Pariet

Pariet is the brand name for Rabeprazole sodium, a Proton Pump Inhibitor (PPI) manufactured by Eisai, Japan. It works by irreversibly binding to the proton pump (H+/K+-ATPase) enzyme in the stomach's parietal cells, directly blocking the final step of acid secretion. Unlike H2 blockers, which only block one of several triggers for acid release, PPIs like Pariet suppress acid more strongly and for longer. The tablet has a special coating that resists stomach acid and releases the drug once it reaches the small intestine, giving the inflamed stomach or esophagus lining time to heal as acid levels drop.

Used to treat gastroesophageal reflux disease (GERD), both erosive and non-erosive types. Main symptoms include heartburn, acid regurgitation, and a burning sensation below the breastbone after meals; some patients also get a chronic cough or hoarseness from acid irritating the throat. Also treats gastric and duodenal ulcers, which often cause pain when hungry or at night, prevents ulcers from long-term NSAID painkiller use in patients who need regular pain medication, and is combined with antibiotics in H. pylori eradication regimens — a leading cause of chronic stomach ulcers and, if left untreated, a risk factor for stomach cancer.

The standard dose is 20mg once daily, swallowed whole with water. Do not chew or crush the tablet, as its special acid-resistant coating protects the drug until it reaches the small intestine. Take it in the morning, 30-60 minutes before breakfast, so it takes effect before the meal triggers acid production. Treatment typically lasts 4-8 weeks depending on severity; for severe ulcers or H. pylori regimens, a doctor may extend treatment for another 8 weeks if symptoms haven't fully resolved. Don't stop the medication early even if you feel better, since the underlying ulcer may not have fully healed yet even though the pain has eased.

Common early side effects include headache, bloating, nausea, diarrhea or constipation, mild stomach pain, and dry mouth or a mild rash. Most are mild and improve on their own within the first week as your body adjusts. Hives, facial swelling, or difficulty breathing after taking the medication signal a serious allergic reaction — stop the drug and see a doctor immediately. With continuous use beyond 3 months to a year or more, risks include low blood magnesium, a higher chance of hip, wrist, or spine fractures (especially in older adults), vitamin B12 deficiency after 3+ years, and fundic gland polyps in the stomach after 1+ years of use — so only use it for as long as your doctor recommends.

Do not use if you are allergic to Rabeprazole or any other PPI. Extra caution is needed for patients with severe liver disease, kidney disease, older adults already at risk of osteoporosis, and anyone using the medication continuously for over a year. Pregnant or breastfeeding women should consult a doctor first, since safety data for this group remains limited. Always tell your doctor about any existing conditions and medications before starting Pariet. Importantly, Pariet relieves symptoms but doesn't always treat the underlying cause. If you experience difficulty swallowing, vomiting blood or coffee-ground-like material, unexplained weight loss, or black, tarry stools, stop the medication and see a doctor immediately — these can signal a serious condition, such as gastrointestinal bleeding or stomach cancer, that needs diagnosis before continuing acid-reducing treatment.

Pariet (Rabeprazole) and Nexium (Esomeprazole) are both PPIs, but Rabeprazole relies less on the CYP2C19 enzyme than Esomeprazole, giving it more consistent acid-reducing results across people with different metabolic genetics. Omeprazole GPO (Omeprazole) is an affordable Thai generic PPI — the original drug in this class — but relies more heavily on CYP2C19 than Rabeprazole. Gaviscon Advance (Sodium Alginate) isn't a PPI at all; it's an alginate-based antacid that works within minutes by forming a floating gel layer over stomach acid, best for acute symptoms or right after a meal, unlike PPIs which need to be taken before meals to suppress acid production in advance. Quick summary: choose Pariet for consistent long-term acid control, Omeprazole GPO for an affordable PPI, and Gaviscon Advance for fast relief of a sudden flare-up.

Rabeprazole lowers stomach acidity, which can interfere with the absorption of drugs that need an acidic environment to dissolve, such as ketoconazole and itraconazole, and may raise blood levels of drugs like digoxin or high-dose methotrexate. Because Rabeprazole relies less on the CYP2C19 enzyme than other drugs in its class, it has somewhat fewer CYP2C19-related interactions than some other PPIs, though caution is still needed. Always tell your pharmacist about any regular medications before starting Pariet, especially blood thinners, antifungal medications, and any vitamins or minerals that depend on stomach acid for absorption.

Studies show GERD patients taking Rabeprazole began experiencing improved heartburn symptoms as early as day one of treatment, with a median time to a full 24-hour heartburn-free interval of just 3.5 days — far faster than the 19.5 days seen with placebo. Part of this is due to Rabeprazole binding the proton pump quickly without needing as much liver metabolism as other drugs in its class. This makes Pariet a good fit for anyone who needs symptom control quickly, without waiting several weeks for results.

Where to buy Pariet?

Order online at Intimo Life for nationwide shipping across Thailand in 1-3 business days. Packaging is discreet and does not identify the product on the parcel.