Bismuth Subcitrate Potassium; Metronidazole; Tetracycline
Bismuth Subcitrate Potassium, Metronidazole, Tetracycline Hydrochloride Oral capsule
What is this medicine?
BISMUTH SUBCITRATE POTASSIUM; METRONIDAZOLE; TETRACYCLINE (BIZ muth sub SIH trayt poeTAS ee um; me troe NI da zole; tet ra SYE kleen)is an antibiotic. It is used to treat stomach ulcers associated with Helicobacter pylori, a bacterial infection.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
kidney disease
liver disease
nerve problems like neuropathy
an unusual or allergic reaction to bismuth subcitrate potassium, metronidazole, tetracycline, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth with a full glass of water. Do not take it with milk or other dairy products. Follow the directions on the prescription label. This medicine should be taken after meals and at bedtime. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.
Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. If you miss more than 4 doses call your doctor.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
alcohol or any product that contains alcohol
disulfiram
medicines for HIV
other antibiotics like tetracycline, sulfamethoxazole; trimethoprim
sertraline
This medicine may also interact with the following medications:
antacids with aluminum, calcium, magnesium, sodium bicarbonate
birth control pills
calcium
cimetidine
iron
lithium
magnesium
medicines for diabetes
medicines that treat or prevent blood clots like warfarin
methoxyflurane
penicillin
phenobarbital
phenytoin
sulfinpyrazone
zinc
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Visit your doctor for regular check ups. Tell your doctor if your symptoms do not get better or if they get worse.
Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.
Avoid products with aluminum, calcium, magnesium, iron, zinc, or sodium bicarbonate for 2 hours before and after taking a dose of this medicine.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Do not drink alcohol while you are taking this medicine and for at least 1 day after finishing treatment.
This medicine may cause dark tongue and/or grayish black stools. This is only temporary and will go away when you stop taking this medicine.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
chest pain
dizziness
fast, irregular heartbeat
fever, flu like symptoms, sore throat
pain, tingling, numbness in the hands or feet
redness, blistering, peeling or loosening of the skin, including inside the mouth
seizures
throat pain, trouble swallowing
trouble passing urine or change in the amount of urine
unusual bleeding or bruising
unusually weak or tired
white patches in mouth
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
aches, pain
black stools
dark tongue
diarrhea
headache
metal taste in mouth
nausea
stomach gas, pain, upset
vaginal irritation, itch
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light and moisture. Throw away any unused medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert