Compare Robaxin vs. Valium

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

Robaxin (methocarbamol)

Prescription only

Valium (diazepam)

Prescription only
Relaxes your muscles.

Robaxin (methocarbamol) effectively relieves muscle spasms, but it can cause drowsiness and interfere with your ability to drive.

Helps you relax.

Valium (diazepam) is effective for occasional or short-term use for anxiety and muscle spasm. Compared to similar drugs, Valium (diazepam) acts very quickly but can have interactions with other medicines.

3.8/ 5 average rating with 976 reviewsforValium
Upsides
  • Effective for relieving muscle spasms and pain.
  • For those with trouble swallowing, the pills can be crushed and mixed with food or liquid.
  • Available in generic form and cheaper than other muscle relaxants.
  • Might be a better treatment option for those with a history of drug abuse since Robaxin (methocarbamol) has a low potential for causing addiction and dependence.
  • Valium (diazepam) effectively relieves anxiety and muscle spasms.
  • Valium (diazepam) has less severe withdrawal symptoms compared to other similar drugs.
  • Works very quickly.
  • Available in generic.
Downsides
  • Robaxin (methocarbamol) can make you sleepy so you might not be able to drive or do certain activities requiring concentration.
  • Need to take a few times throughout the day to maintain effect.
  • Might not be safe to use in people age 65 or older due to increased sensitivity to side effects such as drowsiness.
  • Researches do not know the safety and effectiveness of Robaxin (methocarbamol) in people under age 16.
  • Can be dangerous when used together with other medicines that also cause drowsiness such as narcotics.
  • Use of Valium (diazepam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Valium (diazepam) can be habit-forming, so it's not typically used for long-term treatment.
  • Most people find that their body will get used to Valium (diazepam) levels and they may need higher doses over time to achieve the same effect.
  • People with severe liver problems should not take Valium (diazepam). Several drugs can also interfere with how Valium (diazepam) works.
Used for
Dosage forms
  • Pill
  • Pill
  • Liquid
Price
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Reviews
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976 reviews so far
70%
saidit'sworth it
53%
saiditworked well
15%
saidit'sa big hassle

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Side effects
The Robaxin (methocarbamol) FDA package insert doesn’t have numbers about how common side effects are.
The Valium (diazepam) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Drowsiness
    • Taking other medicines that also cause drowsiness
    • Drinking alcohol
    • People age 65 or older
  • Harm to fetus (unborn baby)
    • Women who want to or can become pregnant
    • Pregnant women
See more detailed risks and warnings
  • Decreased breathing from use with opioids
    • Taking Valium (diazepam) with opioids, drugs or alcohol
    • Using Valium (diazepam) for a longer duration and at high doses
  • Dependence and withdrawal
    • History of substance abuse
    • Taking with alcohol or drugs
    • Taking long-term
    • Taking a higher dose
    • Stopping Valium (diazepam) suddenly
  • Driving impairment
    • Alcohol use with Valium (diazepam)
    • Taking other medicines that make you less alert
  • Drug interactions
    • Current liver problems
    • Taking Tagamet, ketoconazole, Prozac, Prilosec
See more detailed risks and warnings