Description
VONOPIN 20 mg Tablets
Generic: Vonoprazan fumarate
Strength: 20 mg
Pack shown: 14 tablets
Drug class: Potassium-competitive acid blocker (P-CAB)
Vonoprazan is a potent gastric-acid suppressant used mainly for acid-related gastrointestinal disorders, including erosive esophagitis and, in combination with antibiotics, H. pylori infection.
| Product Detail | Information |
|---|---|
| Brand | VONOPIN |
| Active ingredient | Vonoprazan fumarate |
| Strength | 20 mg |
| Dosage form | Film-coated tablet |
| Route | Oral |
| Pack size shown | 14 tablets |
| Class | P-CAB / gastric acid suppressant |
1. Indications
VONOPIN 20 mg may be prescribed for:
- Erosive esophagitis — healing acid-related damage to the esophagus
- Relief of heartburn associated with erosive esophagitis
- H. pylori infection, when used together with appropriate antibiotics
- Other acid-related conditions according to the locally approved product information.
2. Benefits / Pharmacological Action
- Strongly suppresses gastric acid secretion
- Helps relieve heartburn and acid reflux symptoms
- Promotes healing of acid-damaged esophageal tissue
- Provides prolonged acid suppression
- Can be used as part of combination therapy for H. pylori eradication.
3. Usage / Dosage
For healing erosive esophagitis:
20 mg once daily for 8 weeks is the recommended adult dose in the current U.S. labeling.
For H. pylori infection: vonoprazan 20 mg is used with antibiotics. Regimens include:
- Vonoprazan 20 mg + amoxicillin 1,000 mg + clarithromycin 500 mg, twice daily for 14 days, or
- Vonoprazan 20 mg twice daily + amoxicillin 1,000 mg three times daily for 14 days.
Important: The H. pylori regimen should be prescribed by a doctor; do not use vonoprazan alone to treat H. pylori.
4. Contraindications
Do not use vonoprazan in patients with:
- Known hypersensitivity/allergy to vonoprazan
- Previous serious allergic reaction to the medicine
- Concomitant use of rilpivirine-containing products.
5. Side Effects
Possible adverse effects include:
- Diarrhea
- Abdominal pain/discomfort
- Nausea
- Abdominal bloating
- Constipation
- Headache
- Gastritis
- Changes in liver enzymes
Rare but serious reactions can include severe allergic reactions, kidney inflammation, severe skin reactions, and C. difficile-associated diarrhea.
6. Warnings & Precautions
Use with medical supervision in patients with:
- Liver disease
- Kidney impairment
- Low magnesium or other electrolyte abnormalities
- Long-term acid-suppression requirements
Persistent symptoms despite treatment should be evaluated because improvement with acid suppression does not completely exclude gastric malignancy.
Long-term acid suppression can also be associated with problems such as vitamin B12 deficiency, low magnesium and gastric fundic-gland polyps.
7. How to Take
- Take orally as prescribed.
- It can generally be taken with or without food.
- Take at approximately the same time each day.
- Swallow the tablet as directed; do not alter/crush it unless the product’s specific instructions permit this.
8. Packing Size
VONOPIN 20 mg — 14 tablets per box, according to the supplied image.





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