You may report side effects to FDA at 1-800-FDA-1088.Tell your doctor about all your other medicines, especially:This list is not complete. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.Using bismuth subcitrate, metronidazole, and tetracycline with any of the following medicines is not recommended. If you think you have become pregnant while using this medicine, tell your doctor right away.

Use a sunscreen when you are outdoors. However, elderly patients are more likely to have age-related kidney, liver, or heart problems, which may require caution and an adjustment in the dose for patients receiving bismuth subcitrate, metronidazole, and tetracycline.There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Your tongue and stools will go back to normal when you stop using this medicine. Ask your doctor about this if you have any concerns.Do not drink milk or eat dairy products with bismuth subcitrate, metronidazole, and tetracycline.Check with your doctor right away if you start to have a stiff neck, drowsiness, fever, severe headache, nausea, vomiting, painful eye movements, or eye sensitivity to light. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.The presence of other medical problems may affect the use of this medicine. Check with your doctor right away if you start to have a stiff neck, drowsiness, fever, severe headache, nausea, vomiting, painful eye movements, or eye sensitivity to light. Your tongue and stools will go back to normal when you stop using bismuth subcitrate, metronidazole, and tetracycline. Bismuth subcitrate, metronidazole, and tetracycline combination is used together with omeprazole to treat a stomach infection caused by the H. pylori bacteria and duodenal ulcer. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements. Pylera bismuth subcitrate potassium 140 mg / metronidazole 125 mg / tetracycline hydrochloride 125 mg (B M T AXCAN PHARMA) If you use the 10-day Pylera package, keep each capsule in the blister pack until you are ready to take a dose.Bismuth subcitrate potassium 420 mg-metronidazole 375 mg-tetracycline 375 mg orally 4 times a day (after meals and at bedtime)8 years and older: Bismuth subcitrate potassium 420 mg-metronidazole 375 mg-tetracycline 375 mg orally 4 times a day (after meals and at bedtime)Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Version: 4.01.The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records.

The following information includes only the average doses of bismuth subcitrate, metronidazole, and tetracycline. This is only temporary and will not hurt you. The amount of medicine that you take depends on the strength of the medicine. 2003 Feb;17(3):415-20.

The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.Using this medicine with any of the following medicines is not recommended. Do not take other medicines unless they have been discussed with your doctor.

Metronidazole and tetracycline are also antibiotics that fight bacteria in your body. Bismuth subcitrate, metronidazole, and tetracycline combination is used together with omeprazole to treat a stomach infection caused by the H. pylori bacteria and duodenal ulcer.