Known interactions

Absinthe, Accubron Syrup, Accurbron, Acetohexamide, Achillea, Achillea millefolium, Activated Charcoal, Actonel with calcium, Adalat, Adalat CC, Afeditab CR, African Pepper, Ajenjo, Alprazolam Intensol, Alprazolam Oral Solution, Alprazolam tablets, Amber Touch-and-Heal, Amethopterin, Amigesic, Aminophylline (Theophylline) Injection, Aminophylline Tablets, Amitone, Aquaphyllin, Aquaphyllin Syrup, Argesic-SA, Armoise, Artemisia absinthium, Artha-G, Arthropan, Asmalix, Asmalix Elixir, Aspirin and Carisoprodol, Aspirin, Caffeine and Dihydrocodeine, Atazanavir, B-12 Tablets, B12 nasal spray, Biaxin, Biaxin Suspension, Biaxin XL, Bird Pepper, Bitter Thistle, Blessed thistle, Bloodwort, Blowball, Bronkodyl, Buffered Aspirin and Pravastatin, Caffeine, Aspirin and Dihydrocodeine, Calcium Carbonate Tablets, Caltrate 600, Canker Wort, Capsicum, Capsicum annuum, Capsicum frutescens, Carbenia Benedicta, Cardo Santo, Carisoprodol Compound, CharcoAid, Charcoal, Charcoal capsules, Charcoal Plus, 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Application of Prilosec

Brand Name(s): Prilosec

Generic Name Omeprazole capsules

What are omeprazole capsules?

OMEPRAZOLE (Prilosec®) prevents the production of acid in the stomach. It reduces symptoms and prevents injury to the esophagus, stomach, or intestines in patients with gastroesophageal reflux disease (GERD) or ulcers. Omeprazole is also useful in conditions that cause excessive stomach acid production such as Zollinger-Ellison syndrome and certain cancers. Generic omeprazole capsules are available.

What should my health care professional know before I take omeprazole?

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 take this medicine?

Take omeprazole capsules by mouth. Follow the directions on the prescription label. Swallow the capsules whole with a drink of water; do not crush, break or chew. The capsules can be opened and the contents sprinkled on a small amount of applesauce or yogurt, given with fruit juices, or swallowed immediately with water. Omeprazole works best if taken on an empty stomach. It is best to take the capsules 30 to 60 minutes before breakfast. Take your doses at regular intervals. Do not take your medicine more often than directed.

Contact your pediatrician or health care professional 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 drug(s) may interact with omeprazole?

  • ampicillin
  • diazepam
  • digoxin
  • iron salts
  • itraconazole, ketoconazole, voriconazole or other prescription medicines for fungus or yeast infections
  • phenytoin
  • warfarin

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

What side effects may I notice from taking omeprazole?

Serious side effects are rare. Side effects that you should report to your prescriber or health care professional as soon as possible:

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

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

  • headache
  • diarrhea or constipation

What should I watch for while taking omeprazole?

It can take several days of therapy with omeprazole before your stomach condition improves. Check with your prescriber or health care professional if your condition does not improve, or if it gets worse. You can take antacids for the occasional relief of pain unless your prescriber or health care professional tells you otherwise.

Where can I keep my medicine?

Keep out of the reach of children in a container that small children cannot open.

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

(Note: The above information is not intended to replace the advice of your physician, pharmacist, or other healthcare professional. It is not meant to indicate that the use of the product is safe, appropriate, or effective for you.)

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