Pepcid and Emgality drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Pepcid (famotidine) and Emgality (galcanezumab-gnlm). Common drug interactions include sensation of foreign body among females and back pain among males.

The phase IV clinical study analyzes what interactions people have when they take Pepcid and Emgality. It is created by eHealthMe based on reports of 63 people who take the same drugs from the FDA, and is updated regularly.

What is Pepcid?

Pepcid has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 55,774 Pepcid users. Check the latest studies of Pepcid.

What is Emgality?

Emgality has active ingredients of galcanezumab-gnlm. eHealthMe is studying from 24,702 Emgality users. Check the latest studies of Emgality.

On Jul, 10, 2026

63 people who take Pepcid and Emgality together, and have interactions are studied.

What are the common drug interactions of Pepcid and Emgality, by gender? *:

female:

Sensation of foreign body
Tremor (trembling or shaking movements in one or more parts of your body)
Arthralgia (joint pain)
Constipation
Fall
Diarrhoea
Fatigue (feeling of tiredness)
Weight increased
Dehydration (dryness resulting from the removal of water)
Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)

male:

Back pain
Cat scratch disease (bacterial infection by cat scratch)
Memory impairment
Muscle spasms (muscle contraction)
Nephrolithiasis (calculi in the kidneys)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Palpitations (feelings or sensations that your heart is pounding or racing)
Stiff person syndrome
Coma (state of unconsciousness lasting more than six hours)
Constipation

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Abortion spontaneous (naturally occurring miscarriage)
Back pain
Cat scratch disease (bacterial infection by cat scratch)
Coma (state of unconsciousness lasting more than six hours)
Constipation
Cyclic vomiting syndrome (prolonged episodes of severe nausea, vomiting)
Drug ineffective
Dyskinesia (abnormality or impairment of voluntary movement)
Hyposmia (impairment of the sense of smell)
Impaired gastric emptying

30-39:

Bone cyst
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
Oropharyngeal pain
Pain
Swelling
Syncope (loss of consciousness with an inability to maintain postural tone)
Cystitis klebsiella (inflammation of the wall of the bladder by klebsiella)
Eye pain
Fungal infection

40-49:

Anaphylactic reaction (serious allergic reaction)
Anxiety
Asthenia (weakness)
Depression
Dizziness
Swollen tongue (swelling of tongue)
Weight increased
Burning sensation
Chest pain
Constipation

50-59:

Arthralgia (joint pain)
Pain in extremity
Abdominal distension
Abdominal pain
Abdominal pain upper
Adnexa uteri pain
Alopecia (absence of hair from areas of the body)
Back pain
Blindness
Constipation

60+:

Diarrhoea
Corneal abrasion (loss of the surface of cornea)
Localised infection (infection at the single location)
Post procedural swelling
Arthralgia (joint pain)
Bacterial infection
Colostomy
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Exostosis (formation of new bone on the surface of a bone)
Fall

What are the existing conditions these people have? *

Migraine (headache): 20 people, 31.75%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 11 people, 17.46%
Immunodeficiency Common Variable: 7 people, 11.11%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 9.52%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 5 people, 7.94%
Headache (pain in head): 4 people, 6.35%

* Approximation only. Some reports may have incomplete information.

Do you take Pepcid and Emgality?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously