Compare Robaxin vs. Flexeril

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

Robaxin (methocarbamol)

Prescription only
Relaxes your muscles.

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

Relaxes your muscles.

Flexeril (cyclobenzaprine) is widely used to treat muscle spasms and is available as a generic, but it shouldn't be used long-term.

3.5/ 5 average rating with 1064 reviewsforFlexeril
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.
  • Can relieve pain associated with muscle spasms.
  • Available as a generic medication.
  • Can be used by pregnant women, but talk to your doctor about it first.
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.
  • Can cause dizziness and sleepiness.
  • Not meant for long-term therapy.
  • Not recommended in elderly patients, people with glaucoma, or in people with heart conditions (like rhythm problems, heart failure, or recent heart attack).
  • Can make you have dry mouth.
  • Not effective for muscle spasms caused by brain or spinal injuries.
Used for
Dosage forms
  • Pill
  • Pill
  • Liquid
Price
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Reviews
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1064 reviews so far
66%
saidit'sworth it
37%
saiditworked well
14%
saidit'sa big hassle

Have you used Flexeril (cyclobenzaprine)?

Leave a review
Side effects
The Robaxin (methocarbamol) FDA package insert doesn’t have numbers about how common side effects are.
4possible side effects
  • Dry mouth
    6%
  • Dizziness
    3%
  • Fatigue
    3%
  • Nausea
    3%
See more detailed side effects
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
  • Serotonin syndrome
    • Taking monoamine oxidase inhibitors (MAOI)
    • Taking other medications for your mood
  • Dizziness and sleepiness
    • Alcohol or drug use
    • Age over 65 years
  • Heart attack or stroke
    • Recent heart attack
    • Heart rhythm problems
    • Heart failure
  • Dehydration
    • Older than 65 years
    • Dehydration
  • Overactive Thyroid
    • Overactive thyroid
See more detailed risks and warnings