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What is Carisoprodol?

Carisoprodol is a muscle relaxer that blocks pain sensation between the nerves and the brain.

Carisoprodol is used together with rest and physical therapy to treat skeletal muscle conditions such as pain and injury.

Carisoprodol should only be used for short periods of time, up to 2 or 3 weeks, because there is no evidence of its effectiveness in long-term use. Most skeletal muscle injuries are generally of short duration. Carisoprodol is sold under the brand Soma, among others, and is a medication used for musculoskeletal pain.

The effects generally begin within half and last for up to six hours. It is taken orally. Common side effects include headache, dizziness, and sleepiness.

Its Formula is : C12H24N2O4  

Important Information

Carisoprodol is a rapid action work medicine that takes 30-minutes to effect,

With the aforementioned effects lasting about two to six hours. It is metabolized in the liver via the cytochrome P450 oxidase isozyme CYP2C19, excreted by the kidneys, and has about an eight-hour half-life.

A considerable portion of carisoprodol is metabolized to meprobamate, a known addictive substance; this could account for the addictive potential of carisoprodol (meprobamate levels reach higher peak plasma levels than meprobamate levels carisoprodol itself following administration).

What to know before taking Carisoprodol 

Carisoprodol is a muscle relaxant used with rest, physical therapy, and other measures to relax muscles and relieve pain and discomfort caused by strains, sprains, and other muscle injuries.

You should not use this medicine if you have an allergy to Carisoprodol, Meprobamate, or Porphyria (a genetic enzyme disorder that affects the skin or nervous system).

Please concern your doctor if you have ever had :

  • Liver Disease;
  • Kidney Disease; or
  • A seizure.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant.

Carisoprodol can pass into breastfeeding and may cause drowsiness in a nursing baby. Tell your doctor if you are a breastfeeding mother.

This medicine is not approved for use by anyone younger than 16 years old.

Older adults may be more sensitive to the effects of this medicine.

How to take Carisoprodol

Taking Carisoprodol according to the prescription of your doctor. Follow all the directions given by your doctor and read all medication guide or instruction sheets.

Carisoprodol may be habit-forming. Misuse can cause addiction, overdose, or death.

Selling or giving away this medicine is against the law.

Carisoprodol is usually taken 3 times per day and at bedtime and should be only be taken for 2 or 3 weeks. Call your doctor if your symptoms do not improve or if they get worse. Follow your doctor’s dosing instructions very carefully.

Do not use this medicine suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how to stop using this medicine safely.

Store at room temperature away from moisture and heat.

Carisoprodol Dosage

Usual Adult Dose:

250 to 350 mg orally 3 times a day and at bedtime 

Duration of therapy: Up to 2 to 3 weeks 

NOTE: It is used for the relief of discomfort associated with acute, painful musculoskeletal conditions.


An overdose of Carisoprodol can be fatal, especially if you take this medicine with alcohol or other drugs that can slow your breathing. 

Symptoms may include vision problems, confusion, hallucination, muscle stiffness, loss of coordination, weak or shallow breathing, fainting, seizure, or coma.

What to avoid while using Carisoprodol

Do not drink alcohol. Dangerous side effects or death could occur.

Avoid driving or hazardous activity until you know this medicine will affect you.

Dizziness or drowsiness can cause falls, accidents, or severe injuries.

Carisoprodol side effects

A severe allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including Rash, itching/swelling (especially on face/tongue/throat), severe dizziness, trouble breathing.

What Drugs can interact with Carisoprodol

Contact your doctor if you are taking some other product that causes drowsiness, such as opioid pain or cough relievers, alcohol, marijuana, drugs for sleep or anxiety, other muscle relaxants, or antihistamines.

Check the labels of all medicines because they may contain ingredients that cause drowsiness.