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  3. Phenzox Tablet 10's

Phenzox Tablet 10's, Pack of 10 TABLETS
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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy

Phenzox Tablet is used for the relief of severe skeletal muscle spasms associated with painful conditions such as low back pain, sprain, strain, myalgia (muscle pain), headache, traumatic muscle injuries, cervical root and disc syndrome, torticollis (neck muscle contractions), and fibrositis (pain and inflammation of muscles). It contains Paracetamol and Chlorzoxazone, which inhibit the synthesis of prostaglandins responsible for pain and inflammation. Also, it acts on the brain and spinal cord centres and provides relief from skeletal muscle spasms. It may cause common side effects such as gastrointestinal disturbances, nausea, dizziness, drowsiness, weakness, and light-headedness. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Composition :

CHLORZOXAZONE-250MG + PARACETAMOL-500MG

Manufacturer/Marketer :

East West Pharma India Pvt Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About Phenzox Tablet

Phenzox Tablet belongs to the class of drugs known as analgesics and muscle relaxants. It is primarily indicated for the relief of severe skeletal muscle spasms associated with painful conditions such as low back pain, sprain, strain, myalgia (muscle pain), headache, traumatic muscle injuries, cervical root and disc syndrome, torticollis (neck muscle contractions), and fibrositis (pain and inflammation of muscles). Muscle spasms are involuntary contractions of muscle, which can be painful.

Phenzox Tablet is a combination of two drugs: Paracetamol (Analgesic) and Chlorzoxazone (Muscle relaxant). Paracetamol works by inhibiting the synthesis of prostaglandins, which are responsible for pain and inflammation. Chlorzoxazone acts on the brain and spinal cord centres, where it inhibits the multisynaptic reflex involved in muscle spasms, thereby providing relief from skeletal muscle spasms. Together, Phenzox Tablet helps in relieving musculoskeletal pain.

You are advised to take Phenzox Tablet for as long as your doctor has prescribed it for you, depending on your medical condition. In some cases, you may experience certain common side effects, such as gastrointestinal disturbances, nausea, dizziness, drowsiness, weakness, and light-headedness. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.

Phenzox Tablet contains paracetamol; do not take any other medicines containing paracetamol along with Phenzox Tablet unless prescribed. Consult your doctor if you are pregnant or breastfeeding. Phenzox Tablet is not recommended for children as safety has not been established. Avoid consuming alcohol along with Phenzox Tablet as it could increase the risk of stomach bleeding. Phenzox Tablet may cause drowsiness and dizziness, so drive only if you are alert. Keep your doctor informed about your health condition and medicines to rule out any side effects/interactions.

Uses of Phenzox Tablet

Phenzox Tablet is used in the treatment of musculoskeletal pain. The detailed uses of Phenzox Tablet are as follows:

  • Muscle Spasm Relief: Phenzox Tablet helps to relieve muscle spasms and cramps, providing comfort and reducing physical discomfort.
  • Pain Management: Phenzox Tablet helps to manage pain due to musculoskeletal conditions, including headache, migraine, sharp nerve pain (neuralgia), toothache, sore throat, period pains, and rheumatic pains by providing relief from chronic pain and discomfort.
  • Fever: Phenzox Tablet is also involved in reducing high body temperature.
  • Post-operative Recovery: In some cases, based on individual health status, the doctor may suggest Phenzox Tablet to relieve pain and discomfort and enhance recovery after surgery.
  • Physical Therapy Aid: Phenzox Tablet can be an adjunct in physical therapy by relaxing muscles, making it easier to perform exercises and treatments and enhancing overall effectiveness.

Directions for Use

• Phenzox Tablet can be taken with food to reduce stomach upset. • It is advised to take Phenzox Tablet once daily or as directed by your doctor, at the same time each day for best results. • Swallow Phenzox Tablet as a whole with a glass of water. • Do not crush, chew, or break it.

Medicinal Benefits

Phenzox Tablet is a combination of two drugs: Paracetamol and Chlorzoxazone. Phenzox Tablet is used to relieve pain and stiffness caused by muscle strains and sprains. Phenzox Tablet is indicated for the relief of severe skeletal muscle spasms associated with painful conditions such as low back pain, sprains, strains, myalgia (muscle pain), headache, traumatic muscle injuries, cervical root and disc syndrome, torticollis (neck muscle contractions), and fibrositis (pain and inflammation of muscles). Paracetamol is an analgesic that inhibits prostaglandin synthesis and is responsible for pain and inflammation. Chlorzoxazone is a muscle relaxant that acts on the brain and spinal cord centres, where it inhibits the multisynaptic reflex involved in muscle spasms, thereby providing relief from skeletal muscle spasms. Together, Phenzox Tablet helps in relieving pain due to muscle spasms.

How Phenzox Tablet Works

Phenzox Tablet is a combination of two drugs: Paracetamol (Analgesic) and Chlorzoxazone (Muscle relaxant). Paracetamol works by inhibiting the synthesis of prostaglandins, which are responsible for pain and inflammation. Chlorzoxazone acts on the brain and spinal cord centres, where it inhibits the multisynaptic reflex involved in muscle spasms, thereby providing relief from skeletal muscle spasms. Together, Phenzox Tablet helps in relieving musculoskeletal pain.

Storage

• Store in a cool and dry place away from sunlight. • Keep out of sight and reach of children. • Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

What if I have taken an overdose of Phenzox Tablet

Do not take more than the prescribed dose of Phenzox Tablet as it may cause overdose. If you suspect you have taken overdose, please consult a doctor immediately.

Drug Warnings

Do not take Phenzox Tablet if you are allergic to any of its contents. Phenzox Tablet contains paracetamol, do not take any other products containing paracetamol along with Phenzox Tablet . Inform your doctor before taking Phenzox Tablet if you have heart, kidney or liver impairment. Consult your doctor if you are pregnant or breastfeeding. Phenzox Tablet is not recommended for children as safety and efficacy have not been established. Avoid consuming alcohol along with Phenzox Tablet as it may cause increased dizziness and can also increase the risk of stomach bleeding. Phenzox Tablet may cause drowsiness and dizziness, so drive only if you are alert. Stop taking Phenzox Tablet and consult your doctor immediately if you have stomach pain or any signs of bleeding in the intestine or stomach, such as blood in stools. Do not take any other NSAIDs for pain relief along with Phenzox Tablet unless prescribed. 

Drug-Drug Interactions

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ParacetamolOxazepam
Severe
ParacetamolLeflunomide
Severe

Drug-Drug Interactions

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ParacetamolOxazepam
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Phenzox Tablet may decrease the excretion rate of Oxazepam which could result in a higher serum level.

How to manage the interaction:
Although there is a possible interaction between Oxazepam and Phenzox Tablet, you can take these medicines together if prescribed by a doctor. Do not stop using any medications without a doctor's advice.
ParacetamolLeflunomide
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Phenzox Tablet and Leflunomide may increase the risk of liver problems.

How to manage the interaction:
Although there is a possible interaction between Phenzox Tablet and Leflunomide, they can be taken together if prescribed by a doctor. However, if you experience fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, less desire to eat, fatigue, nausea, vomiting, abdominal pain, or yellowing of the skin or eyes, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
ParacetamolLomitapide
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Lomitapide and Phenzox Tablet may increase the risk of severity of liver injury.

How to manage the interaction:
Although there is a possible interaction between Phenzox Tablet and Lomitapide, you can take these medicines together if prescribed by a doctor. Do not stop using any medications without a doctor's advice.
ParacetamolMipomersen
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Mipomersen with Phenzox Tablet may increase the risk or severity of liver injury.

How to manage the interaction:
There may be a possibility of interaction between Phenzox Tablet and Mipomersen, but it can be taken if prescribed by a doctor. Do not stop using any medications without talking to a doctor.
ParacetamolValdecoxib
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Phenzox Tablet and Valdecoxib may increase the risk or severity of adverse effects.

How to manage the interaction:
Although there is a possible interaction between Phenzox Tablet and Valdecoxib, you can take these medicines together if prescribed by a doctor. However, if the side effects worsen, please consult a doctor.
ParacetamolTeriflunomide
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Teriflunomide with Phenzox Tablet may increase the risk or severity of Liver problems.

How to manage the interaction:
Taking Phenzox Tablet with Teriflunomide together can possibly result in an interaction, but it can be taken if a doctor has advised it. Do not discontinue any medications without consulting a doctor.
ParacetamolKetamine
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of ketamine and Phenzox Tablet may decrease the effectiveness of Ketamine which could result in a higher blood level.

How to manage the interaction:
Although taking Ketamine and Phenzox Tablet together can evidently cause an interaction, it can be taken if a doctor has suggested it. If you're feeling very sleepy or having trouble breathing, it's important to contact your doctor right away. Do not stop using any medications without a doctor's advice.
ParacetamolKetoconazole
Severe
How does the drug interact with Phenzox Tablet:
Co-administration of Phenzox Tablet and Ketoconazole may increase the risk of liver injury.

How to manage the interaction:
Although there is a possible interaction between Phenzox Tablet and Ketoconazole, you can take these medicines together if prescribed by a doctor. However, if you have joint pain or swelling, fever, chills, unusual bleeding or bruising, skin rash, itching, over-tiredness, nausea, vomiting, loss of appetite, stomach pain, dark-colored urine, light-colored stools, and/or yellowing of the skin or eyes, contact a doctor immediately as these may be signs and symptoms of liver damage. Do not discontinue the medication without consulting a doctor.
ChlorzoxazoneMorphine
Severe
How does the drug interact with Phenzox Tablet:
Using Morphine together with Phenzox Tablet can cause central nervous system depression (a physiological state that can result in a decreased rate of breathing, decreased heart rate, and loss of consciousness).

How to manage the interaction:
Co-administration of Morphine with Phenzox Tablet can result in an interaction, but it can be taken if a doctor has advised it. However, if you experience any symptoms like trouble breathing, feeling tired, or having a cough, dizziness, drowsiness, difficulty concentrating, impaired judgment, reaction speed, and motor coordination, make sure to contact a doctor immediately. Do not stop using any medications without consulting a doctor.
ChlorzoxazoneTapentadol
Severe
How does the drug interact with Phenzox Tablet:
Taking Tapentadol with Phenzox Tablet can increase the risk or severity of side effects like decreased breathing rate, irregular heart rhythms, or problems with movement and memory.

How to manage the interaction:
Taking Phenzox Tablet with Tapentadol can result in an interaction, it can be taken if your doctor has advised it. Contact a doctor immediately if you experience signs such as drowsiness, lightheadedness, palpitations, confusion, severe weakness, or difficulty breathing. Do not discontinue any medications without consulting a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Physical activity helps strengthen muscles and relieves joint stiffness. Gentle activities like 20-30minutes of walking or swimming would be helpful.
  • Performing yoga may also help in improving joint flexibility and pain management.
  • Maintain a healthy weight by performing regular low-strain exercises and eating healthy food.
  • Get adequate sleep, as resting the muscles can help reduce inflammation and swelling.
  • De-stress yourself by meditating, reading books, taking a warm bubble bath or listening to soothing music.
  • Acupuncture, massage and physical therapy may also be helpful.
  • Eat food rich in antioxidants such as berries, spinach, kidney beans, dark chocolate, etc.
  • Foods containing flavonoids help in reducing inflammation. These include soy, berries, broccoli, grapes and green tea.
  • Avoid smoking and alcohol consumption.

Habit Forming

No

Therapeutic Class

MUSCLE RELAXANTS

Phenzox Tablet Substitute

Substitutes safety advice

Product Substitutes

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Alcohol

Unsafe

Avoid consumption of alcohol while taking Phenzox Tablet as it may cause increased dizziness.

bannner image

Pregnancy

Caution

Please consult your doctor if you are pregnant. Your doctor will prescribe only if the benefits outweigh the risks.

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Breast Feeding

Caution

Please consult your doctor if you are breastfeeding, your doctor will decide whether Phenzox Tablet can be taken by breastfeeding mothers or not.

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Driving

Caution

Phenzox Tablet may cause drowsiness and dizziness. Do not drive or operate machinery unless you are alert.

bannner image

Liver

Unsafe

Phenzox Tablet is not recommended in patients with liver impairment. Please consult your doctor if you have a liver impairment or any concerns regarding this.

bannner image

Kidney

Caution

Dose adjustment may be needed in patients with kidney impairment. Please consult your doctor if you have kidney impairment or any concerns regarding this.

bannner image

Children

Unsafe

Phenzox Tablet should not be given to children as safety and effectiveness were not established.

Have a query?

FAQs

Phenzox Tablet is used to treat musculoskeletal pain.

Phenzox Tablet contains Paracetamol and Chlorzoxazone. Paracetamol works by inhibiting the synthesis of prostaglandins responsible for pain and inflammation. Chlorzoxazone acts on the brain and spinal cord centres, where it inhibits the multisynaptic reflex involved in muscle spasms, thereby providing relief from skeletal muscle spasms. Together, Phenzox Tablet helps in relieving musculoskeletal pain.

Take Phenzox Tablet as prescribed by the doctor. Do not take more than 3-4 tablets in 24 hours. Maintain a minimum gap of 6 hours between each dose of Phenzox Tablet . Do not overdose, as it could lead to unpleasant side-effects.

Phenzox Tablet is generally prescribed for short-term use. Avoid taking Phenzox Tablet for longer durations unless prescribed by the doctor, as it could lead to unpleasant side-effects.

Phenzox Tablet contains paracetamol, an antipyretic agent that reduces body temperature to normal by acting on the hypothalamic heat-regulating centre, thereby helping relieve fever. However, Phenzox Tablet is a combination of two drugs: Paracetamol and chlorzoxazone, which is used to relieve pain due to muscle spasms. It is not advisable to take Phenzox Tablet for fever.

Do not take Phenzox Tablet along with other pain killer medicines unless prescribed by the doctor, as it can lead to unpleasant side-effects and can increase the risk of stomach bleeding associated with NSAIDs.

Proper rest and physical therapy are recommended to enhance and complement treatment with Phenzox Tablet .

Phenzox Tablet is generally safe when used as directed by your doctor. However, following the recommended dosage is essential, informing your doctor about your medical history and being aware of potential side effects like gastrointestinal disturbances, nausea, or weakness. Avoid alcohol consumption and other paracetamol-containing medicines. Consult your doctor for guidance if you experience any side effects or have concerns.

No, don't stop taking Phenzox Tablet without consulting your doctor, even if your pain is relieved. Your doctor will guide you on the next steps, including gradually tapering the dosage if necessary, alternative treatments, and managing your condition. Stopping abruptly may lead to pain recurrence, withdrawal symptoms, or reduced medication effectiveness.

Yes, Phenzox Tablet can cause mild and temporary nausea and vomiting as side effects. These symptoms are usually short-term and resolve on their own, but if they persist or worsen, consult your doctor for guidance.

Phenzox Tablet may cause dizziness in some individuals, but not everyone. If you experience dizziness, avoid driving or operating heavy machinery, and rise slowly from a sitting or lying position. With time, your body typically adjusts to the medication, and dizziness often subsides, but if it persists or worsens, consult your doctor for guidance. However, if you're concerned or experiencing severe dizziness, always consult your doctor for advice.

It is essential to consult your doctor before using this medication, especially if you have any pre-existing medical conditions or are taking other medications. Phenzox Tablet has specific contraindications. It should not be used by individuals with hypersensitivity to paracetamol, chlorzoxazone, or any other tablet component. Additionally, it is contraindicated in patients with severe liver or kidney impairment, porphyria, and certain other conditions. Pregnant women, especially in the third trimester, and breastfeeding women should also avoid using this medication. Patients with certain medical conditions, such as bleeding disorders or epilepsy, should consult their doctor before taking Phenzox Tablet .

Phenzox Tablet is primarily intended to treat musculoskeletal pain, such as muscle spasms, sprains, and strains. It is not designed to treat stomach pain or digestive issues. If you are experiencing stomach pain, it is best to consult your doctor to determine the cause and appropriate treatment. Phenzox Tablet is not a suitable medication for stomach pain and using it for unintended purposes may lead to ineffective treatment or potential side effects.

Prolonged or excessive use of Phenzox Tablet may harm your kidneys. This is because the active ingredients, paracetamol and chlorzoxazone, can cause kidney damage when taken in high doses or for too long. However, when used as directed and for a short period, Phenzox Tablet is generally safe for most people. If you have kidney problems or concerns, consult your doctor before taking Phenzox Tablet .

No, taking a higher than the recommended dose of Phenzox Tablet is unsafe. Taking more than the recommended dose can increase the risk of side effects and lead to overdose and potentially life-threatening complications. Always follow the recommended dosage and consult your doctor for any questions or concerns.

Phenzox Tablet is used for the relief of severe skeletal muscle spasms associated with painful conditions such as low back pain, sprain, strain, myalgia (muscle pain), headache, traumatic muscle injuries, cervical root and disc syndrome, torticollis (neck muscle contractions), and fibrositis (pain and inflammation of muscles).

When taking Phenzox Tablet , swallow it whole with a glass of water, with or after food. Stick to the exact dose prescribed by your doctor or the recommended amount on the label. If you're taking it regularly, try to take it at the same time every day.

Common side effects of Phenzox Tablet may include gastrointestinal disturbances, nausea, dizziness, drowsiness, weakness, and light-headedness. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.

It is usually not recommended to take Phenzox Tablet on an empty stomach, as it may lead to nausea, stomach upset, or other gastrointestinal side effects. Taking it with food or milk can help minimize these potential side effects. However, suppose you have specific questions or concerns. In that case, it's always best to consult with your doctor or pharmacist for personalized advice.

Take the missed dose as soon as you remember unless it's almost time for your next dose. In this case, skip the missed dose and take your next dose at the regular time. Never take a double dose to make up for a missed one.

You can take other medicines with Phenzox Tablet only after your doctor has carefully evaluated them. It's important to consult your doctor before combining any medications to ensure safe and effective treatment.

Phenzox Tablet is a combination of two drugs: Paracetamol (Analgesic) and Chlorzoxazone (Muscle relaxant).

Country of origin

India

Manufacturer/Marketer address

16Th Floor, Godrej Bkc, Plot C, G Block, Bandra-Kurla Complex, Bandra (East), Mumbai 400 051, India.
Other Info - PHE0099

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Author Details

Santoshini Reddy GDoctor badge

Written By

Santoshini Reddy G

M Pharmacy

Bayyarapu Mahesh KumarDoctor badge

Reviewed By

Bayyarapu Mahesh Kumar

M Pharmacy

Last Updated

Aug 5, 2025 | 12:23 PM IST

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Reference

  1. https://http://www.alfacure.com/PDF/Relax_E.pdf
  2. https://www.medicines.org.uk/emc/product/5164/pil#gref
  3. https://www.drugs.com/paracetamol.html
  4. https://www.drugs.com/mtm/chlorzoxazone.html

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