[Pharmacotherapy of cancer pain. 3. Adjuvant drugs.].

Der Schmerz
N I ChernyM Zenz

Abstract

Adjuvant analgesics are drugs that are not primarily used as analgesics but can produce analgesia in certain types of pain. Adjuvant analgesics can be administered together with non-opioid and opioid analgesics on each step of the WHO analgesic ladder. They should be given when an additional or specific indication exists, but should not be used as a substitute for a thorough treatment with opioids and nonopioids. Adjuvant analgesics can be classified into groups according to the type of pain to be treated: continuous neuropathic pain or lancinating neuropathic pain, sympathetically maintained pain, bone pain and those for multipurpose use. Adjuvant drugs used for continuous neuropathic pain include local anaesthetics, clonidine, capsaicin, and antidepressants. Tricyclic antidepressants are the group that have been best investigated, and are therefore the drugs of choice. An analgesic effect is probably produced via enhancement of transmitter concentrations in pain-modulating pathways. This occurs at lower doses than those necessary to treat depression. Anticholinergic actions, acute glaucoma, constipation, orthostatic hypotension and cardiac arrhythmias are adverse effects that are seen predominantly with teritiary amine drugs ...Continue Reading

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Citations

Mar 15, 2011·Journal of Pain and Symptom Management·Greta G CummingsNeil A Hagen
Mar 13, 2019·Pharmacoepidemiology and Drug Safety·Kathrin JobskiFalk Hoffmann

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