
Aquadrate Cream
Cardeon Formulations (P) Ltd. - Cream - 100 G
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Paracetamol (500mg) + Chlorzoxazone (250mg)
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Phenzox Tablet is used for treatment of Pain due to muscle spasm.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Phenzox Tablet contains Paracetamol (500mg) + Chlorzoxazone (250mg). It belongs to the Para-aminophenol derivative and Centrally acting muscle relaxant class of medicines.
Treatment of Pain due to muscle spasm
Phenzox Tablet is a combination of two medicines: Paracetamol and Chlorzoxazone, which relieve pain and relax the muscles. Paracetamol is an analgesic (pain reliever) and antipyretic (fever reducer). It blocks the release of certain chemical messengers in the brain that are responsible for pain and fever. Chlorzoxazone is a muscle relaxant. It works by acting on the centers in the brain and spinal cord to relieve the muscle stiffness or spasm.
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Phenzox Tablet may be taken with or without food.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
If you miss a dose of Phenzox Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
An overdose of this medicine can cause severe and sometimes fatal liver damage, often with no symptoms at all for the first day. It can cause deep drowsiness, muscle weakness, a fall in blood pressure and slowed breathing. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Phenzox are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Pregnancy CONSULT YOUR DOCTOR |
|---|---|
| Breastfeeding | Breast feeding CONSULT YOUR DOCTOR |
| Alcohol | Alcohol UNSAFE |
| Driving | Driving UNSAFE |
| Kidney | Kidney CAUTION |
| Liver | Liver CAUTION |
| Habit forming | No |
Never exceed the daily maximum printed on the pack. Paracetamol overdose damages the liver, and the damage can be silent for a day or two before it becomes serious. Check every other medicine you are taking. Paracetamol is in a very large number of cold, flu and pain combinations, and the doses add together. If you drink alcohol regularly, or have liver disease, ask your doctor what daily limit is safe for you. See a doctor if fever lasts more than three days, or pain more than five. This medicine causes drowsiness. Do not drive or operate machinery until you know how it affects you. Use it for the short course your doctor has prescribed — these are not intended for long-term use. Do not stop a long course abruptly without asking your doctor.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with severe liver disease, except under medical supervision. Not for people with myasthenia gravis or severe liver disease.
Regular alcohol use increases the risk of liver injury. Tell your doctor if you are on warfarin — regular high-dose paracetamol can affect it. Alcohol, sleeping tablets, antihistamines and opioid painkillers all add to the drowsiness, sometimes dangerously.
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Phenzox Tablet is usually used along with rest and physical therapy. Avoid consuming alcohol when taking Phenzox Tablet as it may cause excessive drowsiness and increase the risk of liver damage. Older adults may have increased drowsiness, confusion, and a higher risk of falling while taking Phenzox Tablet. Do not take it with any other medicine containing acetaminophen (drugs for pain/fever or cough-and-cold) without asking your doctor first.

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The information on Phenzox Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.