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AcipHex

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What is AcipHex?

AcipHex (Rabeprazole sodium) is a drug used to treat gastroesophageal reflux disease, or GERD, which is a common digestive problem. In GERD, acid from the stomach flows backward into the esophagus, and irriatates the lining of the esophagus. A muscle usually keeps stomach acid from flowing back into the esophagus, but in GERD, this muscle allows acid from the stomach into the esophagus

How is AcipHex taken?

AcipHex can be taken without regard to meals, but the manufacturer suggests taking it after the morning meal in patients with duodenal ulcer. Tablets should be swallowed whole, without crushing or chewing.

How does AcipHex work?

Acid is secreted in the stomach by a type of cell called the parietal cell. There is an enzyme pump (called the H+/K+ ATPase pump) on the side of this cell closest to the stomach lining that pumps acid into the stomach. This is known as the proton pump. The class of drugs to which rabeprazole belongs inhibits this pump. This is why they're called proton-pump inhibitors. Specifically, rabeprazole blocks the final step in the acid secretion. In contrast to the other PPIs, rabeprazole forms a partially reversible bond with the proton pump. It also works at a broader range of stomach pH. For these reasons, it may work for longer than other PPIs.

What are the risks of using AcipHex?

Complications: There have been some studies that suggest an increased risk of some respiratory infections (eg. community aquired pneumonia) and Clostridium difficile (an organism causing colitis, an inflammation of the bowel) in people taking proton-pump inhibitors (the class of drug that rabeprazole is in). Also, there may an increased risk of hip fracture with prolonged use of proton pump inhibitors. All of these studies have been criticized by some experts for having a flawed study design, so it isn't clear whether the results are meaningful.

Precautions: Rabeprazole does not work for everyone. Improvement in symptoms does not prevent other stomach-related medical conditions. Rabeprazole should be used with caution in patients with severe liver impairment. Rabeprazole is a pregnancy category B drug, meaning there are no studies to determine whether it is safe in pregnancy. It is unknown whether rabeprazole is distributed in breast milk; therefore, depending on the circumstances, either breast feeding or the drug should be discontinued.

Contraindications: Rabeprazole is contraindicated for use in any patient that is sensitive to any of its active or inactive ingredients

What other medications interact negatively with AcipHex?

Proton-pump inhibitors (PPIs) in general may inhibit the absorption of drugs such as: some antifungals, such as griseofulvin (Grisactin), ketoconazole (Nizoral), itraconazole (Sporanox) iron salts vitamin B12 cefpodoxime (Vantin) enoxacin (Penetrex). PPIs are metabolized (broken down) to varying degrees by an enzyme system in the liver called the cytochrome P450 system. They may speed up or slow down the metabolism of other drugs by increasing or decreasing the effects of the cytochrome P450 enzymes. This is important in patients taking medications in which a small difference in dose can be important to its safety, such as: diazepam (Valium) phenytoin (Dilantin) warfarin Rabeprazole is less likely to have some of these interactions as compared to some other drugs in the proton-pump inhibitor class. Still, possible interactions need to be kept in mind.

*The health information contained herein is provided for educational purposes only and is not intended to replace discussions with a healthcare provider. All decisions regarding patient care must be made with a healthcare provider, considering the unique characteristics of the patient.