| Pathology tests in Toxicology |
In general patients with poisoning do not require routine blood tests and only in specific cases, or for particular drugs, is testing required. Renal function tests may be useful in patients who have ingested drugs that may cause renal impairment (eg NSAIDs) or, more importantly, drugs that are renally eliminated (eg lithium, digoxin). Liver function tests are essential with paracetamol poisoning and other instances where liver injury is suspected (eg colchicine). Specific blood tests are listed as key investigations for individual drugs.
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