Prilosec Delayed-Release Capsules is used for:
Treating heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD). It may also be used for short-term treatment of ulcers of the stomach or small intestines. It may also be used with certain antibiotics to treat ulcers of the small intestines and to help prevent them from coming back. It may also be used to treat conditions that cause your body to make too much stomach acid (eg, Zollinger-Ellison syndrome). It may also be used for other conditions as determined by your doctor.

Prilosec Delayed-Release Capsules is a proton pump inhibitor. It works by decreasing the amount of acid produced in the stomach.

Do NOT use Prilosec Delayed-Release Capsules if:
you are allergic to any ingredient in Prilosec Delayed-Release Capsules
you are taking an HIV protease inhibitor (eg, atazanavir)

Contact your doctor or health care provider right away if any of these apply to you.

Before using Prilosec Delayed-Release Capsules:
Some medical conditions may interact with Prilosec Delayed-Release Capsules. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
if you are pregnant, planning to become pregnant, or are breast-feeding
if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
if you have allergies to medicines, foods, or other substances
if you have liver problems or stomach or bowel cancer

Some MEDICINES MAY INTERACT with Prilosec Delayed-Release Capsules. Tell your health care provider if you are taking any other medicines, especially any of the following:
Clarithromycin or voriconazole because they may increase the risk of Prilosec Delayed-Release Capsules's side effects
Anticoagulants (eg, warfarin), benzodiazepines (eg, diazepam), cilostazol, cyclosporine, digoxin, disulfiram, phenytoin, or tacrolimus because the risk of their side effects may be increased by Prilosec Delayed-Release Capsules
Ampicillins, azole antifungals (eg, ketoconazole), ginkgo biloba, HIV protease inhibitors (eg, atazanavir), or iron because their effectiveness may be decreased by Prilosec Delayed-Release Capsules

This may not be a complete list of all interactions that may occur. Ask your health care provider if Prilosec Delayed-Release Capsules may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Prilosec Delayed-Release Capsules:
Use Prilosec Delayed-Release Capsules as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Take Prilosec Delayed-Release Capsules by mouth on an empty stomach before eating.
Swallow Prilosec Delayed-Release Capsules whole. Do not break, crush, chew, or open Prilosec Delayed-Release Capsules before swallowing.
If you have trouble swallowing the capsule, add 1 tablespoon of applesauce to an empty bowl. Open the capsule and empty the pellets onto the applesauce. Mix the pellets with the applesauce and swallow the mixture at once, followed by a glass of cool water. The applesauce used should not be hot and should be soft enough to be swallowed with out chewing. Do not chew or crush the pellets. Do not store the mixture for further use.
You may take antacids while you are using Prilosec Delayed-Release Capsules if you are directed to do so by your doctor.
If you also take an imidazole antifungal (eg, ketoconazole), take it at least 2 hours before taking Prilosec Delayed-Release Capsules.
If you also take sucralfate, take Prilosec Delayed-Release Capsules at least 30 minutes before taking sucralfate.
Continue to take Prilosec Delayed-Release Capsules even if you feel well. Do not miss any doses.
If you miss a dose of Prilosec Delayed-Release Capsules, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Prilosec Delayed-Release Capsules.

Important safety information:
Prilosec Delayed-Release Capsules may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Prilosec Delayed-Release Capsules with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
Contact your doctor if you have any symptoms of a bleeding ulcer, such as black, tarry stools or vomit that looks like coffee grounds; or if you experience throat pain, chest pain, severe stomach pain, or trouble swallowing.
Prilosec Delayed-Release Capsules may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking Prilosec Delayed-Release Capsules.
Prilosec Delayed-Release Capsules should be used with caution in Asian patients; the risk of side effects may be increased in these patients.
Prilosec Delayed-Release Capsules should be used with extreme caution in CHILDREN younger than 2 years old; safety and effectiveness in these children have not been confirmed.
PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Prilosec Delayed-Release Capsules while you are pregnant. Prilosec Delayed-Release Capsules is found in breast milk. Do not breast-feed while taking Prilosec Delayed-Release Capsules.

Possible side effects of Prilosec Delayed-Release Capsules:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Diarrhea; headache.
Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); chest pain; dark urine; fast or irregular heartbeat; fever, chills, or sore throat; red, swollen, blistered, or peeling skin; swelling of the hands, ankles, or feet; unusual bruising or bleeding; unusual tiredness; vision changes; yellowing of the eyes or skin.