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Are there any risks in taking Relistor (methylnaltrexone)?

As with many medications, there are certain risks associated with taking Relistor (methylnaltrexone). In rare cases, people may experience a severe allergic reaction to Relistor; others may experience severe diarrhea or vomiting. Relistor may also cause side effects like dizziness or drowsiness that may make certain activities dangerous, so you should avoid driving or operating machinery until you know how your body reacts to the medication. You should not take Relistor if you have a stomach or intestinal blockage, or any condition that could weaken the structural integrity of your GI tract (like cancer or an ulcer), and you should avoid other laxatives while taking Relistor. Other side effects and risks may be possible, so talk to your doctor before taking Relistor.

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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.