Bismuth Subcitrate Potassium, Metronidazole & Tetracycline Guide

Summary of Key Points

Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride is a combination medication used to treat infections caused by Helicobacter pylori, a bacterium that can lead to conditions such as peptic ulcers, gastritis, and stomach ulcers. This medication works by reducing bacterial growth and protecting the stomach lining. It is typically prescribed as part of a treatment plan that includes a proton pump inhibitor (PPI). Always consult your healthcare provider before starting or adjusting your dose.

Names of Medication

US Brand Name: Pylera

Generic Name: Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride

The generic name refers to the active ingredients in the medication, which are not tied to a specific brand. In this case, the generic name is listed in parentheses.

Pharmacologic Category

Antibiotic combination therapy

Antibacterial

Gastrointestinal agent

Dosing Guidelines for Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride

This medication is prescribed to treat several gastrointestinal conditions, particularly those caused by Helicobacter pylori infections. Below are the dosing guidelines for adults. Always follow your healthcare provider’s instructions and consult them before making any changes to your dose. If you need to speak with a provider, you can schedule a telemedicine appointment with us today.

1. Peptic Ulcer Disease (PUD): Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
2. Helicobacter pylori Infection: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
3. Gastritis: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
4. Duodenal Ulcer: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
5. Stomach Ulcer: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
6. Gastroesophageal Reflux Disease (GERD): Not typically indicated for GERD treatment. Consult your healthcare provider for alternative treatments.
7. Dyspepsia (Indigestion): Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
8. Chronic Gastritis: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
9. Intestinal Infection: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.
10. Bacterial Overgrowth: Take 3 capsules four times daily (after meals and at bedtime) for 10 days.

Dosage Forms and Strengths

Capsules: Bismuth subcitrate potassium 140 mg, Metronidazole 125 mg, Tetracycline hydrochloride 125 mg

Administration Instructions for Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride

Take this medication exactly as prescribed by your healthcare provider. It is typically taken four times a day, after meals and at bedtime. Swallow the capsules whole with a full glass of water. Do not crush or chew the capsules. It is crucial to complete the entire course of treatment, even if you start to feel better, to ensure the infection is fully eradicated. If you miss a dose, take it as soon as you remember, unless it is almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Do not take two doses at once.

Adverse Reactions and Side Effects

Like all medications, Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride can cause side effects. While not everyone will experience them, it’s important to be aware of potential reactions. If you experience any severe or persistent side effects, contact your healthcare provider immediately. You can also schedule a telemedicine appointment with us for further guidance.

Common Side Effects (may affect up to 1 in 10 people):

1. Nausea: Feeling sick to your stomach.
2. Diarrhea: Loose or watery stools.
3. Headache: Mild to moderate pain in the head.
4. Abdominal pain: Discomfort or pain in the stomach area.

Less Common Side Effects (may affect up to 1 in 100 people):

1. Metallic taste: A strange taste in the mouth, often described as metallic.
2. Dizziness: Feeling lightheaded or unsteady.
3. Darkened stool: Stools may appear darker due to the bismuth component.

Rare Side Effects (may affect up to 1 in 1,000 people):

1. Severe allergic reactions: Rash, itching, swelling, or difficulty breathing. Seek medical attention immediately.
2. Nerve damage: Tingling or numbness in the hands or feet (peripheral neuropathy).
3. Severe diarrhea: Persistent diarrhea that may be a sign of a more serious condition (Clostridium difficile infection).

Contraindications for Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride

A contraindication is a specific condition or situation where a particular medication should not be used because it may be harmful. It’s important to know if you have any of these conditions before starting treatment with Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride. Always consult your healthcare provider to ensure this medication is safe for you.

1. Allergy to any component of the medication: If you are allergic to bismuth, metronidazole, tetracycline, or any other ingredients in this combination, taking this medication could cause a serious allergic reaction, including rash, itching, swelling, or difficulty breathing.
2. Severe liver disease: Metronidazole is processed by the liver. If you have severe liver disease, your body may not be able to break down the medication properly, leading to increased side effects or toxicity.
3. Kidney disease: Tetracycline can accumulate in the body if the kidneys are not functioning well, which could lead to toxicity or worsening of kidney function.
4. Pregnancy: Tetracycline can affect fetal development, particularly the bones and teeth, making this medication unsafe during pregnancy (more details in the pregnancy section below).
5. Breastfeeding: Tetracycline and metronidazole can pass into breast milk and may harm a nursing infant (more details in the breastfeeding section below).
6. Alcohol use: Metronidazole can cause a severe reaction when combined with alcohol, leading to nausea, vomiting, flushing, and rapid heart rate. It is important to avoid alcohol while taking this medication and for at least 72 hours after finishing it.

Drug to Drug Interactions

Certain medications may interact with Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride, potentially increasing side effects or reducing the effectiveness of your treatment. It’s important to inform your healthcare provider about all the medications you are currently taking, including over-the-counter drugs, supplements, and herbal products.

Warfarin (Coumadin): Metronidazole can enhance the blood-thinning effects of warfarin, which may increase the risk of bleeding.

Antacids containing aluminum, calcium, or magnesium (Maalox, Tums): These antacids can interfere with the absorption of tetracycline, reducing its effectiveness. To avoid this, take antacids at least two hours before or after taking this medication.

Oral contraceptives (birth control pills): Tetracycline may reduce the effectiveness of birth control pills, increasing the risk of unintended pregnancy. Consider using an additional form of contraception, such as condoms, while taking this medication.

Disulfiram (Antabuse): Combining metronidazole with disulfiram can lead to severe reactions, including confusion, psychosis, and other serious side effects. These medications should not be used together.

Isotretinoin (Accutane): Taking isotretinoin with tetracycline can increase the risk of intracranial hypertension (increased pressure in the brain), which can be dangerous.

Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride in Pregnancy

No, it is not safe to take Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride during pregnancy. Tetracycline can cause permanent tooth discoloration and affect bone development in the unborn baby. Additionally, metronidazole has been associated with potential risks, particularly during the first trimester. If you are pregnant or planning to become pregnant, consult your healthcare provider immediately to discuss safer alternatives.

Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride While Breastfeeding

No, it is not recommended to take Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride while breastfeeding. Both tetracycline and metronidazole can pass into breast milk and may harm a nursing infant. Tetracycline can affect bone and tooth development, while metronidazole may cause side effects such as diarrhea or yeast infections in the baby. If you are breastfeeding, speak with your healthcare provider about alternative treatments.

Estimated Cost of Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride

The estimated cost of a 30-day supply of Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride without insurance ranges from $150 to $200 with a GoodRx coupon. Prices may vary depending on the pharmacy and location, so it’s a good idea to check with your local pharmacy for the most accurate pricing.

Possible Alternatives to Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride

If Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride is not suitable for you, or if you are considering alternative treatments, there are other options available. Always discuss these alternatives with your healthcare provider before making any changes to your treatment plan. Our telemedicine providers are available to help you explore these options.

1. Peptic ulcer disease: Proton pump inhibitors (PPIs) like omeprazole (Prilosec) or H2 blockers like ranitidine (Zantac) can reduce stomach acid and promote healing. Lifestyle changes, such as avoiding spicy foods, alcohol, and smoking, can also help manage symptoms.
2. Helicobacter pylori infection: Other antibiotic combinations, such as clarithromycin (Biaxin) with amoxicillin and a PPI, may be used to treat H. pylori infections. Your healthcare provider can recommend the best regimen for you.
3. Gastritis: PPIs or H2 blockers can help reduce stomach acid and relieve symptoms. Avoiding irritants like NSAIDs (ibuprofen, aspirin) and alcohol can also help manage gastritis.
4. Duodenal ulcer: PPIs and H2 blockers are commonly used to treat duodenal ulcers. Antibiotics may be needed if H. pylori is present.
5. Stomach ulcer: Similar to duodenal ulcers, PPIs and H2 blockers are effective treatments. Avoiding smoking, alcohol, and NSAIDs can help prevent ulcers from worsening.
6. Gastroesophageal reflux disease (GERD): PPIs, H2 blockers, and lifestyle changes such as weight loss, elevating the head of the bed, and avoiding trigger foods can help manage GERD symptoms.
7. Dyspepsia: Antacids, PPIs, or H2 blockers may be used to relieve indigestion. Eating smaller meals and avoiding fatty or spicy foods can also help.
8. Chronic gastritis: Treatment may include PPIs, H2 blockers, and antibiotics if H. pylori is present. Avoiding alcohol, smoking, and NSAIDs can help reduce symptoms.
9. Intestinal infection: Depending on the cause, antibiotics or antiparasitic medications may be needed. Probiotics and staying hydrated can also support recovery.
10. Bacterial overgrowth: Antibiotics such as rifaximin (Xifaxan) may be used to treat bacterial overgrowth. Dietary changes, such as reducing sugar and carbohydrate intake, may also help.

Recent Updates on Bismuth Subcitrate Potassium/Metronidazole/Tetracycline Hydrochloride Research

Recent studies have focused on improving the effectiveness of combination therapies like Bismuth subcitrate potassium/metronidazole/tetracycline hydrochloride for treating H. pylori infections. Researchers are exploring new antibiotic combinations and treatment durations to increase eradication rates and reduce antibiotic resistance. Additionally, ongoing research is examining the role of probiotics in supporting gut health during and after antibiotic treatment. While these studies are promising, it’s important to consult your healthcare provider before making any changes to your treatment plan. Our telemedicine providers can help you stay informed about the latest research and how it may impact your care.

James Kingsley

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