<p>Pyridoxine&nbsp;usually has no side effects when used in recommended doses.<br />
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If your doctor has prescribed this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.<br />
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Pyridoxine can cause side effects when taken in large doses for a long time. Tell your doctor right away if any of these unlikely but serious side effects occur: headache, nausea, drowsiness, numbness/tingling of arms/legs.<br />
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A very serious&nbsp;allergic reaction&nbsp;to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious&nbsp;allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.<br />
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This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or&nbsp;pharmacist.</p>