Compare Soma vs. Valium

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Soma
(carisoprodol)

Valium
(diazepam)

Relaxes your muscles. Soma (Carisoprodol) is widely used to treat muscle spasms and is available as a generic, but it's not considered a first-choice treatment for muscle spasms. It's also not meant for long-term therapy.Helps you relax. Valium (Diazepam) is okay for occasional or short-term use (up to 4 weeks) for anxiety and for pain and sleeplessness from muscle spasm. Less severe withdrawal symptoms compared to similar drugs.
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Coupons for Soma
Best available price for 90 (350mg) tablets of carisoprodol
Coupons for Valium
Best available price for 60 (5mg) tablets of diazepam
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.74Soma
Reviews for Soma (carisoprodol)
61%
of people (All ages) say Soma (carisoprodol) is worth it
39%
say it works well
9%
say it's a big hassle
220 reviews
Have you used Soma (carisoprodol)?
Worth itNot sureNot worth it
Reviews for Valium (diazepam)
70%
+9% better vs. Soma (carisoprodol)
53%
+14% better vs. Soma (carisoprodol)
15%
-6% worse vs. Soma (carisoprodol)
976 reviews
Have you used Valium (diazepam)?
Worth itNot sureNot worth it
Side effects
SomaValium
  • Drowsiness 7%
  • Dizziness 6%
  • Hedache 3%
  • Central nervous system reactions 2%
More Soma side effects »

The Valium FDA package insert doesn’t have numbers about how common side effects are.

More about Valium side effects »
How it works
SomaValium
Soma (Carisoprodol) is a muscle relaxant. It works in the brain to help calm down muscle spasms.Valium (Diazepam) is a fast-acting benzodiazepine. It affects neurotransmitters in the brain and calms the nervous system. This reduces anxiety and muscle spasms, and causes sleepiness.
Type of medication
SomaValium
Prescription only
Prescription only
Available as
SomaValium
  • Pill
  • Pill
  • Liquid
  • Rectal gel
Used for
SomaValium
Risk factors for serious side effects
SomaValium
  • Taking other medications that also cause sleepiness
  • Recreational drug use
  • Excessive alcohol use
  • Prior history of drug abuse
  • Prior history of overdoses of drugs of abuse, recreational drugs or alcohol
Detailed Soma (carisoprodol) risks & warnings »
  • Taking more than the prescribed dose
  • Taking longer than 4 weeks
  • History of drug abuse
  • Long-term use
  • Alcohol
Detailed Valium (diazepam) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Research studies with real people found harmful effects on unborn babies, but the benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Alcohol
SomaValium
  • Don't drink alcohol while on this medication.
  • Can be habit-forming, so it's not typically used for long-term treatment, or for people who've had problems with drug or alcohol abuse.
  • Not safe to use with alcohol.
Kidneys and liver
SomaValium
No kidneys and liver related info.
  • Processed by the liver, so might not be the best choice if you have liver problems.
Pain
SomaValium
  • Can cause stomach pain, nausea and vomiting.
No pain related info.
Sleep
SomaValium
No sleep related info.
  • Can cause memory problems, drowsiness, dizziness, and confusion.
  • Can cause temporary dizziness and drowsiness.
Upsides and benefits
SomaValium
  • Available in generic.
  • Available in two different strengths, although the smaller strength is only available as brand name and thus more expensive.
  • Effective at relieving short-term anxiety and sleeplessness.
  • Can be used together with antidepressants to manage anxiety disorders. Especially helpful for anxiety symptoms while you wait for an antidepressant to kick in (it can take several weeks).
  • Effective at relieving muscle spasms caused by a variety of conditions.
  • Less severe withdrawal symptoms compared to other benzodiazepines.
Downsides and risks
SomaValium
  • Not first line for treating muscle spasms.
  • Can cause dizziness and sleepiness.
  • Not meant for long term therapy.
  • Can cause dependence and withdrawal symptoms if you stop taking it suddenly.
  • Processed by the liver, so might not be the best choice if you have liver problems.
  • Can cause memory problems, drowsiness, dizziness, and confusion.
  • Can be habit-forming, so it's not typically used for long-term treatment, or for people who've had problems with drug or alcohol abuse.
  • Most people find that it gets less effective over time.
Tips from our pharmacists for people taking the medication
SomaValium
  • Can cause dizziness, fatigue, and sleepiness.
  • Take the medication at the same time each day.
  • Not to be used for long-term treatment (2 to 3 weeks maximum)
  • Don't drink alcohol while on this medication.
  • Can cause stomach pain, nausea and vomiting.
  • Good for short-term relief of anxiety symptoms.
  • Starts working in 30 minutes when swallowed.
  • Helpful with muscle spasms.
  • Can cause temporary dizziness and drowsiness.
  • Addictive. Long-term use can cause dependence or abuse.
  • Not safe to use with alcohol.
Learn more
More about SomaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Soma (carisoprodol)?
Worth itNot sureNot worth it
More about ValiumSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Valium (diazepam)?
Worth itNot sureNot worth it