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Generic Name: omeprazole

It prevents the production of acid in the stomach
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What is this medicine?

OMEPRAZOLE (oh ME pray zol) 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.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • liver disease
  • low levels of magnesium in the blood
  • 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?

Take this medicine by mouth with water. Empty the contents of 1 packet into a container of water. The package your medicine comes in will tell you how much water to use. Stir gently and allow 2 to 3 minutes to thicken. Stir again and drink the medicine. Drink it within 30 minutes after mixing. If any medicine remains after drinking, add more water, stir, and drink at once. 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.

What if I miss a dose?

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?

Do not take this medicine with any of the following medications:
  • atazanavir
  • clopidogrel
  • nelfinavir

This medicine may also interact with the following medications:

  • ampicillin
  • certain medicines for anxiety or sleep
  • certain medicines that treat or prevent blood clots like warfarin
  • cyclosporine
  • diazepam
  • digoxin
  • disulfiram
  • diuretics
  • iron salts
  • phenytoin
  • prescription medicine for fungal or yeast infection like itraconazole, ketoconazole, voriconazole
  • saquinavir
  • tacrolimus

What should I watch for while using this medicine?

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.

You may need blood work done while you are taking this medicine.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • bone, muscle or joint pain
  • breathing problems
  • chest pain or chest tightness
  • dark yellow or brown urine
  • dizziness
  • fast, irregular heartbeat
  • feeling faint or lightheaded
  • fever or sore throat
  • muscle spasm
  • palpitations
  • redness, blistering, peeling or loosening of the skin, including inside the mouth
  • seizures
  • tremors
  • unusual bleeding or bruising
  • unusually weak or tired
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):

  • constipation
  • diarrhea
  • dry mouth
  • headache
  • nausea

Where should I keep my medicine?

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.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


All visitors to AARP.org should seek expert medical care and consult their own physicians for any specific health issues. Read this disclaimer in its entirety.
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Note: This information is not intended to cover all possible uses, precautions, interactions, or adverse effects for this drug. If you have question about the drug(s) you are taking, check with your health care professional.
 
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