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

Summary:

Drug interactions are reported among people who take Omnicef (cefdinir) and Famotidine (famotidine). Common drug interactions include hiatus hernia among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Omnicef and Famotidine. It is created by eHealthMe based on reports of 37 people who take the same drugs from the FDA, and is updated regularly.

What is Omnicef?

Omnicef has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 2,774 Omnicef users. Check the latest studies of Omnicef.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 83,423 Famotidine users. Check the latest studies of Famotidine.

On Jul, 31, 2026

37 people who take Omnicef and Famotidine together, and have interactions are studied.

Omnicef and Famotidine drug interactions.

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

female:

Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
International normalised ratio increased
Melaena (the passage of black, tarry stools)
Migraine (headache)
Nausea (feeling of having an urge to vomit)
Nephropathy (damage to or disease of a kidney)
Overdose
Pancreatitis (inflammation of pancreas)
Renal disorder (kidney disease)
Renal failure chronic (long lasting kidney dysfunction)

male:

Chronic kidney disease
Renal failure (kidney dysfunction)
Ankle fracture
Anxiety
Aphonia (inability to produce voice)
Arrhythmia (irregular heartbeat)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Asthenia (weakness)
Asthma
Attention deficit/hyperactivity disorder

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

0-1:

n/a

2-9:

Haemolysis (breaking open of red blood cells and the release of haemoglobin into the surrounding fluid)

10-19:

n/a

20-29:

Overdose
Pancreatitis (inflammation of pancreas)
Type 2 diabetes mellitus
Influenza like illness
Migraine (headache)
Pancreatitis acute (sudden inflammation of pancreas)

30-39:

Chronic kidney disease
Pulmonary embolism (blockage of the main artery of the lung)
Renal failure (kidney dysfunction)

40-49:

Colitis haemorrhagic (bleeding diarrhoea due to infection of colon)
Acute circulatory failure (shock)
Chronic kidney disease
Diarrhoea
Haemorrhage (bleeding)
International normalised ratio increased
Melaena (the passage of black, tarry stools)
Nephrotic syndrome (kidney disease with proteinuria, hypoalbuminemia, and oedema)
Renal failure (kidney dysfunction)
Renal tubular necrosis (death of kidney tubules)

50-59:

Blood pressure systolic increased
Coma (state of unconsciousness lasting more than six hours)
Drooling (drop saliva uncontrollably from the mouth)
Drug hypersensitivity
Dysphonia (speech disorder attributable to a disorder of phonation)
Heart rate decreased
Oedema peripheral (superficial swelling)
Pneumonia
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Swollen tongue (swelling of tongue)

60+:

Chronic kidney disease
Renal failure (kidney dysfunction)
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Nausea (feeling of having an urge to vomit)
Nephrogenic anaemia (anaemia due to kidney disease)
Nephropathy (damage to or disease of a kidney)
Tardive dyskinesia (a disorder that involves involuntary movements)
Urticaria (rash of round, red welts on the skin that itch intensely)
Abdominal adhesions (inflammation of abdomen)
Abdominal distension

What are the existing conditions these people have? *

Diabetes: 9 people, 24.32%
High Blood Cholesterol: 9 people, 24.32%
Depression: 8 people, 21.62%
High Blood Pressure: 6 people, 16.22%
Pain: 5 people, 13.51%
Stress And Anxiety: 4 people, 10.81%
Sleep Disorder: 3 people, 8.11%
Infection: 3 people, 8.11%
Insomnia (sleeplessness): 3 people, 8.11%
Nausea (feeling of having an urge to vomit): 3 people, 8.11%

* Approximation only. Some reports may have incomplete information.

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