What is the use of Mr Tablet? Understanding Muscle Relaxant Combinations

October 6, 2025 •

3 min read

According to the National Institute of Neurological Disorders and Stroke, back pain is one of the most common reasons for doctor visits in the U.S. In this context, patients often encounter medications with the suffix 'Mr'. It is important to understand that there is no single drug called Mr Tablet; rather, the term is a common abbreviation for combination medications containing a muscle relaxant.

Quick Summary

'Mr Tablet' typically refers to combination medications that include a muscle relaxant and one or more pain-relieving ingredients. These drugs are used to treat conditions involving muscle spasms, inflammation, and pain. They work to improve muscle movement and relieve discomfort associated with various musculoskeletal disorders.

Key Points

Not a Single Drug: 'Mr Tablet' is not a single medication but a common term for combination drugs used to treat muscle pain and spasms.
Common Combination: These products typically combine a muscle relaxant like Chlorzoxazone with pain-relieving NSAIDs (like Diclofenac or Aceclofenac) and Paracetamol.
Dual Action: The drugs work by relaxing muscles through the central nervous system and reducing pain and inflammation at the affected site.
Prescription Required: 'Mr Tablets' are potent, prescription-only medications and should only be used under a doctor's supervision.
Avoid Alcohol: Combining these tablets with alcohol significantly increases the risk of drowsiness and liver damage.
Take with Caution: Individuals with pre-existing heart, liver, or kidney problems should exercise caution and inform their doctor.
Avoid Other Painkillers: To prevent overdose and severe side effects, do not take other NSAIDs or paracetamol-containing drugs while on this medication.

What does the 'MR' suffix mean?

The suffix 'MR' in pharmacology most often stands for Modified-Release or sometimes is used to indicate the presence of a Muscle Relaxant in combination products. Modified-release drugs are designed to release their active ingredients over an extended period. In pain relief medications, 'MR' often signifies a combination drug treating both pain and muscle spasms. Always check the specific brand and ingredients with a healthcare professional.

Common ingredients in 'Mr Tablet' combinations

'Mr Tablets' typically combine three active ingredients to relieve pain and muscle stiffness:

Muscle Relaxant: Often Chlorzoxazone, it acts on the central nervous system to relieve spasms and stiffness.
NSAID: An anti-inflammatory like Diclofenac or Aceclofenac reduces pain and swelling by blocking inflammatory chemicals.
Analgesic: Paracetamol (Acetaminophen) is frequently included to increase the body's pain threshold and reduce fever.

What is the use of Mr Tablet? Primary applications

Combination tablets with 'MR' are primarily used to alleviate symptoms of musculoskeletal disorders, offering relief for:

Muscle Spasms: Painful muscle contractions.
Musculoskeletal Pain: Pain from injuries, strains, or overuse.
Arthritis: Pain, inflammation, and stiffness in conditions like osteoarthritis.
Post-operative Pain: Pain and swelling after surgery.

Mechanism of action: A multi-component approach

'Mr Tablets' target pain and discomfort with a multi-component approach:

Chlorzoxazone: Relaxes muscles by suppressing nerve impulses in the central nervous system.
NSAID (Diclofenac/Aceclofenac): Reduces inflammation and pain at the injury site by inhibiting prostaglandins.
Paracetamol (Acetaminophen): Provides general pain relief and reduces fever by modulating pain signals in the central nervous system.

Dosage, administration, and precautions

Following proper dosage and being aware of precautions are crucial for safe and effective use. Adhere to the doctor's prescribed dosage, which depends on the condition and response. Taking the medication with food can help minimize gastrointestinal side effects. Inform your doctor about your medical history, including any heart, liver, or kidney conditions. These medications are generally not recommended during pregnancy or breastfeeding. Avoid alcohol due to increased risk of drowsiness and liver damage.

Potential side effects and drug interactions

Common side effects of 'Mr Tablets' can include nausea, vomiting, dizziness, drowsiness, stomach pain, heartburn, and diarrhea. These medications can also interact with other drugs. Avoid combining them with other painkillers like NSAIDs or paracetamol to prevent overdose. Combining with anticoagulants can increase bleeding risk, and they may interfere with diuretics and blood pressure medication.

Comparison of different Mr Tablet formulations


Feature	Intagesic-MR Tablet	Flexon-MR Tablet	Med MR Tablet
Primary NSAID	Diclofenac	Ibuprofen	Aceclofenac
Muscle Relaxant	Chlorzoxazone	Chlorzoxazone	Chlorzoxazone
Analgesic	Paracetamol	Paracetamol	Paracetamol
Primary Use	Pain due to muscle spasms, musculoskeletal pain, arthritis	Pain and inflammation from muscle spasms, fever	Muscular pain, inflammation, and stiffness
Common Side Effects	Nausea, dizziness, stomach pain, constipation	Dizziness, nausea, lightheadedness, drowsiness	Nausea, vomiting, heartburn, diarrhea

The importance of a doctor's consultation

'Mr Tablets' are not suitable for self-medication and require a doctor's prescription. A healthcare professional can diagnose the pain's cause and recommend the safest and most appropriate formulation.

Conclusion

'Mr Tablet' is a common term for combination medications treating pain and stiffness from muscle spasms and musculoskeletal issues. These products provide comprehensive relief by combining a muscle relaxant with pain relievers. However, they require a doctor's diagnosis and prescription due to potential risks. Always consult a healthcare professional before starting any new medication.

Learn more about medication safety

Frequently Asked Questions

No, 'Mr Tablet' is not a single, specific medication. It is a common abbreviation for combination drugs that contain both a muscle relaxant and other pain-relieving agents, typically an NSAID and paracetamol.

These combination medications are primarily used to treat painful muscle spasms, musculoskeletal pain, inflammation associated with conditions like arthritis, and discomfort following injuries or surgical procedures.

An Mr Tablet works through its multiple ingredients. A muscle relaxant (e.g., Chlorzoxazone) acts on the central nervous system to ease spasms, while pain relievers (like an NSAID and Paracetamol) reduce inflammation and block pain signals.

No, you should not take an Mr Tablet with other NSAIDs or paracetamol. Doing so can lead to an overdose, potentially causing severe side effects, liver damage, or gastrointestinal bleeding.

Common side effects include dizziness, drowsiness, nausea, vomiting, heartburn, and stomach pain. These are usually mild, but serious side effects can occur, especially with prolonged use.

No, it is highly recommended to avoid alcohol while taking these tablets. Alcohol can increase drowsiness and significantly raise the risk of liver damage.

No, these medications are generally not recommended for use during pregnancy, especially from 30 weeks onward, and may pass into breastmilk. Pregnant or breastfeeding individuals must consult their doctor.