Tablets (Medications) for Lumbar Spondylolisthesis

1. Analgesics (Pain Relievers)

Note: NSAIDs should be used for the shortest effective duration. Avoid in patients with peptic ulcer disease, renal impairment, or cardiovascular disease. Add a PPI (e.g., omeprazole 20 mg OD) for gastric protection if NSAIDs are used long-term.

2. Muscle Relaxants (for muscle spasm)

Use muscle relaxants short-term (1-2 weeks) as they cause drowsiness and dependence.

3. Neuropathic Agents (if nerve compression / radiculopathy is present)

4. Short Course Oral Steroids (for acute flare with nerve involvement)

• Methylprednisolone (e.g., Medrol dose pack) or Prednisolone 20-40 mg OD for 5-7 days
• Used when there is significant nerve root inflammation
• Not for long-term use

5. For Degenerative Spondylolisthesis (older adults)

• Analgesic medications (as above)
• Progressive aerobic exercise and weight reduction
• Physical therapy - lumbar bracing, back flexor/extensor strengthening

When Surgery is Needed (tablets are not enough)

• Symptoms persist after 6 months of conservative care
• Progressive neurological deficit (weakness, foot drop)
• Bowel or bladder symptoms
• High-grade slip (>50%) in skeletally immature patients

Key Points to Remember

1. Tablets treat symptoms - not the underlying slip. Physical therapy and exercise are equally important.
2. NSAIDs are the backbone of acute pain management.
3. Add neuropathic agents (pregabalin/gabapentin) only when leg/radicular symptoms are present.
4. Muscle relaxants are short-term only.
5. Always consider gastric protection when using NSAIDs.
6. Rule out red flags (tumor, infection, fracture) before attributing pain to spondylolisthesis.

• Textbook of Family Medicine, 9e, pp. 873-877
• Bailey and Love's Short Practice of Surgery, 28th Ed, pp. 1147-1158

Best Medication Approach for This Patient

1. Nociceptive - mechanical back pain from the vertebral slip and disc
2. Neuropathic/radicular - nerve root compression causing shooting/burning leg pain, tingling, numbness

Recommended Tablet Regimen (Step-Up Approach)

STEP 1 - Start Here (Day 1-2)

Add Omeprazole 20 mg OD for gastric protection if using NSAIDs beyond 5 days.

STEP 2 - For the Radiculopathy (Nerve Pain) - Start alongside Step 1

Why Duloxetine over Pregabalin for this patient?

• No weight gain (pregabalin causes weight gain - relevant for a middle-aged woman)
• No significant sedation/dizziness like pregabalin
• Also helps if she has associated anxiety/low mood (common in perimenopause)
• A 2024 systematic review of CPGs (Price et al., PMID 38629664) found antidepressants (SNRIs like duloxetine) were the most commonly recommended medication class across international guidelines for lumbosacral radiculopathy

STEP 3 - If Severe Acute Flare (Short Course)

What to AVOID in This Patient

Recommended Prescription Summary

1. Etoricoxib 60 mg OD (after food) × 2-4 weeks
2. Omeprazole 20 mg OD (gastric cover)
3. Paracetamol 500 mg + Ibuprofen 200 mg combination tab TDS (if etoricoxib unavailable)
4. Duloxetine 30 mg OD × 1 week → 60 mg OD (continue 6-8 weeks)
5. Tizanidine 2 mg TDS × 7 days only (muscle spasm)
6. Prednisolone 20 mg OD × 5 days (for acute radicular flare)

Non-Tablet Treatments (Equally Important)

• Physiotherapy - lumbar stabilization exercises, core strengthening
• Epidural corticosteroid injection - if radiculopathy persists beyond 4-6 weeks despite oral therapy (provides localized nerve root anti-inflammatory effect)
• Weight management and aerobic exercise (per Textbook of Family Medicine, 9e)
• MRI - to assess degree of nerve compression and guide surgical planning if no improvement at 6 weeks

Surgical referral if: progressive neurological deficit, bladder/bowel symptoms, or no improvement after 6-8 weeks of conservative care - Firestein & Kelley's Rheumatology (p. 2509)

When to Take Omeprazole

The Rule: 30-60 minutes BEFORE a meal

Why Timing Matters - The Science

1. You swallow omeprazole on an empty stomach
2. It absorbs into the bloodstream
3. It reaches the parietal cells (acid-producing cells) of the stomach
4. It gets activated only in an acidic environment - specifically inside the proton pump channel
5. The proton pumps are most active when stimulated by food
6. So when you eat 30-60 minutes later, all the pumps are active AND the drug is already there - blocking them at peak efficiency

If you take it after a meal: most pumps have already fired and secreted acid. The drug misses them. Effect is significantly reduced.

If you take it at bedtime (without food): proton pumps are largely inactive during sleep. Very weak effect.

Practical Schedule

In This Patient's Case (taking omeprazole with Etoricoxib)

• Omeprazole 20 mg → 30-60 min before breakfast (e.g., 7:30 AM)
• Etoricoxib 60 mg → with or just after breakfast (e.g., 8:00 AM)

Common Mistakes to Avoid

How Long Does it Take to Work?

• Maximum acid suppression: reached after 3-5 days of consistent daily dosing (proton pumps are regenerated daily and each day more get blocked)
• Symptom relief may be felt within 1-2 days
• Full gastric protection with NSAIDs: continue for the entire duration of NSAID use