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What should I know about bismuth subcitrate potassium before taking it?

Talk to your doctor about using prescription bismuth subcitrate potassium if you have or have ever had a blood disorder, seizure disorder, or other brain or nervous problems. Talk to your doctor about using bismuth subcitrate potassium if you have liver or kidney disease, esophagus disorders, or trouble swallowing. You should not take prescription bismuth subcitrate potassium if you are allergic to bismuth subcitrate potassium, metronidazole, tetracycline, nitroimidazoles, other tetracycline antibiotics, or other bismuth products. Bismuth subcitrate potassium may cause dizziness. Do not drive or operate tools or machinery until you know how it will affect you. Do not drink alcohol while you are taking bismuth subcitrate potassium or for 24 hours after you stop. Drinking alcohol with bismuth subcitrate potassium can cause nausea, vomiting, headaches, stomach cramps, and flushing.

Avoid receiving a live vaccine while taking bismuth subcitrate potassium. Bismuth subcitrate potassium can make hormonal birth control less effective. Talk to your doctor about using a secondary form of birth control while you are taking bismuth subcitrate potassium.

Bismuth subcitrate potassium can increase your sensitivity to sunlight. Wear sunblock and other sun protection while you are taking bismuth subcitrate potassium. Bismuth subcitrate potassium may temporarily darken your stools or tongue. This is normal and not expected to cause harm.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.