Robaxacet (Methocarbamol/Acetaminophen) Shopper Approved

Prescription Prescription Required FormationFormulation: Tablet


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Prescription Prescription Required FormationFormulation: Tablet


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Robaxacet is a prescription oral medication used to treat muscle pain and discomfort associated with strains, sprains, or other muscle injuries. It contains methocarbamol, a muscle relaxant, and acetaminophen, a pain reliever.

Robaxacet is used to treat musculoskeletal pain and spasms, such as those associated with back pain, neck pain, and sprains/strains. It is typically taken by mouth and comes in regular and extra strength formulations.

Uses and Dosage

Robaxacet is typically taken by mouth with or without food, as directed by your healthcare provider usually once a day. Take the tablet by mouth with or without food as directed by your doctor. Do not increase your dose or use this drug more often or for longer than prescribed. Your condition will not improve any faster, and your risk of side effects will increase.

The dosage and frequency of Robaxacet may depend on your individual situation, such as the severity of your symptoms and your response to the medication. Follow your healthcare provider's instructions and not exceed the recommended dosage or take Robaxacet for longer than prescribed.

Side Effect

Common Side Effects of Robaxacet (Methocarbamol/Acetaminophen):

  • Blurred vision
  • Confusion
  • Dizziness
  • Double vision
  • Drowsiness
  • Flushing (warmth, redness, or tingly feeling)
  • Lack of coordination
  • Nausea
  • Problems with memory
  • Sleep problems (insomnia)
  • Upset stomach
  • Vomiting

Serious Side Effects of Robaxacet (Methocarbamol/Acetaminophen):

  • Chills
  • Fever
  • Flu symptoms
  • Lightheadedness
  • Seizure (convulsions)
  • Slow heartbeats
  • Yellowing of your skin or eyes (jaundice)

Form and Strength

Robaxacet (Methocarbamol/Acetaminophen) is available in the following forms and strength:

Robaxacet: Tablet

  • 400/325mg


  • If you have known allergies to methocarbamol or acetaminophen, you should not take Robaxacet.
  • Robaxacet contains acetaminophen, which can cause liver damage in high doses. If you have liver problems, you should take Robaxacet with caution and under the supervision of a doctor.
  • If you have impaired kidney function, the dose of Robaxacet may need to be adjusted, as methocarbamol is eliminated through the kidneys.
  • The use of Robaxacet during pregnancy should be avoided unless it is clearly needed, as the safety of this medication during pregnancy has not been established. Consult with your doctor if you are pregnant or planning to become pregnant.
  • Methocarbamol should be used with caution in patients with myasthenia gravis, as it can worsen muscle weakness.
  • Acetaminophen should be used with caution in patients who consume three or more alcoholic drinks per day, as this increases the risk of liver damage.
  • Methocarbamol can cause CNS (Central Nervous System) depression, which can affect your ability to drive or operate machinery. Use it with caution if you are planning to perform tasks that require mental alertness.
  • Robaxacet can interact with other medications, including warfarin, which can cause bleeding, and other medications that affect the liver or kidneys.

Frequently Asked Questions (FAQ)

Can I take Robaxacet if I have liver or kidney problems?

Talk to your healthcare provider before taking Robaxacet if you have liver or kidney problems, as they may affect the way your body processes the medication.

How long can I take Robaxacet for?

The length of time you can take Robaxacet will depend on your individual situation and your healthcare provider's instructions. It is important to follow their recommendations and not take Robaxacet for longer than prescribed.

Can I stop taking Robaxacet abruptly?

Do not stop taking Robaxacet abruptly, as this may cause withdrawal symptoms such as anxiety, confusion, and muscle stiffness. It is important to talk to your healthcare provider about how to safely stop taking Robaxacet.

Can I drink alcohol while taking Robaxacet?

Do not drink alcohol while taking Robaxacet, as it may increase the risk of side effects such as drowsiness and dizziness.

Is Robaxacet available over the counter?

Robaxacet is available only with a prescription from a healthcare provider.

Can Robaxacet be used for chronic pain?

Robaxacet is typically used to treat acute episodes of musculoskeletal pain and spasms, and it is not recommended for chronic pain management. Talk to your healthcare provider about other options for chronic pain relief.


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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Robaxacet (Methocarbamol/Acetaminophen). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Robaxacet (Methocarbamol/Acetaminophen).