Once a person takes to mg of DXM, they may experience side effects similar to those of ketamine. These side effects include strong dissociation, intense hallucinations, and loss of motor coordination. At the fourth plateau of dextromethorphan effects, which refers to taking anywhere from to 1, mg of DXM, the effects are similar to taking a hallucinogen like PCP Angel Dust. Taking this much DXM can produce a trance-like state and out-of-body feeling.
Delirium as well as hallucinations are also common in this plateau and can lead to aggressive or violent behavior. The effects of DXM take 30 to 60 minutes to kick in after the last dose and reach their peak after around 2 to 4 hours.
How long DXM lasts in your system and the duration of its side effects also depend on the dose, other ingredients the medication may contain, your percentage of body fat, and more. DXM is addictive, and you should never take a higher dose or dose more frequently than recommended. Those who are addicted to DXM may turn to other drugs to seek a more intense high.
If you or a loved one is battling addiction, the inpatient drug treatment offered at several of our drug rehabilitation centers can help. How long does dextromethorphan stay in your system?
For instance, the higher the dose, the longer the body will take to metabolize the drug. Additionally, the time it takes for any drug to leave your system heavily depends on its half-life, which is how long it takes for half of it to metabolize. The dextromethorphan half-life is about 3 to 4 hours, meaning that dextromethorphan can stay in your system for about 6 to 8 hours.
Below is a list of DXM half-life according to drug tests:. The maximum recommended daily dose of DXM is mg. Anything above that can result in adverse psychological and physical reactions.
Learn the best ways to manage stress and negativity in your life. American Addiction Centers. Updated December 10, Codeine overdose. Updated October 8, Dangers of Mixing Alcohol and Codeine. Updated November 25, Updated December 17, Harvard Health Publishing.
Ask the doctor: Why does alcohol affect women differently? Alcohol and age: A risky combination. American Association for Clinical Chemistry. Lab Tests Online. Drug Abuse Testing.
Updated November 20, Your Privacy Rights. To change or withdraw your consent choices for VerywellMind. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. The product you take also matters. DXM products often contain other active ingredients that produce their own effects. The effects start to kick in around 30 to 60 minutes after taking DXM and reach their peak at 2 to 4 hours.
Your dose, other ingredients, and your body mass index BMI can affect how quickly you begin to feel it. Your best bet is to try to sleep it off.
In these folks, the substance takes longer to clear from the body, increasing the risk of overdose and death. This can stop your lungs from exchanging oxygen and carbon dioxide, which is medically known as respiratory depression.
This results in slow and shallow breathing. Left untreated, it could lead to respiratory arrest and death. High doses of DXM have been linked to dangerous behavior that stems from effects like hallucinations, psychosis, and agitation. According to various reports , DXM misuse has also been linked to assault, suicide, and homicide. Taking it with other CNS depressants can intensify or prolong the effects of both and significantly increase your risk for respiratory arrest, overdose, and death.
Mixing substances is never a good idea, but the following make for a particularly risky combo with DXM:. They include:. People can develop a substance use disorder, including addiction, around DXM.
Users can develop a tolerance as well as a psychological and physical dependence to DXM. Taking more than the directed dose of DXM — or any medication for that matter — comes with risks.
Just be sure to tell them about specific symptoms so they can send the appropriate response. Have them bend their top knee inward if they can for added support. This position will keep their airways open in case they begin to vomit. In high doses, it can have serious and lasting effects, including dependence. Adrienne Santos-Longhurst is a freelance writer and author who has written extensively on all things health and lifestyle for more than a decade.
Robitussin, along with many other cough-suppressant products, contain an ingredient known as DXM. This can have dangerous interactions and side….
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