Omeprazole Tablet Uses, Side Effects, Price 2026
Omeprazole Tablet Uses, Side Effects, Price 2026
What is Omeprazole?
Acidity and stomach tablet ulcers are among the most common health complaints in Pakistan. Omeprazole is one of the most prescribed medicines for these conditions and is available in nearly every pharmacy in the country. It belongs to a class of medicines called Proton Pump Inhibitors (PPIs) and works by significantly reducing the amount of acid produced in the stomach. Omeprazole was one of the first proton pump inhibitors to be developed and has been in use for over 30 years. It works by permanently blocking the hydrogen-potassium ATPase enzyme (the proton pump) in the stomach lining cells, which dramatically reduces acid production. In Pakistan, Omeprazole is available under brands like Risek, Lokit, Omez, and many generics in 20mg and 40mg capsules and tablets.
Omeprazole Uses
- Gastric Ulcers: Heals ulcers in the stomach lining caused by acid or H. pylori bacteria.
- Duodenal Ulcers: Treats ulcers in the first part of the small intestine.
- GERD (Gastroesophageal Reflux Disease): Reduces acid reflux and heartburn.
- Erosive Esophagitis: Heals acid damage to the esophagus (food pipe).
- H. pylori Eradication: Used in combination with antibiotics to eliminate H. pylori bacteria.
- Zollinger-Ellison Syndrome: A rare condition causing excess acid production.
- Prevention of NSAID-related Ulcers: Protects stomach when taking pain medicines like ibuprofen or diclofenac.
Omeprazole Dosage
- GERD and Heartburn: 20mg once daily before breakfast for 4 weeks.
- Gastric Ulcers: 20mg to 40mg once daily for 4–8 weeks.
- H. pylori (Triple Therapy): 20mg twice daily combined with two antibiotics for 7–14 days.
- Prevention with NSAIDs: 20mg once daily.
Always take Omeprazole 30–60 minutes before a meal for best results.
Omeprazole Side Effects
- Headache: A common mild side effect.
- Diarrhea or Constipation: Bowel changes are common.
- Nausea and Stomach Pain: Mild gastrointestinal discomfort.
- Magnesium Deficiency: Long-term use can lower magnesium levels.
- Vitamin B12 Deficiency: Reduced stomach acid decreases B12 absorption over time.
- Bone Weakness: Very long-term use may slightly reduce calcium absorption.
Precautions and Warnings
- Do not take for more than 14 days without a doctor's advice.
- Long-term use should always be under medical supervision.
- If symptoms of heartburn persist despite treatment, consult your doctor.
- Patients with liver disease may need a lower dose.
- Inform your doctor if you are taking clopidogrel (blood thinner) — Omeprazole may reduce its effectiveness.
Omeprazole Price in Pakistan 2026
- Risek 20mg (14 capsules): Approximately Rs. 150–200
- Omez 20mg (14 capsules): Approximately Rs. 100–160
- Generic Omeprazole 20mg (14 capsules): Approximately Rs. 60–100
Frequently Asked Questions
When is the best time to take Omeprazole?
Take Omeprazole 30 to 60 minutes before your first meal of the day. This allows it to be fully absorbed and active when you eat.
Can I take Omeprazole every day?
Short-term daily use (4–8 weeks) is common and safe. Long-term daily use should only be continued under a doctor's guidance.

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