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What should I know about nalidixic acid before taking it?

Avoid nalidixic acid if you are allergic to it or other drugs known as quinolones. Pregnancy or breast-feeding may preclude you from taking this medication. Because diarrhea caused by nalidixic acid may result in death, you should let your doctor know if you begin to have even mild diarrhea while on, or up to two months after finishing, this drug. In order to make an informed treatment decision, your doctor should also know if you have any of the following medical conditions: allergies to medicines, foods, or other substances; Alzheimer's disease; central nervous system disease; atherosclerosis in your brain; increased pressure in your brain; liver problems; sensitivity to the sun; severe kidney problems; or a family history of heartbeat problems. Nalidixic acid may also increase your risk of tendon ruptures and a condition called peripheral neuropathy.

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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.