Omeprazole

Duodenal Ulcer, Gastroesophageal Reflux ... show more

DRUG STATUS

approvals.svg

Approvals

US(FDA), UK(BNF)

approvals.svg

Essential Medicine

YES

approvals.svg

Teratogenicity

Unlisted

approvals.svg

Pharmaceutical Class

Proton Pump Inhibitor

Video Thumbnail
Drug Ingredient

Omeprazole

Know More About This Medicine -

Click Here

Summary

  • Omeprazole is used to treat conditions like gastroesophageal reflux disease (GERD), gastric ulcers, and duodenal ulcers. It's also used for conditions where the stomach makes too much acid, such as Zollinger-Ellison syndrome, and to kill bacteria that may cause stomach ulcers.

  • Omeprazole works by blocking the proton pump in the stomach lining. This prevents acid from being released into the stomach, which provides relief from acid-related conditions and allows the stomach lining to heal.

  • The usual dosage for adults is 20-40 mg daily, depending on the condition. It's typically taken once a day before breakfast on an empty stomach. The capsule should be swallowed whole and not crushed or chewed.

  • Common side effects include nausea, vomiting, diarrhea, headaches, and abdominal pain. More serious side effects, although rare, include rash, joint pain, and kidney problems. Stopping Omeprazole abruptly can lead to a return of symptoms and cause rebound acid hypersecretion, where the stomach produces more acid than before.

  • Patients with liver or kidney disease should use Omeprazole with caution. It may interact with certain medications such as warfarin, increasing the risk of bleeding. Long-term use may increase the risk of stomach cancer in patients with certain gastrointestinal conditions like Barrett's esophagus. Omeprazole can also block the absorption of vitamin B12, so if you've been taking it for more than three years, talk to your doctor about the possibility of vitamin B12 deficiency.

Indications and Purpose

What is Omeprazole used for?

Omeprazole capsules are used to treat: - Stomach ulcers in adults - Acid reflux disease (GERD) in adults and children 1 year and older, where acid has damaged the lining of the esophagus - Conditions in adults where the stomach makes too much acid, such as Zollinger-Ellison syndrome - Stomach ulcers in adults to kill bacteria that may cause them

How does Omeprazole work?

Omeprazole works within the body by inhibiting the proton pump in the stomach, which reduces the production of gastric acid. This helps to reduce the symptoms of acid reflux, stomach ulcers, and other gastrointestinal disorders by creating a less acidic environment in the stomach.

Is Omeprazole effective?

Studies have shown that Omeprazole effectively reduces the production of gastric acid in the stomach, which can help to alleviate the symptoms of acid reflux, heartburn, and gastric ulcers. It has also been found to be effective in healing esophageal damage caused by acid reflux, and can help to reduce the risk of developing stomach cancer in individuals with chronic gastritis.

How does one know if Omeprazole is working?

The benefit of Omeprazole is typically checked or evaluated by monitoring the relief of symptoms such as heartburn, regurgitation, and difficulty swallowing. Doctors may also perform diagnostic tests, such as endoscopy or biopsy, to assess the healing of the esophagus and stomach.

Directions for Use

What is the usual dose of Omeprazole?

The usual dose of Omeprazole is 20 mg once daily for GERD and ulcers, and 20 mg twice daily for H. pylori treatment. Adjustments may be made for other conditions. Always follow your doctor's advice.

How do I take Omeprazole?

Omeprazole should be taken on an empty stomach, usually 30 minutes to 1 hour before a meal for the best effect. It is generally not affected by food, but taking it before meals ensures maximum acid suppression. There are no specific food restrictions while using Omeprazole, but it's recommended to avoid spicy foods, citrus, and acidic drinks if they irritate your condition. Always follow your healthcare provider's instructions for optimal use.

For how long do I take Omeprazole?

Omeprazole is typically taken for 4–8 weeks for GERD/ulcers, 10–14 days for H. pylori, and long-term for Zollinger-Ellison syndrome. Follow your doctor’s advice.

How long does it take for Omeprazole to start working?

Omeprazole typically starts to work within 1 hour after taking it, with peak effects occurring in 2 to 3 hours. However, it may take 1 to 4 days of consistent use to experience full relief from symptoms like heartburn or acid reflux. For conditions like ulcers, it may take several weeks of treatment for complete healing.

How should I store Omeprazole?

Omeprazole should be stored at room temperature, between 68°F and 77°F (20°C and 25°C). Keep the medication in a tightly closed container, away from light, heat, and moisture. Do not store Omeprazole in the bathroom or near a sink.

Warnings and Precautions

Who should avoid taking Omeprazole?

Patients with liver or kidney disease should use Omeprazole with caution, as the medication may be less effective or may cause adverse effects.

Omeprazole may interact with certain medications, such as warfarin, which can increase the risk of bleeding.

Patients with certain gastrointestinal conditions, such as Barrett's esophagus, may be at an increased risk of stomach cancer with long-term Omeprazole use.

Can I take Omeprazole with other prescription drugs?

Omeprazole can interact with specific medications. When taken together with clopidogrel, it lowers the effectiveness of clopidogrel in preventing blood clots. Omeprazole may raise methotrexate levels in the blood when used with it, increasing the risk of side effects. Omeprazole can also interact with warfarin, a blood thinner, increasing the risk of bleeding.

Can I take Omeprazole with vitamins or supplements?

Omeprazole, a medication used to reduce stomach acid, can block the absorption of vitamin B12. This is because vitamin B12 needs stomach acid to be properly absorbed. If you've been taking omeprazole for more than three years, talk to your doctor about the possibility of vitamin B12 deficiency.

Can Omeprazole be taken safely while pregnant?

There is limited data available on the safety of Omeprazole during pregnancy. Animal studies have not shown any evidence of harm to the fetus, but more research is needed to confirm this. Therefore, it is generally recommended that pregnant women avoid taking Omeprazole unless the benefits outweigh the risks.

Can Omeprazole be taken safely while breastfeeding?

Omeprazole is generally considered safe to use during breastfeeding, as only small amounts of the medication are secreted into breast milk. However, it is recommended that breastfeeding mothers speak with their doctor before taking Omeprazole to ensure that the benefits outweigh the potential risks to the infant.

Is Omeprazole safe for the elderly?

Omeprazole, a medication for heartburn, can affect how your body handles other medicines. It might make some medicines stronger, needing lower doses (like citalopram, cilostazol, and potentially digoxin or tacrolimus). It can also make other medicines weaker (like mycophenolate mofetil), which is especially important for people with organ transplants. Never take omeprazole with clarithromycin and amoxicillin together, as it's dangerous. If you're taking omeprazole and other medicines, talk to your doctor about possible dose changes and risks.

Is it safe to exercise while taking Omeprazole?

Yes, it's safe to exercise while taking Omeprazole

Is it safe to drink alcohol while taking Omeprazole?

Alcohol can irritate the stomach, so it’s best to limit alcohol while on Omeprazole.