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MRP: Rs. 91 for 1 strip(s) (10 tablets each)
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Composition for MYOSPAZ

Paracetamol(500 mg),Chlorzoxazone(250 mg)

food interaction for MYOSPAZ

alcohol interaction for MYOSPAZ

pregnancy interaction for MYOSPAZ

lactation interaction for MYOSPAZ

There is no data available. Please consult doctor before consuming the drug.
Myospaz tablet may cause excessive drowsiness and calmness with alcohol.
Myospaz tablet may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Paracetamol(500 mg)


Paracetamol is used for the relief of mild to moderate pain in conditions such as headache (including migraine), toothache, ear pain, joint pain, pain during menstruation, fever, feverish colds, and flu.

How it works

Paracetamol belongs to class of medications called analgesics (painkiller) and antipyretics (fever reducing). Paracetamol reduces pain by increasing the pain threshold. It reduces fever by acting on the temperature-regulating region of brain, resulting in increased blood flow across the skin, sweating and heat loss.

Common side effects

Skin redness, Allergic reaction, Shortness of breath, Running nose, Nausea, Liver injury, Abnormal blood cell count, Facial swelling, Blisters on skin
Chlorzoxazone(250 mg)


Chlorzoxazone is used to relieve pain and stiffness caused by muscle strains and sprains. 

How it works

Chlorzoxazone is a centrally acting muscle relaxant that causes muscle relaxation and reduces muscle stiffness by blocking nerve impulses (or pain sensations) that are sent to the brain of the central nervous system.

Common side effects

Nervousness, Ovarian hyperstimulation syndrome, Body ache, Dark colored urine, Dizziness, Drowsiness, Liver toxicity, Lightheadedness, Nausea


2 Substitutes
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Expert advice for MYOSPAZ

  • Do not take if you are taking any other products that contain paracetamol, or are allergic to paracetamol or any of the other ingredients.
  • Do not take paracetamol if you drink three or more alcoholic beverages every day.
  • Consult your doctor immediately if you have any skin reaction such as skin reddening, blisters, or rash.
  • Do not take paracetamol without consulting your doctor if you are pregnant or breast feeding.

Frequently asked questions for MYOSPAZ


Q. Is paracetamol safe/ banned/ available in India?
Paracetamol (also known as acetaminophen, crocin, dolo, calpol, pacimol) is an over-the-counter drug available in India. It is generally safe if used at prescribed doses for the prescribed duration as advised by your doctor.
Q. Is paracetamol a painkiller/ used for cold?
Paracetamol is used to relieve mild to moderate pain associated with cold and flu, as well as fever.
Q. Does paracetamol make you drowsy / sleepy? 
Paracetamol does not cause drowsiness. However, paracetamol is available in combination with cough and cold medicines (eg. cetirizine, chlorpheniramine), which may cause drowsiness or sleepiness.
Q. Is paracetamol an NSAID/ antibiotic?
Paracetamol is a anti-pyretic (anti-fever), anti -inflammatory drug, which belongs to the category of non-steroidal anti-inflammatory drug (NSAID). However, unlike other NSAIDS, paracetamol can relieve only mild to moderate pain.
It is not an antibiotic.
Q. Can I take crocin with cetirizine/ aceclofenac/ amoxicillin/ codeine/ tramadol/ warfarin/ erythromycin/ antibiotics?
Yes, paracetamol (available as crocin) can be taken with all of these drugs. Caution is advised when crocin is to be used with warfarin. However, always consult your doctor regarding combined use of crocin with any other drug.
Q. Can I take crocin with ibuprofen/naproxen/other NSAID?
Paracetamol (available as crocin) is available over-the-counter in combination with ibuprofen/naproxen/other NSAID. However, always consult your doctor regarding combined use of crocin with any other drug.
Q. Does paracetamol cause death?
Paracetamol on overdose can severely damage the liver and cause death. No more than 4 grams should be consumed in one day. Always consult your doctor regarding use of paracetamol.
Q. Can calpol make babies/ toddlers sleep/ help in teething pain?
Calpol can relieve pain in infants and children; it does not make them sleep.


Q. Is chlorzoxazone an opiate/ narcotic/ steroid/ controlled substance/ addictive?
No. Chlorzoxazone is mephenesin like centrally acting muscle relaxant that is used to relieve muscle stiffness and pain. It is not a steroid, narcotic, addictive or controlled substance.
Q. Does chlorzoxazone be used for recreational purposes?
No, chlorzoxazone or any other drug should not be used for recreational purpose. Use only when prescribed by the doctor.
Q. Does chlorzoxazone have aspirin or codeine in it?
No. It does not contain aspirin or codeine.
Q. Does chlorzoxazone induce drowsiness/ weight gain?
It is not known to cause weight gain, but may cause drowsiness. If you experience any such side effects, consult your doctor.
Q. Is chlorzoxazone like Vicodin?
No. Vicodin, which contains acetaminophen and hydrocodone, is used to relieve general pain. Chlorzoxazone is a muscle relaxant and different drug altogether.
Q. Is chlorzoxazone the same as Soma?
No. Soma caontains carisoprodol, another mephenesin-like centrally acting muscle relaxant. However, it totally different from chlorzoxazone.
Q. Can I take chlorzoxazone with tramadol, naproxen or ibuprofen?
No known interaction data is available for these drugs. However, it doesn’t mean that the chlorzoxazone can be taken with tramadol, naproxen or ibuprofen. Always consult your doctor regarding the drug usage.
Q. Can I take chlorzoxazone with hydrocodone/ citalopram/ acetaminophen?
No. It is advisable not to take chlorzoxazone with hydrocodone/ citalopram/ acetaminophen since interactions have been reported for this combination.


Content on this page was last updated on 28 September, 2016, by Dr. Varun Gupta (MD Pharmacology)