Diclofenac Sodium 50 mg, Paracetamol 325 mg & Chlorzoxazone 250 mg Tablets

What is Diclofenac Sodium 50 mg, Paracetamol 325 mg & Chlorzoxazone 250 mg Tablets?

Diclofenac Sodium 50 mg, Paracetamol 325 mg & Chlorzoxazone 250 mg Tablets are a combination formulation containing an NSAID, an analgesic-antipyretic and a centrally acting muscle relaxant. The combination is used in the management of painful musculoskeletal conditions where pain, inflammation and associated muscle spasm occur together.

Uses / Indications

Diclofenac Sodium 50 mg, Paracetamol 325 mg & Chlorzoxazone 250 mg Tablets may be used in the management of:

• Acute musculoskeletal pain
• Painful muscle spasm
• Back and neck pain associated with muscle spasm
• Sprains and strains accompanied by pain and inflammation
• Other painful musculoskeletal conditions where muscle relaxation and analgesic treatment are clinically appropriate

The specific indication and treatment duration should follow the approved product information and healthcare professional’s recommendation.

Benefits

• Combines analgesic, anti-inflammatory and muscle-relaxant actions in a single oral formulation.
• Diclofenac sodium contributes analgesic and anti-inflammatory activity.
• Paracetamol provides additional analgesic and antipyretic activity.
• Chlorzoxazone helps reduce muscle spasm through its centrally acting muscle-relaxant effect.
• May be useful when pain, inflammation and muscle spasm occur together.

Side Effects

Common Side Effects

Possible adverse effects may include:

• Nausea
• Vomiting
• Indigestion
• Abdominal discomfort
• Diarrhoea
• Dizziness
• Drowsiness
• Headache
• Weakness
• Skin rash

Less Common or Serious Side Effects

Clinically important reactions may include:

• Gastrointestinal ulceration or bleeding
• Severe allergic or hypersensitivity reactions
• Bronchospasm in susceptible individuals
• Liver-related adverse effects
• Kidney-related adverse effects
• Fluid retention or oedema
• Severe skin reactions
• Significant sedation or central nervous system effects

Chlorzoxazone has also been associated with rare but potentially serious liver injury. Medical attention should be sought if jaundice, dark urine, severe abdominal symptoms, unusual fatigue, gastrointestinal bleeding, breathing difficulty or severe skin reactions occur.

How Does It Work?

Diclofenac Sodium

Diclofenac inhibits cyclooxygenase (COX) enzymes involved in prostaglandin production. Prostaglandins contribute to pain and inflammation. Reducing their production helps decrease inflammatory activity and relieve pain.

Paracetamol

Paracetamol provides analgesic and antipyretic effects through predominantly central mechanisms. It contributes to pain relief and reduction of fever, with relatively limited peripheral anti-inflammatory activity compared with NSAIDs.

Chlorzoxazone

Chlorzoxazone is a centrally acting skeletal muscle relaxant. It acts primarily within the central nervous system to reduce excessive skeletal muscle activity and helps relieve muscle spasm associated with painful musculoskeletal conditions.

Combination Effect

The three ingredients provide complementary actions: diclofenac addresses pain and inflammation, paracetamol provides additional analgesic activity, and chlorzoxazone helps reduce associated muscle spasm.

Dosage Guidelines

The appropriate dose and treatment duration depend on the patient’s age, indication, severity of symptoms, medical history, renal and hepatic function, other medicines being used, and clinical response.

The exact dose and treatment duration should follow the approved product information and the recommendation of a qualified healthcare professional.

For oral tablets:

• Take exactly as prescribed.
• Swallow the tablet with sufficient water unless otherwise directed.
• Do not crush, split, chew or dissolve the tablet unless permitted by the approved product information.
• Avoid additional paracetamol-containing, diclofenac-containing or muscle-relaxant medicines unless specifically advised.
• Because chlorzoxazone may cause drowsiness, caution is advised when performing activities requiring alertness.

When Not to Use

This combination should generally not be used in patients with:

• Known hypersensitivity to diclofenac, paracetamol, chlorzoxazone, other NSAIDs, or any component of the formulation
• Previous serious allergic reactions associated with NSAIDs
• Active gastrointestinal ulceration or bleeding
• Severe hepatic impairment
• Severe renal impairment where NSAID treatment is contraindicated
• Severe heart failure or other conditions in which diclofenac is contraindicated

Particular caution is required in patients with a history of liver disease because chlorzoxazone has been associated with hepatic adverse effects.

Drug / Product Interactions

Clinically relevant interactions may occur with:

• Other NSAIDs
• Aspirin and antiplatelet medicines
• Anticoagulants
• Corticosteroids
• Selective serotonin reuptake inhibitors (SSRIs)
• Diuretics and certain antihypertensive medicines
• Medicines affecting renal function
• Methotrexate
• Lithium
• Cyclosporine or tacrolimus
• Other medicines containing paracetamol
• Sedatives and other central nervous system depressants
• Alcohol
• Medicines that may affect hepatic function or metabolism

Patients taking multiple medicines should inform their healthcare professional before starting treatment.

Safety Advice

Overdose

If an overdose is suspected, seek immediate medical attention or contact an appropriate poison-control or emergency medical service. Excessive paracetamol exposure can cause serious liver injury, while excessive diclofenac or chlorzoxazone exposure may cause additional serious complications.

Missed Dose

Take the missed dose when remembered unless it is nearly time for the next scheduled dose. If the next dose is due soon, skip the missed dose and continue with the regular schedule. Do not double the next dose unless specifically instructed by a healthcare professional.

Pregnancy

This combination should be used during pregnancy only when clinically appropriate and following professional medical advice. Diclofenac, like other NSAIDs, has important restrictions during later pregnancy.

Breastfeeding

Use during breastfeeding should be discussed with a healthcare professional, who can assess the potential benefits and potential risks of the individual components.

Children

Use in children should follow age- and indication-specific recommendations in the approved product information. This fixed-dose combination may not be appropriate for every paediatric patient.

Elderly Patients

Older patients may be more susceptible to NSAID-related gastrointestinal, renal and cardiovascular adverse effects and to central nervous system effects such as dizziness or drowsiness. Appropriate assessment may be required.

Renal Impairment

Patients with renal impairment should seek professional medical advice before using diclofenac-containing medicines. Suitability and dosage depend on renal function and other clinical factors.

Hepatic Impairment

Particular caution is required in patients with liver disease because paracetamol and chlorzoxazone can contribute to hepatic risk. Professional assessment is recommended before use.

Driving and Operating Machinery

Chlorzoxazone may cause drowsiness, dizziness or reduced alertness. Patients experiencing these effects should avoid driving, operating machinery or performing activities requiring full attention.

General Instructions

• Take the medicine according to the prescribed schedule.
• Swallow the tablet with sufficient water unless otherwise directed.
• Do not take additional medicines containing paracetamol or NSAIDs without appropriate medical advice.
• Avoid combining with other sedating medicines unless advised by a healthcare professional.
• Avoid alcohol during treatment because it may increase central nervous system effects and contribute to hepatic or gastrointestinal risks.
• Do not exceed the recommended dose.
• Keep the medicine in its original packaging where appropriate.
• Do not share prescription medicines with other people.
• Follow the approved product information and healthcare professional’s instructions.

Special Dietary / Lifestyle Tips

No specific dietary restriction is generally required unless advised by a healthcare professional.

Alcohol should preferably be avoided during treatment because chlorzoxazone may cause central nervous system depression, while alcohol may also increase gastrointestinal and liver-related risks associated with the other components.

Comparison with Other Treatments

This combination differs from single-ingredient analgesics or muscle relaxants because it provides three complementary pharmacological actions in one formulation.

Diclofenac provides NSAID-related analgesic and anti-inflammatory activity, paracetamol provides analgesic and antipyretic effects, and chlorzoxazone provides centrally acting muscle-relaxant activity. Single-ingredient or two-component treatments may be selected when all three therapeutic actions are not clinically required.

Treatment selection depends on the underlying condition, severity of symptoms, patient-specific risk factors, concurrent medicines and the approved indication.

Precautions & Warnings

• Confirm any history of allergy or hypersensitivity to the active ingredients or other NSAIDs.
• Avoid unnecessary concurrent use of other NSAIDs or paracetamol-containing products.
• Use cautiously in patients with gastrointestinal disease.
• Consider renal function in patients at risk of kidney impairment.
• Patients with liver disease require particular caution because of potential hepatic effects.
• Avoid alcohol during treatment.
• Chlorzoxazone may cause drowsiness or dizziness; caution is required with driving and machinery operation.
• Patients with cardiovascular disease or hypertension should receive appropriate professional assessment before diclofenac use.
• Long-term NSAID treatment may require medical monitoring.
• Use during pregnancy and breastfeeding should be based on appropriate professional assessment.
• Seek urgent medical attention for gastrointestinal bleeding, severe allergic reactions, serious skin reactions, jaundice or other significant adverse effects.

Can I Use It With Other Medicines?

Generally Compatible With

The combination may be used with other medicines when clinically appropriate after assessment of the patient’s complete medication profile. Compatibility should be confirmed by a healthcare professional.

Use With Caution / Avoid

Particular caution is required with:

• Other NSAIDs or aspirin used for analgesic purposes
• Anticoagulants and antiplatelet medicines
• Corticosteroids
• Medicines affecting kidney function
• Certain antihypertensive medicines and diuretics
• Lithium
• Methotrexate
• Other medicines containing paracetamol
• Sedatives and other CNS depressants
• Alcohol
• Medicines that may affect liver function

Do not start, stop or change other medicines without appropriate medical advice.

Storage

Store according to the storage conditions stated on the approved product label and package insert.

• Keep properly closed.
• Protect from excessive heat.
• Protect from moisture.
• Keep out of reach of children.
• Do not use after the expiry date.
• Keep in the original packaging where appropriate.

Frequently Asked Questions

1. What are Diclofenac Sodium 50 mg, Paracetamol 325 mg & Chlorzoxazone 250 mg Tablets used for?

They are used in the management of painful musculoskeletal conditions where pain, inflammation and associated muscle spasm occur together.

2. What are the active ingredients in this formulation?

Each tablet contains Diclofenac Sodium 50 mg, Paracetamol 325 mg and Chlorzoxazone 250 mg.

3. How does this combination work?

Diclofenac helps reduce pain and inflammation, paracetamol provides additional analgesic and antipyretic effects, and chlorzoxazone acts centrally to help reduce skeletal muscle spasm.

4. Can I take another paracetamol medicine with this product?

Additional paracetamol should not be taken without professional advice because this product already contains paracetamol. Excessive total paracetamol exposure can cause serious liver injury.

5. Can this medicine cause drowsiness?

Chlorzoxazone may cause drowsiness or dizziness in some patients. Activities requiring full alertness, including driving and operating machinery, should be avoided if these effects occur.

6. Can this medicine be used by patients with liver problems?

Patients with liver disease should seek professional medical advice before using this combination because paracetamol and chlorzoxazone can be associated with hepatic adverse effects.

7. Can it be used during pregnancy?

The combination should be used during pregnancy only following professional medical assessment. Diclofenac has important restrictions during later pregnancy.

8. How should these tablets be stored?

Store the tablets according to the approved product label and package insert, protect them from excessive heat and moisture, and keep them out of reach of children.