Initial treatment | Patients | Changes to stable therapy | ||||
---|---|---|---|---|---|---|
Drug (dose) | Treated (% all treated) | Followed >1 year (% treated) | Stable in 1 year (% followed) | Mean | Median | Range |
Post-herpetic neuralgia | ||||||
Amitriptyline hydrochloride (10 mg per day) | 93 (6.6) | 50 (53.8) | 9 (18.0) | 2.6 | 2 | 1–5 |
Amitriptyline hydrochloride (10 mg not specified) | 65 (4.6) | 36 (55.4) | 4 (11.1) | 4.8 | 5 | 2–8 |
Amitriptyline hydrochloride (25 mg per day) | 64 (4.5) | 39 (60.9) | 10 (25.6) | 2.6 | 3 | 1–5 |
Codeine phosphate (8 mg)+paracetamol (500 mg not specified) | 34 (2.4) | 21 (61.8) | 9 (42.9) | 4 | 2 | 1–12 |
Co-dydramol (not specified) Dihydrocodeine tartrate (10 mg)+paracetamol (500 mg) | 30 (2.1) | 20 (66.7) | 7 (35.0) | 5.6 | 4 | 1–18 |
Codeine phosphate (30 mg)+paracetamol (500 mg not specified) | 24 (1.7) | 15 (62.5) | 5 (33.3) | 5.4 | 5 | 1–9 |
Capsaicin (0.025% 4 times a day) | 19 (1.3) | 15 (78.9) | 6 (40.0) | 2.8 | 2 | 1–6 |
Carbamazepine (200 mg per day) | 19 (1.3) | 12 (63.2) | 7 (58.3) | 4 | 4 | 1–8 |
Paracetamol (500 mg not specified) | 18 (1.3) | 14 (77.8) | 4 (28.6) | 2.8 | 2 | 1–6 |
Co-proxamol (not specified) Dextropropoxyphene hydrochloride (32.5 mg)+paracetamol (325 mg) | 17 (1.2) | 11 (64.7) | 2 (18.2) | 5 | 5 | 3–7 |
Trigeminal neuralgia | ||||||
Carbamazepine (200 mg per day) | 103 (8.8) | 67 (65.0) | 9 (13.4) | 3.7 | 3 | 1–10 |
Amitriptyline hydrochloride (10 mg per day) | 53 (4.6) | 35 (66.0) | 6 (17.1) | 2 | 2 | 1–4 |
Amitriptyline hydrochloride (10 mg not specified) | 43 (3.7) | 33 (76.7) | 3 (9.1) | 1.3 | 1 | 1–2 |
Carbamazepine (300 mg per day) | 35 (3.0) | 22 (62.9) | 8 (36.4) | 2.1 | 2 | 1–4 |
Carbamazepine (100 mg not specified) | 33 (2.8) | 19 (57.6) | 4 (21.1) | 1.5 | 2 | 1–2 |
Amitriptyline hydrochloride (25 mg per day) | 31 (2.7) | 17 (54.8) | 4 (23.5) | 3.5 | 3 | 2–6 |
Carbamazepine (100 mg per day) | 30 (2.6) | 22 (73.3) | 4 (18.2) | 2.5 | 2 | 1–5 |
Carbamazepine (400 mg per day) | 29 (2.5) | 23 (79.3) | 5 (21.7) | 4.8 | 2 | 1–16 |
Gabapentin (300 mg per day) | 21 (1.8) | 14 (66.7) | 5 (35.7) | 2.8 | 3 | 1–4 |
Codeine phosphate (8 mg)+paracetamol (500 mg not specified) | 20 (1.7) | 12 (60.0) | 3 (25.0) | 5.7 | 6 | 5–6 |
Codeine phosphate (30 mg)+paracetamol (500 mg not specified) | 19 (1.6) | 13 (68.4) | 4 (30.8) | 2 | 1 | 1–5 |
Co-proxamol (not specified) Dextropropoxyphene hydrochloride (32.5 mg)+paracetamol (325 mg) | 14 (1.2) | 11 (78.6) | 1 (9.1) | 1 | 1 | 1-1 |
Painful diabetic neuropathy | ||||||
Amitriptyline hydrochloride (10 mg per day) | 72 (7.8) | 35 (48.6) | 4 (11.4) | 1.5 | 2 | 1–2 |
Amitriptyline hydrochloride (25 mg per day) | 41 (4.4) | 25 (61.0) | 7 (28.0) | 3 | 2 | 1–11 |
Amitriptyline hydrochloride (10 mg not specified) | 35 (3.8) | 21 (60.0) | 2 (9.5) | 1 | 1 | 1-1 |
Gabapentin (900 mg per day) | 30 (3.3) | 15 (50.0) | 5 (33.3) | 5.2 | 4 | 2–12 |
Co-dydramol (not specified) Dihydrocodeine tartrate (10 mg)+paracetamol (500 mg) | 21 (2.3) | 15 (71.4) | 4 (26.7) | 2.8 | 1 | 1–8 |
Paracetamol (500 mg not specified) | 20 (2.2) | 11 (55.0) | 1 (9.1) | 1 | 1 | 1-1 |
Codeine phosphate (8 mg)+paracetamol (500 mg not specified) | 18 (2.0) | 13 (72.2) | 1 (7.7) | 2 | 2 | 2-2 |