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| Issue 7 (1997) Article 2 |
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The Management of Postoperative Pain (Continued)
Table 3: Strong Analgesics
| Drug name | Route of delivery | Dose (mg) | Length of Action (h) |
| Morphine | Intramuscular/ subcutaneous |
10-15 | 2-4 |
| Methadone | Intramuscular |
7.5-10 | 4-6 |
Pethidine/ Meperidine | Intramuscular |
100-150 | 1-2 |
| Buprenorphine | Sublingual |
0.2-0.4 | 6-8 |
(Intravenous - half the IM dose slowly over 5 minutes)
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