Drug Class: NSAID + Gastroprotective Prostaglandin Analogue Combination | Form: Oral Tablet | Prescription Status: Prescription Only (Rx) — DRAP Registered
What is Rotec 75mg Tablet? Rotec 75mg contains Diclofenac Sodium 75mg and Misoprostol 200mcg — a clinically important fixed-dose combination that directly addresses the most significant risk of long-term NSAID therapy by pairing the anti-inflammatory medicine with its own stomach protection in a single tablet. Diclofenac provides powerful COX-1 and COX-2 inhibition for pain and inflammation relief while Misoprostol — a synthetic prostaglandin E1 analogue — simultaneously replaces the stomach-protective prostaglandins that Diclofenac suppresses. This combination is specifically indicated for patients who require regular NSAID therapy but are at high risk of NSAID-induced gastric ulcers — elderly patients, those with ulcer history, patients on corticosteroids or anticoagulants, and patients with multiple cardiovascular risk factors requiring long-term pain management.
What is Rotec 75mg Used For?
- Osteoarthritis — joint pain and stiffness with built-in gastroprotection (جوڑوں کے درد میں معدے کی حفاظت کے ساتھ)
- Rheumatoid arthritis — active joint inflammation management in high gastric-risk patients (ریمیٹائیڈ گٹھیا)
- Ankylosing spondylitis — chronic inflammatory spine and back pain (ریڑھ کی ہڈی کی سوزش)
- Acute gout — sudden severe joint pain and swelling (گنٹھیا کا شدید دورہ)
- High-risk NSAID users — elderly patients or those with prior ulcer history requiring anti-inflammatory therapy
- Post-operative musculoskeletal pain — where NSAID therapy and gastric protection are simultaneously required
How Does it Work? Diclofenac inhibits COX-1 and COX-2 enzymes — blocking prostaglandin synthesis at sites of inflammation to reduce pain receptor sensitisation, tissue swelling, and fever. However COX-1 inhibition simultaneously reduces stomach-protective prostaglandins — the key mechanism of NSAID-induced gastric damage. Misoprostol directly compensates for this loss — acting as a synthetic prostaglandin E1 analogue that stimulates gastric mucus and bicarbonate secretion, enhances mucosal blood flow, and reduces basal acid secretion — rebuilding the stomach's natural defence barrier that Diclofenac erodes. Together these mechanisms provide effective anti-inflammatory pain relief while simultaneously maintaining gastric mucosal integrity — significantly reducing the risk of NSAID-induced gastric and duodenal ulcers compared to Diclofenac alone.
Dosage and Administration
⚠️ Always take with food — never on empty stomach. Strictly contraindicated in pregnancy — Misoprostol causes uterine contractions and foetal death. Women of childbearing age must use effective contraception throughout treatment. Never combine with other NSAIDs or Aspirin above 75mg. Misoprostol component commonly causes diarrhoea and cramping — usually mild and temporary.
| Indication | Usual Adult Dose | Frequency | Maximum Daily Dose |
|---|---|---|---|
| Osteoarthritis / Rheumatoid arthritis | 1 tablet (75mg/200mcg) | Two to three times daily | 150mg Diclofenac per day |
| Ankylosing spondylitis | 1 tablet (75mg/200mcg) | Two to three times daily | 150mg Diclofenac per day |
| Acute gout | 1 tablet (75mg/200mcg) | Two to three times daily | 150mg Diclofenac per day |
| High-risk NSAID patients | 1 tablet (75mg/200mcg) | Twice daily with meals | As prescribed by doctor |
Active Ingredients
| Ingredient | Strength |
|---|---|
| Diclofenac Sodium | 75mg |
| Misoprostol | 200mcg |
Who Should NOT Take Rotec 75mg?
- Pregnancy — Misoprostol is absolutely contraindicated; causes uterine contractions, foetal death, and birth defects
- Women of childbearing age not using effective contraception — pregnancy must be excluded before starting
- Allergy to Diclofenac, Misoprostol, Aspirin, any NSAID, or prostaglandin analogues
- Active stomach ulcer or active gastrointestinal bleeding
- Severe heart failure or established cardiovascular disease
- Severe kidney or liver impairment
- Third trimester of pregnancy — doubly contraindicated
- Aspirin-sensitive asthma or NSAID-induced bronchospasm
- Inflammatory bowel disease — Misoprostol worsens IBD
- Children and adolescents under 18 years
- Currently taking other NSAIDs or Aspirin above 75mg
Side Effects
Common: Diarrhoea and loose stools from Misoprostol component — usually mild, temporary, and reduces after first few days (پتلے دست — عام طور پر چند دنوں میں کم ہو جاتے ہیں), mild abdominal cramping, mild nausea, mild stomach discomfort — all significantly reduced by taking with food and starting at lower frequency initially.
Serious — Stop and seek emergency help immediately: Uterine contractions or vaginal bleeding in women — Misoprostol stimulates uterus (رحم میں درد یا خون آنا — فوری مدد لیں), dark tarry stools or vomiting blood despite Misoprostol gastroprotection (پیٹ سے خون — فوری ہسپتال جائیں), severe allergic reaction with swelling of face or throat and difficulty breathing (فوری مدد لیں), severe abdominal pain suggesting ulcer perforation, chest pain or sudden breathlessness suggesting cardiovascular event (دل کا دورہ — فوری مدد لیں), yellowing of skin or eyes indicating liver toxicity (یرقان — فوری مدد لیں), significantly reduced urination indicating acute kidney injury, sudden worsening of asthma.
Drug Interactions
| Medicine | Interaction |
|---|---|
| Other NSAIDs or Aspirin above 75mg | Greatly increased gastrointestinal bleeding risk despite Misoprostol — never combine |
| Warfarin / blood thinners | Significantly increased bleeding risk — close INR monitoring essential |
| Antihypertensives (ACE inhibitors, ARBs, diuretics) | Diclofenac reduces their effectiveness and worsens kidney function |
| Methotrexate | Diclofenac increases Methotrexate toxicity — potentially fatal; avoid combination |
| Lithium | Diclofenac increases Lithium blood levels — toxicity risk; monitor closely |
| Corticosteroids (Prednisolone) | Increased gastrointestinal risk despite Misoprostol protection at high doses |
| Antacids containing magnesium | Worsen Misoprostol-induced diarrhoea — avoid magnesium-containing antacids |
| Cyclosporine / Tacrolimus | Increased kidney toxicity risk — monitor renal function |
| SSRIs (Fluoxetine, Sertraline) | Increased gastrointestinal bleeding risk with NSAID combination |
| Oxytocin | Misoprostol and Oxytocin have additive uterine stimulation — dangerous combination |
Storage: Store below 25°C in a cool, dry place. Protect from moisture and direct sunlight. Keep in original packaging. Keep out of reach of children (بچوں کی پہنچ سے دور رکھیں). Do not use after expiry date.
FAQs
Q: If Rotec already contains stomach protection with Misoprostol, do I still need to take a separate PPI like Omeprazole? Misoprostol provides meaningful gastroprotection replacing the prostaglandins that Diclofenac suppresses — in most patients this built-in protection is sufficient without an additional PPI. However patients with prior ulcer history, those on corticosteroids, or anticoagulants may still benefit from additional PPI cover — consult your doctor about whether additional gastroprotection is needed for your specific risk level.
Q: Why is Rotec absolutely contraindicated in pregnancy when many other NSAIDs are only relatively contraindicated? The Misoprostol component is a powerful uterotonic — it stimulates uterine contractions and is used medically to induce labour and abortion. In pregnancy Misoprostol causes dangerous uterine contractions, premature birth, foetal death, and serious birth defects — making this combination categorically and absolutely contraindicated throughout all trimesters. Women of childbearing age must confirm negative pregnancy and use reliable contraception before and throughout Rotec treatment.
Q: Why does Rotec cause diarrhoea and how long does it last? Misoprostol stimulates intestinal motility and secretion as a prostaglandin effect — causing diarrhoea and cramping particularly in the first few days of treatment. This usually reduces significantly after 1 to 2 weeks as the body adjusts. Taking the tablet with food, avoiding magnesium-containing antacids, and starting at twice-daily dosing before progressing to three times daily helps minimise this effect considerably.
Medical Disclaimer: This information is for general awareness only and does not replace medical advice. Always consult a qualified doctor or pharmacist before taking any prescription medicine.