โ Active Ingredient Overview Table:
| ๐ฌ Active Ingredient (Generic Name): | Diclofenac Sodium |
|---|---|
| ๐ Indication: | Relief of Pain and Inflammation in Osteoarthritis, Rheumatoid Arthritis, Ankylosing Spondylitis |
| ๐บ๐ธ US Brand: | Voltarenยฎ SR |
| ๐ญ Manufacturer: | Novartis India Ltd (Founded: 1997) |
| ๐ฆ Packaging: | 15 Extended-Release Tablets per Strip |
| ๐งช Strength: | 100 mg SR |
| ๐ Delivery Time: | 6โ15 days |
๐ฟ What is Diclofenac 100 mg SR (Voveran SR)?
Voveran SR provides 100 mg of diclofenac sodium in an extended-release formulation, delivering sustained anti-inflammatory and analgesic effects over 24 hours. Diclofenac inhibits COX-1 and COX-2 enzymes, reducing prostaglandin synthesis, pain, and swelling in chronic inflammatory conditions.
For full prescribing and safety information, consult the FDA label for Voltaren SR, the Drugs.com monograph, the NHS Medicines AโZ entry, and the WHO Essential Medicines List.
๐งฌ Pharmacology & Mechanism of Action
| Attribute | Detail |
|---|---|
| Chemical Formula | C14H11Cl2NO2 |
| Molecular Weight | 296.15 g/mol |
| Bioavailability | ~50% (SR) |
| Metabolism | Hepatic (CYP2C9) |
| Half-Life | ~12 hours (SR) |
Diclofenacโs sustained COX inhibition modulates inflammatory cascades, providing prolonged relief with once-daily dosing.
๐ก Indications & Dosing
| Condition | Dose & Administration |
|---|---|
| Osteoarthritis, Rheumatoid Arthritis | 100 mg SR once daily with food to reduce GI irritation |
| Ankylosing Spondylitis | 100 mg SR once daily; may split into 50 mg twice daily if needed |
Swallow whole; do not crush or chew. Monitor for GI tolerance and adjust dose if required.
โ ๏ธ Warnings & Side Effects
Common:
- GI upset, dyspepsia
- Headache, dizziness
- Elevated liver enzymes
Serious:
- GI bleeding, ulceration
- Cardiovascular thrombotic events (MI, stroke)
- Hepatotoxicity, renal impairment
Contraindicated in active GI bleeding, severe heart failure, and NSAID hypersensitivity. Use lowest effective dose for shortest duration; monitor renal, hepatic, and cardiovascular status.
๐ฅ Storage Instructions
Store Voveran SR at 20โ25ยฐC in original blister. Protect from moisture and light. Keep out of reach of children.
๐ Availability & Purchasing
- USA: Prescription-only SR diclofenac available as Voltarenยฎ SR.
- UK & EU: Prescription required; generic SR formulations accessible.
- Australia: Prescription and TGA approval required.
Importing from India may reduce costs; ensure regulatory compliance and valid prescription.
๐ Related NSAID Options
- Celecoxib 100 mg โ COX-2 selective.
- Meloxicam 15 mg โ preferential COX-2.
- Ibuprofen 600 mg โ extended-release NSAID.
๐ฅ Educational Video on Diclofenac SR
๐จโโ๏ธ Expert Insight: Dr. Rajat Verma, Rheumatologist
โVoveran SR 100 mg offers consistent 24-hour symptom control for chronic arthritis patients, improving adherence and minimizing nighttime flare-ups when taken once daily in the evening.โ




