Reactin SR 100 mg (Diclofenac)

What is Reactin SR 100 mg?

Reactin SR 100 mg is a sustained-release (SR) formulation of Diclofenac Sodium, a nonsteroidal anti-inflammatory drug (NSAID). It is primarily used to relieve pain and inflammation associated with various conditions such as arthritis, muscle pain, and injury-related discomfort.

Uses of Reactin SR 100 mg

Reactin SR 100 mg is used in the treatment of:

• Osteoarthritis

• Rheumatoid arthritis

• Ankylosing spondylitis

• Musculoskeletal pain

• Post-traumatic inflammation

• Menstrual pain (dysmenorrhea)

• Gout attacks

Benefits of Reactin SR 100 mg

• Long-lasting relief due to sustained-release formulation

• Reduces inflammation and swelling

• Provides effective pain management

• Improves mobility and joint function

How Does Reactin SR 100 mg Work?

Diclofenac works by inhibiting cyclooxygenase (COX-1 and COX-2) enzymes, which are responsible for the formation of prostaglandins—chemical messengers that cause pain, inflammation, and fever. The SR (sustained release) mechanism ensures a gradual release of the drug over time, maintaining consistent blood levels for extended pain relief.

How to Take Reactin SR 100 mg?

• Take once daily, preferably with food to minimize stomach upset.

• Swallow the tablet whole with water—do not crush or chew.

• Follow your healthcare provider’s instructions strictly.

Dosage of Reactin SR 100 mg

• Usual adult dose: One tablet (100 mg) per day.

• Dosage may be adjust based on the condition and response to treatment.

• Do not exceed the recommend dose without medical advice.

Missed Dose and Overdose

Missed Dose:

• Take it as soon as you remember.

• If it’s near the time for the next dose, skip the missed dose—do not double dose.

Overdose:

• Symptoms may include nausea, vomiting, stomach pain, drowsiness, dizziness, or even gastrointestinal bleeding.

• Seek immediate medical attention if an overdose is suspected.

Available Strengths of Reactin (Diclofenac SR)

• Reactin SR 75 mg

• Reactin SR 100 mg

Side Effects of Reactin SR 100 mg

Common side effects:

• Nausea

• Stomach pain

• Indigestion

• Headache

• Dizziness

Serious side effects (rare):

• Gastrointestinal bleeding

• Liver or kidney dysfunction

• Allergic reactions (rash, swelling, breathing difficulty)

• High blood pressure or heart-relate issues (long-term use)

Interactions of Reactin SR 100 mg

May interact with:

• Blood thinners (e.g., warfarin)

• Other NSAIDs (e.g., ibuprofen, aspirin)

• Diuretics

• ACE inhibitors or ARBs (used for blood pressure)

• Corticosteroids

• Selective serotonin reuptake inhibitors (SSRIs)

Always inform your doctor about all medications, supplements, or herbal products you are using.

Precautions for Reactin SR 100 mg

• Avoid use if you have a history of gastric ulcers or bleeding.

• Not recommended for people with severe liver, kidney, or heart disease.

• Use with caution during pregnancy (especially third trimester) and breastfeeding.

Storage Information

• Store in a cool, dry place below 25°C (77°F)

• Keep away from direct sunlight and moisture

• Keep out of reach of children

Availability in the US and Australia

• US: Diclofenac SR 100 mg is available, though Reactin SR may not be marketed under this brand. Equivalent generics or brands are available.

• Australia: Available as a prescription medication under various brand names. Consult your pharmacist or physician for local equivalents.

Frequently Asked Questions (FAQs)

1. Is Reactin SR 100 mg safe for long-term use?

Long-term use should be under medical supervision due to potential risks to the stomach, kidneys, and heart.

2. Can I take it with alcohol?

Avoid alcohol as it increases the risk of stomach bleeding and liver damage.

3. Can I use Reactin SR 100 mg for a headache?

It’s more suitable for chronic

inflammatory pain; occasional use for headaches should be discussed with a doctor.

4. Is it addictive?

No, it is not habit-forming.

5. Can I take it with paracetamol?

Yes, they work differently and can be used together for enhance pain relief—but only if advised by a doctor.