This medicine is a proton pump inhibitor (PPI) used to treat ulcers, gastroesophageal reflux (GERD), erosive esophagitis, or Zollinger-Ellison syndrome. Lansoprazole may also be used to treat ulcers due to long-term use of certain pain/anti-inflammatory drugs (NSAIDs). This medicine works by blocking acid production in the stomach. It may be used in combination with antibiotics (e.g., amoxicillin, clarithromycin) to treat certain types of ulcers. It may also be used to treat other conditions as determined by your doctor
Follow the directions for using this medicine provided by your doctor. TAKE THIS MEDICINE before eating unless directed otherwise by your doctor. Be sure to follow your doctor's directions on how many times a day you should take this medicine. Open the packet and pour the contents into a container containing 2 tablespoonfuls (1 oz. or 30 ml) of water. Stir well and drink the entire suspension mixture immediately. If any granules remain in the bottom of the container after drinking the mixture, add a little more water to the container, stir the mixture again and drink it immediately. DO NOT use other liquids or foods to make suspension mixture. DO NOT CRUSH OR CHEW the granules. DO NOT use the mixture in feeding tubes as the suspension may clog the tube. DO NOT prepare the mixture in advance and store for later use. Doing so may destroy the drug and/or increase side effects. DO NOT GIVE THE ORAL SUSPENSION through any feeding tubes. Potent acid-reducing medicines such as omeprazole can decrease the effectiveness of sucralfate, as well as other drugs such as the antifungals ketoconazole and itraconazole. If instructed to take any of these medicines while taking omeprazole, consult your doctor or pharmacist regarding the proper timing of each dose. For example, if you are instructed to take sucralfate in addition to omeprazole, it is best to take the omeprazole at least 30 minutes before your sucralfate. Use this medicine regularly in order to get the most benefit from it. To help you remember, use it at the same time each day. CONTINUE TAKING THIS MEDICINE even if you feel better. Do not miss any doses.
SIDE EFFECTS that may occur while taking this medicine include constipation or diarrhea. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience stomach pain. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.
KEEP ALL DOCTOR AND LABORATORY APPOINTMENTS while you are using this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS DRUG IS EXCRETED in breast milk. DO NOT BREAST-FEED while taking this medicine
This drug should not be used with the following medication because very serious interactions may occur: atazanavir. If you are currently using this medication, tell your doctor or pharmacist before starting lansoprazole. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: cilostazol, theophylline, voriconazole, warfarin. Lansoprazole can decrease the effectiveness of certain drugs which require stomach acid in order to be absorbed. Before using this medication, consult your doctor or pharmacist on how to manage such a potential interaction if you are taking the following drugs: ampicillin, azole antifungals (e.g., ketoconazole, itraconazole), iron supplements. Based on information for similar drugs, lansoprazole may increase the amount of digoxin that is absorbed into your blood. Consult your doctor or pharmacist for details if you also take digoxin. Do not start or stop any medicine without doctor or pharmacist approval.
IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Store at room temperature (77 degrees F or 25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.