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What are the side effects of methadone oral concentrate?

The most serious side effect of methadone hydrochloride oral concentrate is respiratory depression (slowed breathing). This can result in cardiac arrest and death. To avoid this reaction, do not take more methadone hydrochloride oral concentrate than your doctor prescribes. If you experience any of the following serious side effects of methadone hydrochloride oral concentrate, you should let your doctor know right away: fainting, irregular heartbeat, slow or fast heartbeat, persistent dizziness, shortness of breath or shallow breathing, menstrual changes, trouble sleeping, trouble urinating, changes in sex drive, changes in mood or behavior, seizures, confusion, hallucinations, easy bruising or bleeding, and swelling of the extremities. Constipation is a common side effect of methadone hydrochloride. You can take stool softeners or other over-the-counter remedies to help with this. Other side effects may include itching, sweating, headache, dizziness, drowsiness, nausea, vomiting, dry mouth, lightheadedness, and weakness. Methadone hydrochloride oral concentrate can cause dizziness and drowsiness, so it is best not to perform any activities that require alertness, like driving, until you know how this medication affects you.

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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.