

B47 Street 371, Phnom Penh, Cambodia
Omenix 20 20 mg
Contact pharmacy for pricing
No prescription required
This medicine is available over the counter. Still, please consult your doctor or pharmacist before using new medication.
Last updated 29/05/2026 at 1:10 PM

B47 Street 371, Phnom Penh, Cambodia
Indication
Omenix 20 (Omeprazole 20 mg) is a proton pump inhibitor (PPI) used for the treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease (gastric and duodenal ulcers), eradication of Helicobacter pylori (in combination), and Zollinger-Ellison syndrome.
Ingredients
- Omeprazole
Direction
Adults: 20 mg once daily before a meal. For peptic ulcer: 20–40 mg once daily for 4–8 weeks. For GERD: 20 mg once daily for 4 weeks. For H. pylori eradication: used in combination with antibiotics as prescribed by a physician.
Side effects
- Headache.
- Nausea
- vomiting
- abdominal pain
- diarrhea
- constipation.
- Flatulence.
- Dizziness.
- Rare: hypomagnesemia
- C. difficile infection
- interstitial nephritis.
- Very rare: severe skin reactions (Stevens
- Johnson syndrome).
Precautions
- Prolonged use may increase risk of osteoporosis
- related fractures
- monitor bone density with long
- term use.
- May reduce absorption of drugs dependent on gastric pH (e.g. ketoconazole
- itraconazole).
- Long
- term use associated with hypomagnesemia
- monitor magnesium levels.
- Risk of Clostridioides difficile infection with prolonged use.
- Use with caution in patients with severe hepatic impairment.
- May mask symptoms of gastric cancer
- exclude malignancy before starting treatment.
- Keep out of reach of children.
Indication
Omenix 20 (Omeprazole 20 mg) is a proton pump inhibitor (PPI) used for the treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease (gastric and duodenal ulcers), eradication of Helicobacter pylori (in combination), and Zollinger-Ellison syndrome.
Ingredients
- Omeprazole
Direction
Adults: 20 mg once daily before a meal. For peptic ulcer: 20–40 mg once daily for 4–8 weeks. For GERD: 20 mg once daily for 4 weeks. For H. pylori eradication: used in combination with antibiotics as prescribed by a physician.
Side effects
- Headache.
- Nausea
- vomiting
- abdominal pain
- diarrhea
- constipation.
- Flatulence.
- Dizziness.
- Rare: hypomagnesemia
- C. difficile infection
- interstitial nephritis.
- Very rare: severe skin reactions (Stevens
- Johnson syndrome).
Precautions
- Prolonged use may increase risk of osteoporosis
- related fractures
- monitor bone density with long
- term use.
- May reduce absorption of drugs dependent on gastric pH (e.g. ketoconazole
- itraconazole).
- Long
- term use associated with hypomagnesemia
- monitor magnesium levels.
- Risk of Clostridioides difficile infection with prolonged use.
- Use with caution in patients with severe hepatic impairment.
- May mask symptoms of gastric cancer
- exclude malignancy before starting treatment.
- Keep out of reach of children.
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