What to do if you miss a dose: Take your dose as soon as you remember. If you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. How to tell if the drug is working: You should have decreased pain and acid reflux symptoms.
As with all medications, the costs of omeprazole can vary. To find current prices for your area, check out GoodRx. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. Your doctor should monitor certain health issues.
This can help make sure you stay safe while you take this drug. These issues include:. Not every pharmacy stocks this drug. When filling your prescription, be sure to call ahead to make sure your pharmacy carries it. Many insurance companies require a prior authorization for this drug.
This means your doctor will need to get approval from your insurance company before your insurance company will pay for the prescription.
There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you.
If you have an allergic reaction, call your doctor or local poison control center right away. If your symptoms are severe, call or go to the nearest emergency room. Taking it again could be fatal cause death. For people with liver problems: This drug may change the way your liver works.
If you have severe liver problems, your doctor may decrease your dose. For people with a vitamin B deficiency: This drug reduces the amount of acid in your stomach. You need stomach acid to absorb vitamin B Your doctor may monitor your vitamin B levels and give you vitamin B injections if needed.
For people with osteoporosis : People who take multiple doses of this drug every day for a year or longer may have an increased risk of fractures. These fractures may be more likely to happen in your hip, wrist, or spine. If you already have osteoporosis, you already have an increased risk of bone fractures.
Having low magnesium levels can be serious. Your doctor will monitor your magnesium levels during your treatment with this drug and give you supplements if needed.
This drug should only be used if the potential benefit justifies the potential risk to the fetus. For women who are breastfeeding: Omeprazole passes into breast milk and may cause side effects in a child who is breastfed. Talk to your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication. Call your doctor right away if you become pregnant while taking this drug. For seniors: The kidneys of older adults may not work as well as they used to.
This can cause your body to process drugs more slowly. For gastritis, some basic questions to ask your doctor include:. Before your appointment, avoid drinking alcohol and eating foods that seem to irritate your stomach, such as those that are spicy, acidic, fried or fatty. But talk to your doctor before stopping any prescription medications you're taking. Mayo Clinic does not endorse companies or products.
Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Diagnosis Endoscopy Open pop-up dialog box Close. Endoscopy An endoscopy procedure involves inserting a long, flexible tube endoscope down your throat and into your esophagus. More Information Needle biopsy Upper endoscopy X-ray. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Overview of gastritis. Merck Manual Professional Version.
Accessed Nov. Ferri FF. In: Ferri's Clinical Advisor Philadelphia, Pa. Jensen PJ, et al. Acute and chronic gastritis due to Helicobacter pylori. American College of Gastroenterology guideline on the management of Helicobacter pylori infection.
Bethesda, Md. These pumps are responsible for releasing acid into the stomach. PPIs such as omeprazole will block the release of acid, thus decreasing the acidity inside the stomach. Omeprazole takes around 1 hour to block the production of stomach acid, and its maximal effect occurs around 2 hours after taking the pill.
The action of omeprazole can continue for about 3 days. Omeprazole is available in three dosage types. The table below lists these dosage types, plus their strengths in milligrams mg. Doctors must make an accurate diagnosis before prescribing omeprazole, as each diagnosis requires different treatments. The following table lists the dosing instructions for each use of omeprazole.
Doctors prescribe omeprazole to children ages 1—16 based on their weight. The following table lists the recommended dosages in mg for each use of omeprazole in children based on their weight in kilograms kg. Doctors suggest taking omeprazole 30—60 minutes before a meal.
If the doctor recommends taking omeprazole twice daily, the person should take it before breakfast and before supper. Side effects that children may report are similar to those that adults report, except that they tend to complain more about fever and breathing issues, such as pharyngitis and sinus infections. Healthcare providers should follow up with people using omeprazole if their symptoms persist throughout treatment, or if their symptoms quickly return after stopping the medication.
Some doctors will detect kidney dysfunction in people taking omeprazole. A part of the kidney called the interstitium may become inflamed, causing a condition called acute interstitial nephritis to develop.
People must stop taking omeprazole if they develop this. Some researchers have linked PPIs, including omeprazole, to Clostridium difficile diarrhea. This condition is a serious bacterial infection that can lead to hospitalization and be fatal. Some studies report that PPIs may increase the risk of bone fractures. Healthcare providers should therefore prescribe the lowest effective dosage and limit its use to the shortest possible duration.
People taking omeprazole for long periods of time may become deficient in some vitamins and minerals, including vitamin B and magnesium. Some drugs may interact with omeprazole. People should tell their doctor which medications they are already taking.
Omeprazole may interfere with the action of some antiretroviral drugs. However, researchers have not consistently reported this effect. Doctors should closely monitor people taking antiretroviral drugs and omeprazole together to ensure that the combination is safe.
However, people should not use rilpivirine and rilpivirine-containing antiretrovirals at the same time as taking omeprazole. People taking warfarin to prevent blood clots should use omeprazole with caution because the combination can increase their risk of bleeding.
They may need more frequent blood testing to make sure that the dosage of warfarin is appropriate. Some doctors have reported higher methotrexate levels in people taking high dose methotrexate with omeprazole. These people must provide frequent blood samples so that their doctors can detect rising levels.
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