Myospaz Tablet: Uses, Side Effects, Composition, Price & Dosages

Myospaz Tablet belongs to the category of mild analgesic and muscle relaxant. Primarily, it is used to relieve pain and treat fever. It is commonly used to relieve symptoms of headache, toothache, backache and pain post-surgery. It is manufactured by Win-Medicare Pvt Limited. It is an over-the-counter medicine. However, it is suggested to start the course of medicine only after consulting a certified medical professional to avoid any side effects or interactions.

Nature: Analgesic and Muscle relaxant
Composition: Paracetamol & Chlorzoxazone
Uses: Fever , pain and swellings
Side effects: Nausea, Vomiting, Lethargy
Precautions: Breastfeeding, pregnant women and Patient suffering with liver and kidney diseases should avoid Myospaz

Myospaz Tablet

It is a combinational drug and contains Acetaminophen (paracetamol) and Chlorzoxazone as its main ingredients. These drugs are known to provide relief from body pain and fever. Hence, the medicine is prescribed for muscle strains, ligament sprains, cramp, ear pain, menstrual pain, fever and other such conditions. The medicine works by relaxing the muscles in the body. However, it is not an alternative for physiotherapy and exercise. The medicine is administered both rectally and orally. It can also be administered intravenously.

Uses and Benefits of Myospaz:

Myospaz Tablet is used to improve, prevent, control and treat the following symptoms, conditions and diseases:

  • Muscle spasm: It helps relieve muscle spasm caused due to dehydration, muscle fatigue, electrolyte abnormalities and the overuse of muscles.
  • Joint pain: It helps relieve joint pain that is caused by osteoarthritis and rheumatoid arthritis.
  • Toothache: It helps relieve toothache and pain in the jaw caused by the decay of tooth.
  • Menstrual cramps: It helps relieve pain and cramps that are caused during the menstrual cycle.
  • Muscular pain: It helps relieve muscle pain that is caused by tendon injuries, overstretching or strain.
  • Fever: It provides relief from fever, but it does not treat the underlying cause.
  • Headache : It helps relieve acute headaches and migraines.
  • Backache : It helps relieve backaches that are caused by herniated disc, arthritis and muscle strain.

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Side Effects of Myospaz:

Some of the most common side effects of using Myospaz Tablet include:

  • Allergic skin reaction: It may cause rashes, itching , hives and spots on skin.
  • Anaemia: It may cause anaemia in some cases.
  • Fatigue: It may cause weakness and tiredness that can cause twitching and muscular pain.
  • Fever: It may cause fever without or with chills.
  • Nausea or vomiting: It may cause nausea and vomiting.
  • Stevens-Johnson syndrome: It may cause allergic skin reaction.
  • Renal problems: It may cause discoloration of urine.

Some of the other commonly reported side effects of Myospaz Tablet include:

  • Acute renal tubular necrosis
  • Black or bloody stools
  • Dizziness
  • Feeling of sickness
  • Itching
  • Nausea
  • Rashes
  • Restlessness
  • Upper stomach pain

In case one experiences any of these side effects, they must consult a doctor immediately.

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Common Dosage of Myospaz:

One must take Myospaz Tablet only if it is prescribed by the doctor in order to rule out the occurrence of any consequence. In case one misses a dose, it is advisable to continue with the next dose and under no circumstance one should take a double dose of the medicine. One must avoiding an overdose of the medicine.

In case one accidently takes an overdose of the medicine, they must consult a doctor immediately. This is because it may cause harmful effects on the body and some of the early symptoms may include stomach pain, yellowing of skin, severe abdominal pain, and loss of appetite.

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Composition & Nature of Myospaz:

The active ingredients of the medicine are Chlorzoxazone and Paracetamol. The functions of the two are as follows:

  • Paracetamol: It is an antipyretic and an analgesic that helps relieve pain like toothache, headache and ear pain.
  • Chlorzoxazone: It helps improve one’s condition and helps depress ones muscle reflexes and increases pain threshold. It also increases the flow of blood in one’s skin, causes sweat and heat loss.

Myospaz Price in India:

  • Myospaz (strip of 10 tablets):  100 INR
  • Myospaz Forte (strip of 10 tablets):  213 INR
  • Myospaz D (strip of 10 tablets):  179.2 INR

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How to Use Myospaz?

  • It should be taken as per the instruction by a doctor or 3 times a day.
  • The medicine should be consumed as a whole and should not be chewed.
  • It should not be broken or crushed before consumption.
  • The medicine should be taken after food.
  • While consuming the medicine, an individual should drink plenty of water.

How Myospaz Tablet Works?

It is a combinational drug. It contains Paracetamol and Chlorzoxazone as its main ingredients. The medicine works in the following manner:

  • Paracetamol: It belongs to the category of anti-pyretic drugs. It works by inhibiting the production of an enzyme called as cyclo-oxygenase which is responsible for the production of Prostaglandin. Prostaglandins are responsible for pain, swelling and fever. Thus, blocking it production provides relief from pain, abscess, etc.
  • Chlorzoxazone: The drug works by inhibiting the nerve signals which are sent to the brain, thus relieving the muscle fibres.

Warnings/Precautions- When to avoid Myospaz Tablet?

Individuals with a history of bleeding disorders are recommended not take this medicine as it can cause severe bleeding and abscess in the anus, intestines and stomach. Additionally, individuals with hypersensitivity to the following are not recommended to take this medicine:

  • One must avoid drinking alcohol with Myospaz Tablet
  • One must avoid taking this medicine and operate heavy machinery or drive
  • One must not use this medicine if one is allergic to paracetamol
  • One must not use this medicine is one has other allergies
  • The medicine should be avoided by pregnant women
  • It should not be used by breastfeeding women

Some other red flags for using this medicine include:

  • Allergy: This medicine is not recommended for an individual with a known allergy to this medicine.
  • Analgesic nephropathy: This medicine is not recommended for an individual with a known history of problems with kidney function.
  • Liver disease: This medicine is not recommended for an individual who has any kind of liver impairment.

Substitutes for Myospaz:

Some of the most common substitutes for Myospaz Tablet include:

  • Myodol Table
  • Myocetamol Tablet
  • Duodil Tablet

Myospaz Tablet Variants:

It is available in following variations:

  • Myospaz Tablet: Acetaminophen (Paracetamol) – 325 mg & Chlorzoxazone- 250mg
  • Myospaz D tablet: Diclofenac (500 mg) & Metaxalone (400 mg)
  • Myospaz Forte Tablet : Chlorzoxazone (500 mg), Paracetamol (Acetaminophen)- 325 mg & Diclofenac- 500mg

Myospaz Interactions:

Myospaz Tablet, when taken along with some other medicines, may result in neutralization of the effects of either of the medicines or some severe side effects.

Here is a list of interaction that may prove to be health hazardous:

Myospaz Drug interactions:

When two drugs are taken at a time, the interactions might result in some medical conditions or nullify the effects of either of the medicines. Here is a list of medicines that should be avoided while consuming Myospaz Tablet:

  • Alprazolam
  • Atorvastatin
  • Cetirizine
  • Diazepam
  • Codeine
  • Diphenhydramine
  • Alprazolam
  • Esomeprazole
  • Carbamazepine
  • Aspirin
  • Alprazolam
  • Altretamine
  • Ketorolac

Myospaz Interaction with Alcohol:

Consuming alcohol along with Myospaz may elevate the risk of liver damage and also cause sleepiness and dizziness.

Myospaz Interaction with Diseases:

The medicine should be avoided in case of following medical conditions:

  • Gastro-intestinal disorders
  • Severe Cardiac disorders
  • Patient with recent surgery
  • Gastro-ulceration
  • Severe kidney impairment
  • Severe liver impairment

Myospaz Interaction with lab tests:

The medicine might interact with a lab test and lead to false result. To avoid any such condition, a lab professional must be informed in advance about the ongoing drugs.

Medicines that should not be taken with Myospaz Tablet:













Chloral Hydrate










How to Store Myospaz?

  • The medicine should be stored in a cool and dry place.
  • The place of storage should be kept away from the reach of children and pets.
  • The medicine should not be stored in bathroom or near the sink.
  • The medicine should not be exposed to direct heat and light.
  • The medicine should not be disposed as it may contaminate the environment.
  • If the medicine has exceeded the expiry date, then the medicine should be disposed properly.
  • The disposal information should be asked from a medical professional or pharmacist.


1) How long does the effect of Myospaz last?

Ans: The consequence of Myospaz last between 4 to 6 hours. However, one must consult a doctor before taking this medicine.

2) How much time does Myospaz take for the medicine to become effective?

Ans: Myospaz Tablet becomes effective within an hour of consuming it. It can help reduce fever within half an hour. However, one must consult a doctor before taking this medicine.

3) Is it safe to take Myospaz Tablet during pregnancy?

Ans: The effect of the Tablet on the foetus is unknown. For this reason, one must consult a doctor before taking this medicine during pregnancy.

4) Is Myospaz habit forming?

Ans: No, It is not habit forming. However, one must exercise caution when taking this medicine and follow the prescribed dosage.

5) Is it safe to take Myospaz Tablet while breastfeeding?

Ans: Yes, it is safe to be taken while breastfeeding. But it makes sense to consult a certified doctor before taking the medicine.

6) I accidentally took an expired dose of Myospaz. What should I do?

Ans: If you have taken an expired dose of medicine, then so well to consult a doctor at the earliest. In order to avoid such scenarios, do well to check the expiry date of the medicine before purchasing and consuming the medicine.

7) How many times can I take Myospaz in a day?

Ans: Myospaz Tablet must be taken as per the dosage prescribed by the doctor.

8) Does Myospaz cause drowsiness?

Ans: Dizziness, drowsiness, tiredness, headache, upset stomach, etc. are just some of the side effect of Myospaz. If any of these symptoms persists for prolonged period, then one must seek immediate medical attention.

9) Is it safe to drive after consuming Myospaz?

Ans: Dizziness and drowsiness are some of the common side effects experienced after consumption of this tablet. These side effects may interfere with one’s ability to drive. Hence, it is suggested to avoid driving or operating any heavy machinery after consuming Myospaz.

10) When Myospaz Tablet should be avoided?

Ans: It should be taken with precaution or avoided in the following circumstances:

  • If one is allergic to chlorzoxaone or medicines which belong to the category of non-steroidal anti-inflammatory drug (NSAID)
  • If one is suffering from peptic ulcer, as consumption of Myospaz Tablet can result in sore and bleeding from colon, stomach and anus.
  • If one is suffering from Asthma.
  • If one is suffering from severe hepatic impairment (liver disorder).
  • If one is suffering from severe renal impairment (kidneys disorders).

11) What happens when an individual takes an overdose of Myospaz?

Ans: If an individual takes more than the prescribed dose, then that individual may experience some undesired side effects. Here is a list of these side issue due to overdose of Myospaz:

  • Lethargy
  • Drowsiness
  • Nausea
  • Vomiting
  • Stomach discomfort

12) What are the side effects of Myospaz Tablet?

Ans: Apart from the desired effect, there are also some unwanted issue produced by Myospaz. Here is a list of side issue experienced by the some patients:

13) What is the medicine Myospaz used to treat?

Ans: The Myospaz is used to treat the following conditions:

  • Muscle spasm
  • Muscle ache
  • Muscle injuries
  • Backache
  • Strains and sprains
  • Soft tissue sports injuries
  • Joint pain
  • Fractures
  • Menstrual pain
  • Dental pain

14) What are the allergic reactions produced from Myospaz Tablet?

Ans: Some allergic reactions experienced by people are as follow:

  • Irregular heartbeat
  • Breathlessness
  • Swelling of face and neck
  • Loss of consciousness
  • Skin rashes
  • Discoloration of the skin of neck and face

15) What is the medicine Myospaz used for?

Ans: Myospaz Tablet belongs to the category of analgesic and muscle relaxant.  Hence, this tablet is used in the treatment of fever, pain, abscess, etc.

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Last updated on : 26-09-2019

Disclaimer : Docprime doesn’t endorse or take any guarantee of the accuracy or completeness of information provided under this article and these are the views strictly of the writer. Docprime shall not be held responsible for any aspect of healthcare services administered with the information provided on this article.

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