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How long do muscle relaxants like Soma stay in your system?

Pain O Soma (Carisoprodol) is one of the bestselling muscle relaxants. It is popularly prescribed for treating acute discomfort due to muscle strain, sprain, or musculoskeletal injuries.

Basics on Pain O Soma

This muscle relaxant works effectively by blocking the painful sensations (aka communication) between nerves and the brain. It blocks the neurotransmission from CNS (Central Nervous System) to the brain and hence the pain isn’t felt for a while. Pain O Soma is used 3 to 4 times per day. Hence, the constant pain-blocking technique suppresses the pain.

Besides this, you should know that Pain O Soma 350 mg is often prescribed as a combination medicine with aspirin, codeine, etc. This decision is made by your doctor based on how severe your muscular pain symptoms are. However, this muscle relaxant drug is prescribed for a limited duration of 3 to 4 weeks only. After that, you must discontinue it otherwise it may start showing abusive effects on your health.

You’ll contend with the fast pain relief. But, did you ever wonder how long its content could stay in your system? By system, we mean your saliva, bloodstream, urine, and hair.

Soma & its effects on your System

To understand the effects of Soma, let’s learn about its action mechanism first.

Carisoprodol is sold under the brand name Soma. Hereby, Carisoprodol content in any Pain O Soma tablet will break down into meprobamate in your system. Carisoprodol absorbs & gets effective within 30 minutes of its consumption. This effect lasts for 4 to 5 hours approximately.

The peak effectiveness of Carisoprodol is found at 1.5 to 2 hours of using this medicine. This means that the half-life of Carisoprodol begins around 2-3 hours of consuming this muscle relaxant. At the same time, you should know that the half-life of Carisoprodol varies according to the patient’s metabolism. But, the half-life of meprobamate is comparatively longer. It stays active for anytime between 6 to 17 hours in which other Soma doses also accommodate.

For instance, if you’re using three Pain O Soma 500 mg tablets per day then the lasting time of meprobamate also expands. At the end of the day, Carisoprodol & its metabolite meprobamate are discarded via urine. They’re still detected in your system for a few days after your last dose.

What influences the lasting time of Soma?

The following factors decide how long Soma would stay in your system:

  • the dosage taken
  • how the drug was used
  • how frequently Soma was taken
  • Whether it was used with or without food
  • The overall water amount of the body
  • Kidney and liver health of the patient

For instance, if the patient uses Soma in combination with some medication then it may take longer to discard from the system. Besides this, some other factors like metabolism, age, genetics, and overall health conditions also influence the lasting time of Soma (Carisoprodol).

The Lasting Duration of Soma in your Urine, Blood & Hair

Soma is not discovered in a standard drug screening panel. You must carry out a test specifically for detecting Soma. Also, this test must detect the presence of both Carisoprodol and its metabolite meprobamate.

Once the test is conducted, it could detect Soma in urine for 2-3 days after the last dose. This is for patients using Soma chronically. The blood test usually detects Soma for up to 24 hours after the last dosage. In the case of a hair test, Soma may show up for around a month after the last dose. Lastly, Soma could be detected in Saliva for up to 4 hours after its last consumption.

The tests for Soma are done in case if the patient is suspected of overdose. You must disclose the medications used within this duration for interpreting results accurately.

Which activities discard Soma faster from your system?

Certain activities could remove Soma faster from your system. However, don’t choose any of these without consulting your doctor.

  • Staying hydrated: The more you stay hydrated, the more you’ll pass urine. As stated above, urination can discard the active contents of this muscle relaxant easily. Beware! If you drink a lot of water, it could do more harm than good if you’re seeking pain relief.
  • Exercising: The exercises targeting body fat burning could eliminate Carisoprodol and its metabolites faster from your system.
  • Activated charcoal: The toxins and residue of Carisoprodol are cleansed by the body via gastrointestinal act.
  • Calcium D glucarate: This is a substance that performs detoxification of kidneys. Most Carisoprodol & its metabolite meprobamate is discarded by kidneys via urine.

You must perform any of these activities under medical supervision only. It’s always a better choice to follow the instructions given by your doctor instead of rushing to discard Carisoprodol.


Once you stop using Pain O Soma (Carisoprodol) then its active ingredients could expectedly last for around 2 weeks in your system. This is when you’re supposed to stop using this muscle relaxant completely. Don’t abuse this drug else you’re prone to habit-forming properties of this medicine. Also, if you think that you’re getting addicted to it then consult your doctor as soon as possible. Seek medical guidance to get rid of drug abuse.