Complete adverse effect profile including incidence rates and management
Important Safety Information
This is not a complete list of all possible side effects. Contact your healthcare provider if you experience any unexpected symptoms. For serious or life-threatening side effects, seek emergency medical attention immediately.
Headache
Diarrhea
Abdominal pain
Nausea
Vomiting
Flatulence
C. difficile-associated diarrhea (CDAD)
Hypomagnesemia (with long-term use >1 year)
Bone fractures (hip, wrist, spine — long-term high-dose)
Acute interstitial nephritis
Vitamin B12 deficiency (long-term use)
Cutaneous/systemic lupus erythematosus
Fundic gland polyps (long-term use)
Hyponatremia
Like all medications, Omeprazole can cause side effects. However, not everyone who takes this medication will experience them. Many side effects are dose-dependent and may improve as your body adjusts to the medication. Others may require dose adjustment or medical attention.
Contact your healthcare provider promptly if you experience:
Seek immediate emergency medical care if you experience signs of: