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Speedex-MR Tablet

Diclofenac (50mg)+ Paracetamol (325mg)+ Chlorzoxazone (250mg)+ Magnesium Trisilicate (150mg)

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Speedex-MR Tablet is a combination medicine which helps in relieving muscle pain. It relieves muscle stiffness or spasm and improves the movement of muscles. It works by blocking the release of certain chemical messengers that cause pain, inflammation, and fever.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 23 Jan 2026 | 11:54 PM (IST)

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10 tablets

Gurgaon

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within 7 days

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Sep, 2026

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General Information

Contains

Diclofenac (50mg)+ Paracetamol (325mg)+ Chlorzoxazone (250mg)+ Magnesium Trisilicate (150mg)

Marketer

Pharmasynth Formulations Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Speedex-MR Tablet may be prescribed alone or in combination with another medicine. You should take it regularly as advised by your doctor. It should be taken with food. This will prevent you from getting an upset stomach. Do not take more or use it for longer than recommended by your doctor.

Using this medicine may cause few common side effects such as nausea, vomiting, heartburn, stomach pain, and diarrhea. If any of these side effects do not resolve with time or get worse, you should let your doctor know. Your doctor may help you with ways to reduce or prevent them.

The medicine may not be suitable for everybody. Before taking it, let your doctor know if you have any problems with your heart, kidneys, and liver. Let your doctor also know about all the other medicines you are taking to make sure it is safe for you. Pregnant and breastfeeding mothers should consult their doctors before using this medicine.

Uses of Speedex-MR Tablet

Treatment of Muscle pain

Benefits of Speedex-MR Tablet

Treatment of Muscle pain
Speedex-MR Tablet treats muscle pain by relaxing stiff muscles. It also reduces swelling in the muscles. Altogether, it helps in easy movement and reduces discomfort. Once you see some improvement, you can start doing therapy exercises (such as walking or breathing exercises) that will help you get your strength back more quickly. Magnesium Trisilicate, an inorganic salt present in Speedex-MR Tablet prevents acidity that may occur due to the painkillers.

Side effects of Speedex-MR Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Speedex-MR

Nausea
Vomiting
Stomach pain
Loss of appetite
Sleepiness

How to use Speedex-MR Tablet

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. Speedex-MR Tablet should be taken with or after food.

How Speedex-MR Tablet works

Speedex-MR Tablet is a combination of four medicines: Diclofenac, Paracetamol, Chlorzoxazone and Magnesium Trisilicate which relieve pain and relax the muscles. Diclofenac is a non-steroidal antiinflammatory drug (NSAID) and Paracetamol is an antipyretic (fever reducer). They work by blocking the release of certain chemical messengers in the brain that cause pain and fever. Chlorzoxazone is a muscle relaxant. It works on the centers in the brain and spinal cord to relieve muscle stiffness or spasm and to improve pain and movement of muscles. Magnesium Trisilicate is an inorganic salt that neutralizes the excess acid in the stomach.

Quick tips

You have been prescribed Speedex-MR Tablet to get relief from pain and stiffness in the muscles.
Along with taking Speedex-MR Tablet, your doctor might advise you to undergo physiotherapy to get relief from pain.
You might experience nausea, ask your doctor to prescribe you an antiemetic (anti-sickness medicine) if it troubles you.
Inform your doctor if you have a history of seizures, heart disease, or stroke.
Liver problems may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you are having more than one of these symptoms: abdominal pain, clay-colored stools, dark urine, fever, itching, loss of appetite, tiredness, or yellow eyes or skin.

Safety advice

Alcohol

CAUTION

Alcohol should be used with caution while taking Speedex-MR Tablet.

Pregnancy

UNSAFE

Speedex-MR Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.

Breast feeding

CONSULT YOUR DOCTOR

Speedex-MR Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

CONSULT YOUR DOCTOR

It is not known whether Speedex-MR Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

CAUTION

Speedex-MR Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

UNSAFE

Speedex-MR Tablet is unsafe to use in patients with liver disease and should be avoided.
However, the use of Speedex-MR Tablet is not recommended in patients with severe liver disease and active liver disease.

Fact Box

Habit Forming

Therapeutic Class

PAIN ANALGESICS

References

Schreijenberg M, Luijsterburg PA, Van Trier YD, et al. Efficacy of paracetamol, diclofenac and advice for acute low back pain in general practice: design of a randomized controlled trial (PACE Plus). BMC Musculoskelet Disord. 2017 Feb 1;18(1):56. [Accessed 23 Jan. 2026]. Available from:

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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Pharmasynth Formulations Ltd
Address: A-10/15, Jhilmil Industrial Area, Delhi-110095, INDIA

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Speedex-MR Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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