Robaxacet (Methocarbamol/Acetaminophen)


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FormulationFormulation: Tablet
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$34.00 ($1.89 per tablet)

$44.50 ($1.11 per tablet)


(Generic Alternative)

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This generic medication is not available at the moment.

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Robaxacet contains acetaminophen, an analgesic that relieves pain, and methocarbamol, a muscle relaxant that helps to relax tense muscles. When used together, these two components work to effectively relieve pain associated with muscle spasms such as back pain, tense neck muscles, strains, and sprains. 

Acetaminophen works to relieve pain, while methocarbamol helps to relax tense muscles, providing relief from muscle spasms and associated pain. 

Methocarbamol is used to treat muscle spasms and pain by helping to relax the muscles. It is usually used along with rest, physical therapy, and other treatments. Methocarbamol works by helping to relax the muscles


  • Take it exactly as prescribed: Follow your healthcare provider's instructions on dosage and frequency. Don't take more than recommended.
  • Take with food: This can help minimize stomach upset caused by acetaminophen.
  • Drink plenty of fluids: Staying hydrated is important, especially when taking Robaxacet.
  • Be aware of drowsiness: Avoid driving or operating machinery until you know how Robaxacet affects you.
  • Tell your healthcare provider about side effects: If you experience bothersome side effects, talk to your healthcare provider. They may adjust the dosage or recommend an alternative medication.


  • Don't take more than recommended: This can lead to liver damage, especially with acetaminophen.
  • Don't take for more than a few days: Robaxacet is typically meant for short-term use. Consult your healthcare provider if symptoms persist.
  • Don't combine with alcohol: This can increase the risk of liver damage and worsen drowsiness.
  • Don't take other medications: Inform your healthcare provider about all medications you take to avoid potential interactions.
  • Don't use it if pregnant or breastfeeding: Discuss the risks and benefits with your healthcare provider before using Robaxacet if you're pregnant or breastfeeding.

Common side effects:

  • Drowsiness
  • Dizziness
  • Headache
  • Nausea
  • Vomiting
  • Heartburn or indigestion
  • Nervousness
  • Stomach pain or cramps
  • Tiredness
  • Belching
  • Double vision
  • Trouble sleeping

Serious side effects that may require immediate medical attention include:

  • Fainting
  • Slow heartbeat
  • Mental/mood changes (such as confusion, forgetfulness)
  • Nausea/vomiting that doesn't stop
  • Easy bruising/bleeding
  • Dark urine
  • Yellowing eyes/skin
  • Hearing problems (such as ringing in the ears, and hearing loss)
  • Signs of kidney problems (such as change in the amount of urine)
  • Fast/pounding heartbeat
  • Unusual tiredness
  • Signs of serious allergic reaction (rare but possible), such as rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing
  • Serious (rarely fatal) bleeding from the stomach or intestines, with symptoms like stomach/abdominal pain that doesn't go away, black stool, or vomit that looks like coffee grounds

This is not an exhaustive list, and other side effects may occur. If you experience any unusual or severe side effects while taking Robaxacet,  contact your healthcare provider for medical advice.

Don't take Robaxacet if you're allergic to methocarbamol or acetaminophen.

This is a neuromuscular disease. Robaxacet may worsen symptoms. Discuss with your healthcare provider if you have this condition.

Robaxacet can cause drowsiness and dizziness. Be cautious driving, operating machinery, or doing activities requiring alertness.

Combining Robaxacet with alcohol can increase the risk of liver damage and worsen drowsiness.

If you have liver or kidney issues, your healthcare provider may need to adjust the dosage or advise against using Robaxacet.

Robaxacet, particularly the acetaminophen component, can irritate the stomach and increase the risk of ulcers. Talk to your healthcare provider if you have a history of ulcers.

Robaxacet may increase bleeding risk. Consult your healthcare provider if you have a bleeding disorder or take blood-thinning medications.

Discuss with your healthcare provider the risks and benefits of using Robaxacet if you're pregnant or breastfeeding.

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Strength(s): 400/325mg
Quantities Available: 18, 40


Important Information
The information above for Robaxacet (Methocarbamol/Acetaminophen) was provided to by third parties. In no way should this information substitute for the advice of a physician. Consult a doctor or qualified health care professional if you have any medical concerns. widget logo
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