Uses
What is rabeprazole used for?
Rabeprazole is used to treat heartburn and certain other conditions caused by too much acid in the stomach.
- Gastroesophageal reflux disease (GERD), where stomach acid backs up into your esophagus
- To treat or help prevent ulcers
- To treat or help prevent erosive esophagitis (EE)
- Other conditions where your stomach makes too much acid
- Treatment of Helicobacter pylori (H. pylori) infections
Rabeprazole may also be used for other conditions as determined by your healthcare provider.
How does rabeprazole work (mechanism of action)?
Rabeprazole works by decreasing the amount of acid your stomach makes.
How is rabeprazole supplied (dosage forms)?
Rabeprazole is available as Aciphex and generic rabeprazole in the following dosage forms that are taken by mouth.
- 20 mg delayed-release oral tablets
How should I store rabeprazole?
Rabeprazole should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C), for shorter periods of time, such as when transporting it. Store in a cool, dry place.
Side Effects
What are the most common side effects of rabeprazole?
The most common side effects of rabeprazole are listed below. Tell your healthcare provider if you have any of these side effects that bother you.
- Pain
- Sore throat
- Gas
- Infection
- Constipation
- Headache (children ages 12 to 17)
- Diarrhea (children ages 12 to 17)
- Nausea and vomiting (children ages 12 to 17)
- Stomach pain (children ages 12 to 17)
There may be other side effects of rabeprazole that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at www.fda.gov/medwatch or by calling 800-FDA-1088. In Canada, you can report side effects to Health Canada at www.health.gc.ca/medeffect or by calling 866-234-2345.
What are the serious side effects of rabeprazole?
While less common, the most serious side effects of rabeprazole are described below, along with what to do if they happen.
Kidney problems. A type of kidney problem called acute tubulointerstitial nephritis can happen at any time during treatment with rabeprazole. If you notice a decrease in the amount of your urine or see blood in your urine, call your doctor right away.
Antibiotic-associated Diarrhea. An overgrowth of germs called Clostridioides difficile, or “C. diff,” can happen in your gut during treatment with rabeprazole. Call your healthcare provider right away if you have any of the following symptoms of this condition.
- Watery diarrhea
- Diarrhea that does not go away
- Blood in your stool (poop)
- Severe stomach cramps
- Fever that starts after you start or finish the medicine
Severe Skin Reactions. Rabeprazole can cause severe skin reactions, such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), that can lead to death if not treated. If you develop a rash, stop rabeprazole and call your healthcare provider right away. Get emergency help right away if you have any of the following symptoms of SJS or TEN.
- Painful red or purple skin that looks burned and peels off
- Flat red rash or blisters on your skin, mouth, nose, and genitals
- Red, painful, watery eyes
Severe Allergic Reaction called DRESS. Rabeprazole can cause a specific type of allergic reaction called DRESS. DRESS stands for Drug Reaction with Eosinophilia and Systemic Symptoms. It is also sometimes called multi-organ hypersensitivity. This is a reaction that can affect multiple parts of the body including your liver, kidneys, and heart. Stop using the medicine and get help right away if you have any of the following symptoms of this serious allergic reaction.
- Skin rash or pale red bumps on the skin called hives
- Fever or general ill feeling
- Swollen lymph nodes
- Shortness of breath
- Swelling in your feet, ankles, or legs
- Dark colored urine
- Your skin or the whites of your eyes turning yellowish in color (also called jaundice)
Lupus. Some medicines, such as rabeprazole, can cause certain types of lupus or cause worsening of lupus you already have. Lupus is an autoimmune disorder where your immune cells attack other cells or organs in your body. Tell your provider right away if you have new or worsening joint pain or a rash on your arms or cheeks.
Vitamin B-12 deficiency. Rabeprazole can cause you to absorb less vitamin B-12 than usual, which can cause low vitamin B-12 levels. You have a higher risk of this if you take rabeprazole for a long time (3 years or longer). Stop using rabeprazole and call your healthcare provider if you have any of the following symptoms.
- Sore tongue
- Weakness
- Tingling or numbness in your hands or feet
Hypomagnesemia. Rabeprazole can cause low magnesium levels, also known as hypomagnesemia, which can be serious. Decreased magnesium levels can cause seizures or heart rhythm problems. Some people have a higher risk of this, including people who take the rabeprazole for a long time or those that take other medicines that can cause low magnesium. Stop using rabeprazole and call your healthcare provider if you have any of the following symptoms.
- Changes in your heart rate or rhythm, such as fast or skipping heartbeat
- Dizziness
- Muscle spasms
- Seizures
Bone Loss and Fractures. Rabeprazole may cause bone loss and increase your risk for fractures. The risk is higher in older adults and people taking rabeprazole for a long time or taking a high dose.
Severe Allergic Reactions. Rabeprazole may cause allergic reactions, which can be serious. Stop using rabeprazole and get help right away if you have any of the following symptoms of a serious allergic reaction.
- Breathing problems or wheezing
- Racing heart
- Fever or general ill feeling
- Swollen lymph nodes
- Swelling of the face, lips, mouth, tongue, or throat
- Trouble swallowing or throat tightness
- Itching, skin rash, or pale red bumps on the skin called hives
- Nausea or vomiting
- Dizziness, feeling lightheaded, or fainting
- Stomach cramps
- Joint pain
Warnings & Precautions
Who should not use rabeprazole?
Allergies to Ingredients. People who are allergic to any of the following should not use rabeprazole.
- Rabeprazole
- Aciphex
- Any other medicine known as a proton pump inhibitor
- Any of the ingredients in the specific product dispensed
Your pharmacist can tell you all of the ingredients in the specific rabeprazole products they stock.
Drug Interactions. Rabeprazole should not be taken while you are using certain other medicines. Before taking rabeprazole, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details.
What should I know about rabeprazole before using it?
Do not take rabeprazole unless it has been prescribed to you by a healthcare provider. Take it as prescribed.
Do not share rabeprazole with other people, even if they have the same condition as you. It may harm them.
Keep rabeprazole out of the reach of children.
Do not chew, cut, or crush rabeprazole.
Antacids may be taken with rabeprazole if needed.
Rabeprazole should not be used for immediate relief of heartburn. It may take 1 to 4 days for the medicine to fully work.
What should I tell my healthcare provider before using rabeprazole?
Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them determine if rabeprazole is right for you.
Current and Past Health Conditions. Tell your healthcare provider if you have any of the following.
- Low blood potassium level (hypokalemia)
- Low blood magnesium level (hypomagnesemia)
- Low blood calcium level (hypocalcemia)
- Liver problems
Other Medicines and Supplements. Rabeprazole may interact with other medicines and supplements. Before using rabeprazole, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details.
Pregnancy. It is not known if or how rabeprazole could affect pregnancy or harm an unborn baby. Tell your healthcare provider if you are or plan to become pregnant. Your healthcare provider will advise you if you should take rabeprazole while you are pregnant or trying to get pregnant.
Breastfeeding. It is not known if rabeprazole passes into breast milk. Tell your healthcare provider if you are breastfeeding or plan to breastfeed.
Interactions
Does rabeprazole interact with foods or drinks?
Rabeprazole may typically be taken with or without food. Take rabeprazole after a meal if using for the treatment of duodenal ulcers. Take rabeprazole after a meal if using for the treatment of H. pylori infection.
It is unknown if drinking alcohol will affect rabeprazole.
Does rabeprazole interact with other medicines (drug interactions)?
Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.
In particular, make sure that you discuss if you are using any of the following before using rabeprazole.
- Methotrexate (Trexall and others)
- Digoxin (Lanoxin), which is a medicine used to treat irregular heartbeat and some types of heart failure
- Warfarin, which is used as a blood thinner
- Tacrolimus, which is typically used to prevent organ transplant rejection
- Certain antiretroviral medicines, such as rilpivirine (Edurant), nelfinavir (Viracept), or saquinavir (Invirase), which are used for HIV or AIDS
Rabeprazole may affect the absorption of some other medicines. Tell your healthcare provider about all medicines that you take or have recently taken.
This may not be a complete list of medicines that can interact with rabeprazole. Always check with your healthcare provider.
Overdose/Missed Dose
What should I do if I accidentally use too much rabeprazole?
If you or someone else has used too much rabeprazole, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.
What should I do if I miss a dose of rabeprazole?
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and only take the next dose. Do not take double or extra doses.
Are you currently using Rabeprazole (AcipHex)?
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