Representative Names: Omeprazole Delayed-Release Capsules, Prilosec Delayed-Release Capsules
Active Ingredients: Omeprazole
Generic Available: Yes
Rx Status: Available by prescription only

What is/are Prilosec (Back to top)
OMEPRAZOLE prevents the production of acid in the stomach. It is used to treat gastroesophageal reflux disease (GERD), ulcers, certain bacteria in the stomach, inflammation of the esophagus, and Zollinger-Ellison Syndrome. It is also used to treat other conditions that cause too much stomach acid. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.


What should I tell my health care providers before I take this medicine? (Back to top)
They need to know if you have any of these conditions:

  • liver disease
  • an unusual or allergic reaction to omeprazole, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine? (Back to top)
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not crush, break or chew the capsules. They can be opened and the contents sprinkled on a small amount of applesauce or yogurt, given with fruit juices, or swallowed immediately with water. This medicine works best if taken on an empty stomach 30 to 60 minutes before breakfast. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.


What if I miss a dose? (Back to top)
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.


What may interact with this medicine? (Back to top)
Do not take this medicine with any of the following medications:

  • atazanavir

This medicine may also interact with the following medications:
  • ampicillin
  • diazepam
  • digoxin
  • iron salts
  • medicines for fungal infections like ketoconazole and itraconazole
  • phenytoin
  • tacrolimus
  • warfarin

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.


What side effects may I notice from receiving this medicine? (Back to top)
Serious side effects are rare. Side effects that you should report to your doctor or health care professional as soon as possible:

  • blood in urine
  • chest pain or tightness
  • dark yellow or brown urine
  • fever or sore throat
  • redness, blistering, peeling or loosening of the skin, including inside the mouth
  • shortness of breath
  • skin rash
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
  • diarrhea or constipation
  • headache

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


What should I watch for while using this medicine? (Back to top)
It can take several days before your stomach pain gets better. Check with your doctor or health care professional if your condition does not start to get better, or if it gets worse.


Where should I keep this medicine? (Back to top)
Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.


Last Updated:April 11, 2007

©2008 Express Scripts, Inc. All Rights Reserved.
These materials are the property of Express Scripts, Inc. and are protected by copyright, trademark, and other laws. Permission for use is granted only for personal, noncommercial purposes.

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