Prescription Required 
Formulation : 
Description
Indications
The combination of methocarbamol and aspirin is employed for the treatment of muscle spasm and pain. Methocarbamol works by inducing muscle relaxation, while aspirin aids in reducing pain.
Uses and Dosage
Take this medication orally, with or without food, as instructed by your doctor.
Do not exceed the prescribed dose or use this medication more frequently or for a longer duration than prescribed. Increasing the dosage or prolonging the usage may not hasten improvement and can heighten the risk of side effects.
Consume this medication with a full glass of water (8 ounces/240 milliliters), unless otherwise directed by your doctor.
Refrain from lying down for at least 10 minutes after taking this medication. If you experience stomach upset, consider taking it with food or milk.
The dosage is determined by your medical condition and response to treatment. Utilize the smallest effective dose.
Pain medications are most effective when taken at the onset of pain symptoms. Delaying medication until symptoms worsen may reduce its efficacy.
Inform your doctor if your condition persists or deteriorates.
Side Effects
Some side effects may occur that usually do not need medical attention:
- nausea
- vomiting
- stomach pain
- heartburn
- drowsiness
- dizziness
- upset stomach
- blurred vision
Inform your healthcare provider immediately if you experience any serious side effects:
- rash
- itching
- hives
- swelling of the eyes, face, lips, tongue, or throat
- wheezing or difficulty breathing
- hoarseness
- fast heartbeat
- fast breathing
- cold, clammy skin
- ringing in the ears
- loss of hearing
- bloody vomit
- vomit that looks like coffee grounds
- bright red blood in stools
- black or tarry stools
Caution
- Before taking this medication, inform your doctor or pharmacist if you are allergic to methocarbamol, aspirin, NSAIDs (such as ibuprofen), other salicylates (such as choline salicylate), or if you have any other allergies. This product may contain inactive ingredients that could trigger allergic reactions or other complications.
- Prior to using this medication, disclose your medical history to your doctor or pharmacist, especially if you have asthma, nasal polyps, stomach/intestine/esophagus issues, kidney disease, liver disease, bleeding or blood clotting disorders, certain enzyme deficiencies (such as pyruvate kinase, G6PD deficiency), or gout.
- This medication may cause dizziness, drowsiness, or blurred vision. Alcohol or marijuana can exacerbate these effects.
- Refrain from driving, operating machinery, or engaging in activities requiring alertness or clear vision until you can do so safely.
- This medication may lead to stomach bleeding. Regular alcohol and tobacco use, particularly when combined with this medication, may heighten the risk of stomach bleeding. Abstain from alcohol consumption and smoking. Consult your doctor or pharmacist for further guidance.
- This medication contains aspirin. Children and adolescents under 18 years old should not take aspirin if they have chickenpox, flu, or any undiagnosed illness, or if they have recently received a vaccine. In such cases, aspirin increases the risk of Reye’s syndrome, a rare but serious illness.
- Older adults may be more susceptible to the side effects of this medication, particularly stomach/intestinal bleeding and ulcers, drowsiness, and confusion. Drowsiness and confusion can elevate the risk of falling.
- Before using this medication, women of childbearing age should discuss the benefits and risks with their doctor(s). Inform your doctor if you are pregnant or planning to become pregnant. This medication may harm an unborn baby and cause complications during labor and delivery. It is not recommended for use during pregnancy from 20 weeks until delivery. If your doctor deems it necessary to use this medication between 20 and 30 weeks of pregnancy, employ the lowest effective dose for the shortest duration possible. Do not use this medication after 30 weeks of pregnancy.
- It is uncertain whether methocarbamol passes into breast milk. Aspirin does pass into breast milk and may have adverse effects on a nursing infant. Breastfeeding is not recommended while using this medication.
Form and Strength
Robaxisal Extra Strength is available in the following forms and strengths:
- Robaxisal Extra Strength caplet:
- 400 / 500 mg
FAQ
How long does Robaxisal Extra Strength take to work?
The effects of Robaxisal Extra Strength can typically be felt within one hour.
What is the difference between Robaxisal and Robaxacet?
Robaxisal contains methocarbamol combined with aspirin, while Robaxacet contains methocarbamol combined with acetaminophen.
Resources
- https://www.familiprix.com/en/medications/robaxisal-400-500mg-caplet-02230949
- https://medlineplus.gov/druginfo/meds/a682878.html
- https://medlineplus.gov/druginfo/meds/a682579.html
- https://www.healthlinkbc.ca/medications/methocarbamolaspirin-oral
- https://www.webmd.com/drugs/2/drug-2672/methocarbamol-aspirin-oral/details
- https://www.drugs.com/mtm/aspirin-and-methocarbamol.html
