Phenergan and Myfortic drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Phenergan (promethazine hydrochloride) and Myfortic (mycophenolic acid). Common drug interactions include dyspepsia among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Phenergan and Myfortic. It is created by eHealthMe based on reports of 31 people who take the same drugs from the FDA, and is updated regularly.

What is Phenergan?

Phenergan has active ingredients of promethazine hydrochloride. It is often used in nausea. eHealthMe is studying from 25,312 Phenergan users. Check the latest studies of Phenergan.

What is Myfortic?

Myfortic has active ingredients of mycophenolic acid. It is often used in kidney transplant. eHealthMe is studying from 13,331 Myfortic users. Check the latest studies of Myfortic.

On Aug, 02, 2026

31 people who take Phenergan and Myfortic together, and have interactions are studied.

Phenergan and Myfortic drug interactions.

What are the common drug interactions of Phenergan and Myfortic, by gender? *:

female:

Dyspepsia (indigestion)
Electrolyte imbalance
Irritable bowel syndrome
Liver disorder (liver diseases)
Malabsorption (a state arising from abnormality in absorption of food nutrients across the gastrointestinal (gi) tract)
Viral infection
Blood disorder
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Chronic kidney disease
Cold sweat

male:

Chronic kidney disease
Renal failure (kidney dysfunction)
Hypotension (abnormally low blood pressure)
Impaired gastric emptying
Implant site infection
Lethargy (tiredness)
Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
Septic shock (shock due to blood infection)
Nephrogenic anaemia (anaemia due to kidney disease)
Renal injury (kidney injury)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Liver disorder (liver diseases)
Chest pain
Chronic kidney disease
Epistaxis (bleed from the nose)
Haematemesis (vomiting of blood)
Haemoptysis (blood-stained sputum from the bronchi, larynx, trachea, or lungs)
Nephrogenic anaemia (anaemia due to kidney disease)
Pseudomonal bacteraemia (p. aeruginosa cause of bacterial infections of the blood)
Pyelonephritis (inflammation of kidney caused by bacteria)
Pyrexia (fever)

30-39:

Acidosis (build-up of carbon dioxide in the blood)
Dehydration (dryness resulting from the removal of water)
Diarrhoea
Gastroenteritis (inflammation of stomach and intestine)
Haemoglobin decreased
Headache (pain in head)
Muscle disorder (muscle disease)
Muscle spasms (muscle contraction)
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Renal impairment (severely reduced kidney function)

40-49:

Pulmonary embolism (blockage of the main artery of the lung)
Renal failure (kidney dysfunction)
Abdominal pain
Diarrhoea
Immunosuppressant drug level increased
Abdominal distension
Anaemia (lack of blood)
Back pain
Blood folate decreased
Blood urea increased

50-59:

Blood creatinine increased
Abdominal pain
Alanine aminotransferase decreased
Cardiorenal syndrome (kidney failure and heart failure)
Cellulitis (infection under the skin)
Chronic kidney disease
Hypervolaemia (abnormally increased volume of blood)
Hypoglycaemia (deficiency of glucose in the bloodstream)
Hypotension (abnormally low blood pressure)
Impaired gastric emptying

60+:

Syncope (loss of consciousness with an inability to maintain postural tone)
Renal failure acute (rapid kidney dysfunction)
Fluid overload (too much fluid in the blood)
Generalised oedema (swelling all over the body)
Hypertension (high blood pressure)
Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
Iron deficiency
Left ventricular failure (left ventricle fails to contract forcefully)
Lung consolidation (a condition whereby the lung tissues solidify because of the accumulation of solid and liquid material in the air spaces)
Metabolic acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body)

What are the existing conditions these people have? *

High Blood Pressure: 7 people, 22.58%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 19.35%
Hepatitis C: 5 people, 16.13%
Stress And Anxiety: 4 people, 12.90%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 4 people, 12.90%
Pain: 4 people, 12.90%
Haemolytic Uraemic Syndrome (blood clotting disease caused by e. coli infection, birth control pills, pneumonia, medications, and more): 4 people, 12.90%
Sleep Disorder: 3 people, 9.68%
Indigestion: 3 people, 9.68%
Depression: 3 people, 9.68%

* Approximation only. Some reports may have incomplete information.

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