Hyperacidity, GERD, and ulcers:
Indications for: PROTONIX IV
Short-term treatment (7–10 days) of GERD associated with a history of erosive esophagitis. Pathological hypersecretory conditions (eg, Zollinger-Ellison syndrome).
Give by IV infusion over 2mins or 15mins (see full labeling). ≥18yrs: GERD: 40mg once daily for 7–10 days; switch to tabs or oral suspension as soon as possible. Hypersecretory conditions: 80mg every 8–12hrs; usual max 240mg/day or 6 days' treatment.
<18yrs: not established.
PROTONIX IV Contraindications:
Concomitant rilpivirine-containing products.
PROTONIX IV Warnings/Precautions:
Symptomatic response does not preclude gastric malignancy. Discontinue and evaluate if acute tubulointerstitial nephritis, severe cutaneous adverse reactions, or cutaneous/systemic lupus erythematosus occurs. Long-term therapy (eg, >3yrs) may lead to malabsorption/deficiency of Vit. B12. Monitor magnesium levels during prolonged therapy. Consider monitoring magnesium, calcium levels in those with preexisting risk of hypocalcemia (eg, hypoparathyroidism). Increased risk of fundic gland polyps with long-term use (esp. >1yr) or osteoporosis-related fractures (hip, wrist or spine) with long-term (>1yr) and multiple daily dose PPI therapy. Use lowest dose for shortest duration appropriate to condition. Reevaluate periodically. IV: consider zinc supplementation in those prone to zinc deficiency. Pregnancy. Nursing mothers.
PROTONIX IV Classification:
Proton pump inhibitor.
PROTONIX IV Interactions:
See Contraindications. May antagonize atazanavir, nelfinavir (avoid). May potentiate saquinavir, methotrexate (at high doses, consider temporary withdrawal of the PPI); monitor. May alter absorption of gastric pH-dependent drugs (eg, iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole, itraconazole). Caution with digoxin or drugs that may cause hypomagnesemia (eg, diuretics); monitor. Monitor warfarin. May cause false (+) results in diagnostic investigations for neuroendocrine tumors; discontinue pantoprazole 14 days prior to CgA level assessment. May cause false (+) urine THC test. IV: caution with concomitant other EDTA-containing products.
Headache, diarrhea, nausea, abdominal pain, vomiting, flatulence, dizziness, arthralgia; possible C. difficile-associated diarrhea, inj site reactions (IV); rare: hypomagnesemia and mineral metabolism. Also children: URI, fever, rash.
Generic Drug Availability:
Tabs—90; Susp—30 packets; Vials—1, 10, 25