Vonaco 20mg Tablets Online At Best Price In Pakistan

GENERIC: Vonoprazan

MANUFACTURER: ATCO Laboratories

QUANTITY:
14 tablets per pack

INDICATION

Vonaco 20mg Tab is a potassium-competitive acid blocker indicated for the treatment and management of acid-related gastrointestinal disorders requiring rapid and sustained acid suppression. It is widely prescribed for gastroesophageal reflux disease (GERD), including both non-erosive reflux disease and erosive esophagitis, where it promotes mucosal healing and provides effective symptom relief. It is also indicated for gastric and duodenal ulcers, particularly in patients who have not responded adequately to proton pump inhibitors.

MECHANISM OF ACTION

Vonoprazan inhibits the gastric H⁺/K⁺-ATPase enzyme by competitively blocking the potassium-binding site on parietal cells, thereby preventing acid secretion. Unlike traditional proton pump inhibitors, it does not require activation in an acidic environment, resulting in a rapid onset of action. It provides sustained acid suppression over 24 hours, maintaining higher intragastric pH levels. This enhances mucosal healing, reduces acid reflux symptoms, and improves the efficacy of antibiotics in H. pylori eradication regimens. Its stable pharmacokinetic profile ensures consistent therapeutic effects.

DOSAGE AND ADMINISTRATION

●     GERD and erosive esophagitis: Take 20mg once daily, typically for 4–8 weeks depending on severity.

●     Maintenance therapy: 10–20mg once daily based on symptom control and physician assessment.

●     Gastric or duodenal ulcers: 20mg once daily for 6–8 weeks, adjusted according to healing response.

●     H. pylori eradication: 20mg twice daily in combination with appropriate antibiotics for 7–14 days.

●     Long-term therapy should be periodically reviewed to assess necessity and safety.

SIDE EFFECTS

●     Common: Headache, diarrhea, nausea, abdominal discomfort, flatulence

●     Less common: Constipation, dizziness, elevated liver enzymes, skin rash, pruritus

NOT RECOMMENDED IN

Vonaco is contraindicated in patients with known hypersensitivity to vonoprazan or any excipients in the formulation. It should be used with caution in patients with moderate to severe hepatic impairment due to altered metabolism. Long-term use should only be undertaken under medical supervision, as prolonged acid suppression may increase the risk of gastrointestinal infections, micronutrient deficiencies such as vitamin B12, and electrolyte imbalances.

DRUG INTERACTIONS

Vonoprazan may affect the absorption of drugs that require an acidic gastric environment, such as ketoconazole, itraconazole, and certain antiretrovirals like atazanavir, potentially reducing their efficacy. It is metabolized primarily via CYP3A4 pathways, so co-administration with strong inhibitors or inducers of this enzyme may alter plasma levels. Caution is advised when used alongside medications with narrow therapeutic indices, as changes in gastric pH may influence their bioavailability.

STORAGE INSTRUCTIONS

Store below 30°C in a cool, dry place away from moisture, heat, and direct sunlight. Keep in original packaging and out of reach of children.

WHERE TO BUY

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