Famotidine and Mounjaro drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Famotidine (famotidine) and Mounjaro (tirzepatide). Common drug interactions include cough among females and oedema peripheral among males.

The phase IV clinical study analyzes what interactions people have when they take Famotidine and Mounjaro. It is created by eHealthMe based on reports of 64 people who take the same drugs from the FDA, and is updated regularly.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 83,421 Famotidine users. Check the latest studies of Famotidine.

What is Mounjaro?

Mounjaro has active ingredients of tirzepatide. It is often used in weight loss. eHealthMe is studying from 37,668 Mounjaro users. Check the latest studies of Mounjaro.

On Apr, 13, 2026

64 people who take Famotidine and Mounjaro together, and have interactions are studied.

Famotidine and Mounjaro drug interactions.

What are the common drug interactions of Famotidine and Mounjaro, by gender? *:

female:

Cough
Cystitis (inflammation of the wall of the bladder)
Depressed mood
Dermatitis atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder)
Diabetic gastroparesis (paralysis of the muscles of the stomach caused by diabetes)
Nausea (feeling of having an urge to vomit)
Fatigue (feeling of tiredness)
Headache (pain in head)
Pruritus (severe itching of the skin)
Sinusitis (inflammation of sinus)

male:

Oedema peripheral (superficial swelling)
Spondylitis (an inflammation of the vertebra with spinal cord involvement)
Hyperkalaemia (damage to or disease of the kidney)
Impaired healing
Infection in an immunocompromised host
Influenza like illness
Injection site induration
Lethargy (tiredness)
Myasthenia gravis (a chronic condition that causes muscles to tire and weaken easily)
Nausea (feeling of having an urge to vomit)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Pancreatitis acute (sudden inflammation of pancreas)
Constipation
Impaired gastric emptying
Mobility decreased (ability to move is reduced)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)

40-49:

Fatigue (feeling of tiredness)
Nausea (feeling of having an urge to vomit)
Blood cholesterol increased
Headache (pain in head)
Dizziness
Apathy
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Conjunctivitis (pink eye)
Constipation

50-59:

Joint swelling
Lumbar vertebral fracture
Nasopharyngitis (inflammation of the nasopharynx)
Oxygen saturation decreased
Pharyngitis streptococcal (inflammation of the pharynx caused by infection from. streptococcus)
Pigmentation disorder (disturbances of human skin colour)
Pneumonia
Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
Pulmonary mass
Rash macular (small, flat red spots)

60+:

Injection site haemorrhage (bleeding from injection site)
Eructation (release of gas from the digestive tract)
Neck pain
Tenderness (pain or discomfort when an affected area is touched)
Vomiting
Constipation
Dysgeusia (disorder of the sense of taste)
Headache (pain in head)
Influenza like illness
Injection site induration

What are the existing conditions these people have? *

Type 2 Diabetes: 14 people, 21.88%
Immunodeficiency Common Variable: 5 people, 7.81%
Pain: 4 people, 6.25%
Myasthenia Gravis (a chronic condition that causes muscles to tire and weaken easily): 4 people, 6.25%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 4 people, 6.25%
Cushing's Syndrome (obesity, a rounded face, increased fat): 4 people, 6.25%
Asthma: 4 people, 6.25%

* Approximation only. Some reports may have incomplete information.

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