety
Influenza
Nasopharyngitis (inflammation of the nasopharynx)
Stress
Confusional state
International normalised ratio increased
Nervousness
Pruritus (severe itching of the skin)
Restless legs syndrome (a powerful urge to move your legs)

60+:

Chronic kidney disease
Renal failure (kidney dysfunction)
Blood calcium increased
Blood glucose increased
Blood parathyroid hormone increased
Bone pain
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)
Coagulopathy (blood's ability to clot is impaired)
Constipation
Crying

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 38.46%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 10 people, 38.46%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 11.54%
Nausea (feeling of having an urge to vomit): 2 people, 7.69%
Infection: 2 people, 7.69%
Dermatomyositis (inflammation of the skin and underlying muscle tissue, typically occurring as an autoimmune condition or associated with internal cancer): 2 people, 7.69%

* Approximation only. Some reports may have incomplete information.

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