Anaesthesia & ICU Palliative Care General Medicine Standard — RCOA Opioid Aware 2020 / NICE NG215
Opioid Conversion / Equianalgesic Guide
Guides conversion between opioid analgesics using oral morphine equivalents (OME). Start at 50–75% of calculated equianalgesic dose due to incomplete cross-tolerance.
References
- Faculty of Pain Medicine (RCOA). Opioids Aware: A resource for patients and healthcare professionals to support prescribing of opioid medicines for pain. 2020.
- NICE NG193. Chronic pain (primary and secondary) in over 16s. 2021.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
- Fentanyl Transdermal Patch (Elderly Chronic Pain) · Opioid Analgesic — Transdermal Patch
- Morphine Slow-Release (Elderly Chronic Pain) · Opioid Analgesic — Modified-Release Oral
- Morphine (Orthopaedic Acute Pain) · Opioid Analgesic — Strong
- Oxycodone (Orthopaedic Post-operative Pain) · Opioid Analgesic — Strong
- Morphine (Paediatric) · Opioid Analgesic — Moderate to Severe Pain in Children
- Fentanyl Patch (Burns Pain) · Opioid Analgesic (Transdermal)
Pathways
- Difficult Airway Algorithm (DAS) · DAS 2015; Royal College of Anaesthetists
- Anaphylaxis Under Anaesthesia · AAGBI 2018; NAP6
- Malignant Hyperthermia · AAGBI 2011; MHAUS
- Local Anaesthetic Systemic Toxicity (LAST) · AAGBI 2010; ASRA 2017
- Spinal Anaesthesia Hypotension Management · AAGBI; ASA
- Postoperative Nausea & Vomiting · Society for Ambulatory Anesthesia 2020; AAGBI
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.