Dilacor xr and Tylenol w/ codeine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Dilacor xr (diltiazem hydrochloride) and Tylenol w/ codeine (acetaminophen; codeine phosphate). Common drug interactions include gastrointestinal haemorrhage among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Dilacor xr and Tylenol w/ codeine. It is created by eHealthMe based on reports of 18 people who take the same drugs from the FDA, and is updated regularly.

What is Dilacor xr?

Dilacor xr has active ingredients of diltiazem hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 870 Dilacor xr users. Check the latest studies of Dilacor xr.

What is Tylenol w/ codeine?

Tylenol w/ codeine has active ingredients of acetaminophen; codeine phosphate. It is often used in pain. eHealthMe is studying from 8,107 Tylenol w/ codeine users. Check the latest studies of Tylenol w/ codeine.

On Aug, 11, 2026

18 people who take Dilacor xr and Tylenol w/ codeine together, and have interactions are studied.

Dilacor xr and Tylenol w/ codeine drug interactions.

What are the common drug interactions of Dilacor Xr and Tylenol W/ Codeine, by gender? *:

female:

Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Glossodynia (a burning or painful sensation in the tongue)
Gout (uric acid crystals building up in the body)
Heart rate irregular
Hemiparesis (weakness on one side of the body)
Hypophagia (reduced food intake)
Hypotension (abnormally low blood pressure)
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
Hypovolaemia (a decreased volume of circulating blood in the body)

male:

Anxiety
Benign bone neoplasm (benign (non-cancerous) tumours of the bone)
Salivary gland adenoma (salivary gland tumour)
Tooth abscess (pus formation in tooth)
Amyloidosis (a tumour within which amyloid is produced)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Benign prostatic hyperplasia (benign enlargement of the prostate)
Cellulitis (infection under the skin)
Cerebral arteriosclerosis (thickening and hardening of the walls of the arteries in the brain)
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)

What are the common drug interactions of Dilacor Xr and Tylenol W/ Codeine, 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:

Muscle cramps (painful sensations caused by muscle contraction)
Nausea (feeling of having an urge to vomit)
Sedation
Abdominal pain
Arthralgia (joint pain)
Coordination abnormal (abnormal movement)
Headache (pain in head)
Hypoaesthesia (reduced sense of touch or sensation)

60+:

Anxiety
Bone disorder
Salivary gland adenoma (salivary gland tumour)
Tooth abscess (pus formation in tooth)
Cellulitis (infection under the skin)
Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
Amyloidosis (a tumour within which amyloid is produced)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Benign prostatic hyperplasia (benign enlargement of the prostate)
Cerebral arteriosclerosis (thickening and hardening of the walls of the arteries in the brain)

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 15 people, 83.33%
Paget's Disease (disorder that involves abnormal bone destruction and regrowth, which results in deformity): 2 people, 11.11%
Glaucoma (increased fluid pressure in the eye with vision loss): 2 people, 11.11%

* Approximation only. Some reports may have incomplete information.

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