Dextromethorphan Uses, Dosage, Side Effects

Find answers to some commonly asked questions about dextromethorphan. “Extended release” means the drug is released into your body slowly over a long period of time. The information below is from the instructions on the product labels. Dextromethorphan is an over-the-counter (OTC) drug used to help relieve a dry cough. It comes as a capsule or liquid suspension (type of mixture) that you’ll swallow. Reframe supports you in reducing alcohol consumption and enhancing your well-being.

Dextromethorphan side effects

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If dextromethorphan hydrobromide and quinidine sulfate is added to the treatment regimen of a patient already receiving a drug primarily metabolized by CYP2D6, the need for a dose modification of the original medication should be considered. The extent to which CYP2D6 interactions may pose clinical problems will depend on the pharmacokinetics of the substrate involved. Some over-the-counter drugs, like cough syrup or nonsteroidal anti-inflammatory drugs (NSAIDs), state on the bottle that they should not be mixed with alcohol; however, many people assume that these drugs are completely safe because they are sold with few restrictions. Dextromethorphan is found in cough syrup and cold/flu gel capsules.

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Mixing the two dextromethorphan with alcohol can also cause severe nausea and vomiting, sometimes lasting for hours. DXM is the most popular cough suppressant sold in the United States.

Mild to moderate hepatic impairment had little effect on quinidine pharmacokinetics. Patients with moderate impairment showed an increased frequency of adverse events. Therefore, dosage adjustment is not required in patients with mild and moderate hepatic impairment, although additional monitoring for adverse reactions should be considered. Quinidine clearance is unaffected by hepatic cirrhosis, although there is an increased volume of distribution that leads to an increase in the elimination half-life.

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  • While some cough syrups contain alcohol, the amount in a single dose of cough syrup is not enough to cause dextromethorphan interactions, as long as it’s used as medically recommended.
  • In extreme cases or if untreated, overdose can lead to coma or death.
  • Of those patients, 393 patients were exposed for at least 180 days and 294 patients were exposed for at least one year.
  • Acetaminophen overdose is the leading cause of acute liver failure in the United States and the second-leading cause of liver failure requiring transplantation.
  • It offers tailored therapy and support, making it a cost-effective and practical option for those with mild to moderate addiction issues.

One of the biggest risks with DXM and alcohol co-use is the potential for additional harmful effects and stress on the liver. Those on semaglutide consumed fewer drinks per drinking session and had reduced weekly alcohol cravings compared with those on placebo. Advise patients to contact their healthcare provider if their PBA symptoms persist or worsen. A population pharmacokinetic analysis of race with 109 subjects (20 Caucasian; 71 Hispanic; 18 Black) revealed no apparent racial differences in the pharmacokinetics of dextromethorphan hydrobromide and quinidine sulfate. The pharmacokinetics of dextromethorphan hydrobromide and quinidine sulfate in pediatric patients have not been studied.

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  • It’s not always easy to figure out which over-the-counter medicine is right for you.
  • Dextromethorphan misuse is dangerous, and it can lead to long-lasting health effects — much like alcohol can.
  • When used at the dosage printed on the product label, dextromethorphan (DXM) is a fairly safe drug intended to reduce coughing.
  • They both dull your senses and slow down your coordination and judgment.
  • Semaglutide, sold by Novo Nordisk as Ozempic for type 2 diabetes and Wegovy for obesity, is part of a class of drugs known as GLP-1 receptor agonists, mimicking the hormone GLP-1 to reduce appetite, slow stomach emptying and regulate insulin.

While some cough syrups contain alcohol, the amount in a single dose of cough syrup is not enough to cause dextromethorphan interactions, as long as it’s used as medically recommended. Dextromethorphan misuse is dangerous, and it can lead to long-lasting health effects — much like alcohol can. When we consider the complexities of DXM and its interactions, especially with alcohol, we unravel a narrative filled with potential risks and unintended consequences.

When people take too much DXM, they might experience hallucinations and “out-of-body” sensations. DXM depresses brain function, particularly affecting the parts of the brain that control breathing and heart function. Approximately 6,000 emergency room visits in the United States each year are attributed to DMX abuse, with half of these visits involving individuals aged 12 to 25 years old. These figures highlight the urgent need for increased awareness and prevention of DXM abuse among teenagers.

While serum quinidine levels can be measured, electrocardiographic monitoring of the QTc interval is a better predictor of quinidine-induced arrhythmia. Treatment of hemodynamically unstable polymorphic ventricular tachycardia (including torsades de pointes) is either immediate cardioversion or, if a cardiac pacemaker is in place or immediately available, immediate overdrive pacing. After pacing or cardioversion, further management must be guided by the length of the QTc interval. Factors contributing to QTc prolongation (especially hypokalemia and hypomagnesemia) should be sought out and (if possible) aggressively corrected. Prevention of recurrent torsades de pointes may require sustained overdrive pacing or the cautious administration of isoproterenol (30 to 150 ng/kg/min). Monitor for worsening clinical condition in myasthenia gravis and other conditions that may be adversely affected by anticholinergic effects.

Dextromethorphan Abuse

A 2024 study showed a link between using GLP-1 drugs (such as Ozempic) and reduced alcohol consumption in people with alcohol use disorder. Another side effect of Ozempic is an increased risk of pancreatitis. This condition can also occur with chronic (long-term) alcohol use.

If dextromethorphan hydrobromide and quinidine sulfate and desipramine are prescribed concomitantly, the initial dose of desipramine should be markedly reduced. The dose of desipramine can then be adjusted based on clinical response; however, a dose above 40 mg/day is not recommended. Adverse drug reactions that occurred in ≥ 3% of patients receiving the 20 mg dextromethorphan/10 mg quinidine twice daily dose, and at an incidence of ≥ 2 times placebo in short-term clinical trials in ALS and MS are provided in Table 1. The recommended starting dose of dextromethorphan hydrobromide and quinidine sulfate capsules are one capsule daily by mouth for the initial seven days of therapy. On the eighth day of therapy and thereafter, the daily dose should be a total of two capsules a day, given as one capsule every 12 hours.

How is Dextromethorphan and Quinidine supplied

Before using any OTC cough or cold products, always check with your doctor. Co-use can increase the common side effects of both, like becoming dizzy or drowsy, and increased heart rate. Side effects of DXM and alcohol can last for several days, depending on the person and the drug mix.

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