Omeprazole Delayed-Release Capsules (Sumicef)

Omeprazole 20 mg (Sumicef) is a proton pump inhibitor (PPI). This medication is used to treat or prevent certain health problems caused by stomach acid by reducing the secretion of stomach acid. Omeprazole is often prescribed to treat or relieve the following conditions:

  • It is used to heal damage to the inner surface of the stomach.
  • It can be used to treat ulcers of the duodenum.
  • Gastroesophageal Reflux Disease (GERD)
  • Zollinger-Ellison Syndrome (In this rare condition, excessive amounts of acid are produced by the pancreas, and omeprazole can relieve symptoms by reducing this acid production).
  • Helicobacter pylori Infections
  • Zollinger-Ellison Syndrome (In this syndrome, excessive amounts of acid are produced from the pancreas and omeprazole can relieve symptoms by reducing this acid production).

While this list includes some conditions for which omeprazole may be used, it is important to consult with a healthcare professional to ensure precise information about the use of the drug because each patient is different. Decisions regarding the use of medications may vary depending on the patient’s specific situation and health history.

Things To Consider When Using Omeprazole Delayed-Release Capsules (Sumicef)

There are some important points to consider when using Omeprazole (Sumicef) 20 mg extended-release capsules.

Use omeprazole capsules as directed by your doctor and at the recommended dose. Generally, these capsules are taken once a day in the morning on an empty stomach. However, your doctor may adjust the dose specifically for you.

Maintain the integrity of the capsule and try not to touch its contents. If the capsule is damaged or its contents have come out, you should not use that capsule.

Do not chew, crush, or try to remove the contents of the capsules. You should swallow the capsules whole.

Generally, extended-release capsules should be taken in the morning on an empty stomach. However, if your doctor has given different instructions, follow your doctor’s recommendations in this regard.

Be aware of possible interactions between omeprazole and your other medications or supplements. Consult your doctor or pharmacist before using your other medications.

If you are pregnant or breastfeeding, consult your doctor before using omeprazole. In this case, it is important to evaluate the risks and benefits of its use.

In case of any side effects, allergies or discomfort, contact your doctor immediately. Also, attend appointments set by your doctor for regular check-ups.

Long-term use of omeprazole may decrease the absorption of vitamin B12. Your doctor may recommend vitamin B12 supplements if necessary.

If you miss a dose, you should take the next dose on time to return to your normal schedule. However, do not take a double dose.

In addition to these recommendations, as with any medication, you should consult your doctor if you have any questions or concerns before or while using omeprazole capsules.

Medications such as omeprazole may interact with some medications or substances. Therefore, before using omeprazole or similar drugs, you should share with your doctor or pharmacist all the medications and supplements you use. Here are some medications and substances to be aware of when using omeprazole:

Antifungal Medications Such as Ketoconazole and Itraconazole: Omeprazole’s alteration of stomach pH by reducing the production of acid may affect the absorption of some antifungal medications. If you are using this type of antifungal medication, you should discuss this with your doctor.

Antiretroviral Drugs Such as Atazanavir: Omeprazole may decrease the absorption of some antiretroviral drugs such as atazanavir. If you are using antiretroviral medications to treat HIV or another virus, you should discuss this with your doctor.

Clopidogrel (Plavix): Some studies have suggested that using omeprazole and clopidogrel together may cause interactions and reduce the anticoagulant effect of clopidogrel. You should discuss this situation with your doctor and alternative treatment options should be evaluated.

Methotrexate: It has been reported that Omeprazole may increase the toxic effects of methotrexate. If you are using methotrexate, your doctor should evaluate these interactions.

This list may be incomplete and drug interactions may be updated over time. Therefore, you should discuss all your current medications and supplements with your doctor before using omeprazole or any other medication. Remember, your doctor will make an evaluation based on your personal health condition and medical history to provide you with the most accurate and safe treatment.

How To Use Omeprazole (Sumicef) 20 mg Capsules?

It is important to pay attention to your doctor’s or pharmacist’s instructions before using omeprazole 20 mg capsules.

Follow your doctor’s instructions that omeprazole is usually taken once a day. Follow the dosage and frequency of use as directed by your doctor.

Usually, omeprazole capsules are taken in the morning on an empty stomach. However, you should use it according to the specific instructions your doctor gives you. In some cases, it may be appropriate to take it with food.

Do not chew the capsules or crush them to open the powder inside. Swallow the capsules whole. If you have difficulty swallowing the capsule, your doctor may recommend a different formulation.

Use omeprazole regularly and as prescribed. Regular use is important for your medicine to be effective. You may need to use it for a certain period of time.

If your doctor tells you to make any changes in dosage, follow these instructions carefully.

If you experience any problems, side effects or concerns while using the medication, contact your doctor immediately.

Following your doctor’s specific instructions and using the medication regularly will help the treatment be successful. Always remember to contact your doctor if you have any questions or concerns.

Omeprazole (Sumicef) 20 mg Capsules Side Effects

There may be common side effects and rare serious side effects that may occur in some people during the use of capsules. However, not everyone experiences these side effects, and the severity of side effects may vary from one person to another. If you feel any side effects, you should contact your doctor immediately. Here are some side effects that may occur during the use of omeprazole:

Common Side Effects (seen in more than 1% of Drug Use):

  • Headache
  • Stomach ache
  • Diarrhea
  • Nausea
  • Vomiting
  • Constipation
  • Gas problems
  • Loss of appetite
  • Insomnia or fatigue

Less Common Side Effects (seen in less than 1% of Drug Use):

  • Rashes or itching
  • Dizziness
  • Swelling in hands and feet
  • Muscle pains
  • Depression
  • Chest pain
  • Shortness of breath
  • Increase in liver enzymes

Serious Side Effects (Rare, but should be reported to the doctor immediately):

  • Swelling of the face, lips, tongue or throat
  • Difficulty breathing
  • Itching and redness on the skin
  • Jaundice (yellowing of the skin or eyes)
  • Change in urine color
  • Stomach ache

This list of side effects is not complete and different side effects may occur in your case. Your doctor will explain the specific risks and side effects to you before you start using the medicine. If you experience any side effects or have any concerns, you should contact your doctor immediately.

You may also like our article about the Cytopoint dosage table.


Cemsid Esedov is a writer known for his interest in health and wellness issues. Although he is not a doctor in the field of health, he has been researching health and wellness for many years and shares his knowledge in this field. After graduating from university, Cemsid turned his interest in health and lifestyle issues into a professional hobby. He continues to improve himself on topics such as health, nutrition, sports, and mental health and loves to share his knowledge on these subjects. His writings are known for his ability to express complex health topics in an understandable and accessible way. Cemsid's aim is to inspire and guide its readers to adopt a healthier and more balanced lifestyle. Cemsid, who loves writing and trying healthy recipes, prefers to walk in nature, develop healthy recipes and spend quality time with his family in his spare time. Cemsid Esedov's valuable contributions to the health website reflect his aim to encourage his readers to adopt a healthier lifestyle and help them become aware of health issues. Founder and author of Medicineclue.com and Healthong.com websites.
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