Prilosec Rx

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

Before taking omeprazole, tell your doctor or pharmacist if you are allergic to it; or to similar drugs (such as esomeprazole, lansoprazole, pantoprazole); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, lupus.

Some symptoms may actually be signs of a more serious condition. Get medical help right away if you have: heartburn with lightheadedness/sweating/dizziness, chest/jaw/arm/shoulder pain (especially with shortness of breath, unusual sweating), unexplained weight loss.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Proton pump inhibitors (such as omeprazole) may increase your risk for bone fractures, especially with longer use, higher doses, and in older adults. Talk with your doctor or pharmacist about ways to prevent bone loss/fracture, such as by taking calcium (such as calcium citrate) and vitamin D supplements.

Older adults may be more sensitive to the side effects of this drug, especially bone loss and fractures (see above), and C. difficile infection (see Side Effects section).

Children may be more sensitive to the side effects of this drug, especially fever, cough, and infections of the nose/throat/airways.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This medication passes into breast milk. The effects on a nursing infant are unknown. Consult your doctor before breast-feeding.

See also How to Use section.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: clopidogrel, mavacamten, methotrexate (especially high-dose treatment), rifampin, St John's wort.

Some products need stomach acid so that the body can absorb them properly. Omeprazole decreases stomach acid, so it may change how well these products work. Some affected products include atazanavir, erlotinib, levoketoconazole, nelfinavir, pazopanib, rilpivirine, sparsentan, certain azole antifungals (itraconazole, ketoconazole, posaconazole), among others.

Omeprazole is very similar to esomeprazole. Do not use any medications containing esomeprazole while using omeprazole.

This medication may interfere with certain lab tests, possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.

Store at room temperature away from moisture. Do not open the packets until ready to use. Do not store in the bathroom. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: confusion, unusual sweating, blurred vision, unusually fast heartbeat.

Read the Medication Guide provided by your pharmacist before you start taking omeprazole and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth before a meal as directed by your doctor, usually once daily. This medication may also be given through a tube into the stomach (nasogastric or gastric tube). The dosage and length of treatment are based on your medical condition and response to treatment. In children, the dosage is also based on weight.

If you are taking this medication by mouth, empty the contents of a packet into a container with 1 to 3 teaspoons (5 to 15 milliliters) of water. Check the manufacturer package directions for the proper amount of water to use for your dose. Stir the mixture well and leave it for 2 to 3 minutes to thicken. Stir again and drink all of the mixture within 30 minutes. If any medication remains in the container, add more water, stir, and drink right away to make sure you take the entire dose. Do not crush or chew the medication granules. Doing so may destroy the drug.

If you are giving this medication through a nasogastric or gastric tube, ask your health care professional for detailed instructions on how to properly mix and give it.

If needed, antacids may be taken along with this medication. If you are also taking sucralfate, take omeprazole at least 30 minutes before sucralfate.

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Continue to take this medication for the prescribed length of treatment even if you are feeling better.

Tell your doctor if your condition lasts or gets worse. The risk of side effects goes up over time. Ask your doctor how long you should take this medication.

Do not share this medication with others.

If your doctor instructs you to use this medication regularly for a long time, lab and/or medical tests (such as a magnesium blood test, vitamin B-12 levels) may be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.