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New page: {{unfinished}} Analgesia is a very important consideration in patient management, especially those that have undergone surgery. Many drugs can work ''synergistically'' to maximise their a...
{{unfinished}}
Analgesia is a very important consideration in patient management, especially those that have undergone surgery. Many drugs can work ''synergistically'' to maximise their analgesic properties. This is termed '''multimodal''' analgesia. In some cases possible to use both systemic analgesia and local analgesic techniques in combination.
'''Systemic analgesia''' refers to the use of certain analgesic drugs that act at the appropriate receptor that can be found across the body. Classes of drugs includes opioids, non-steroidal anti-inflammatories (NSAIDS), as well as ketamine and gabapentin.
==Opioids==
[[Opioids|Opioids]] are considered the most potent and efficious analgesic drugs available in veterinary medicine. They are used more commonly for ''acute'' pain. Opioids are both natural and synthetic and includes [[#opioids|morphine]], [[#opioids|methadone]], [[#opioids|buprenorphine]], [[#opioids|pethidine]] and [[#opioids|fentanyl]] among others. They act upon opioid repectors as full agonists, partial agonists, agonist-antagonists or full anatagonists.
==Non-Steroidal Anti-Inflammatory==
[[NSAIDs| NSAIDS]] are used more commonly in the management of chronic pain and often used post operatively for longer term analgesia. They have other benefits over other drugs, such as opioids, as they lack certain side effects, do no alter behaviour and have anti-inflammatory properties. They produce analgesia by acting upon the COX enzyme preventing the production of prostaglandins, prostacyclin and thromboxanes.
==Ketamine==
Ketamine is a [[#NMDA Antagonists|NMDA receptor antagonist]]. It is non competitive and is used commonly as an anaethetic. By inhibiting NMDA receptors, ketamine reduces the neuronal activity in the spinal cord. It may also have some effect at opioid receptors and/or noradrenergiv and serotonergic neurons.
==Gabapentin==
Used as an anticonvulsant in human medicine, Gabapentin has also been shown to have some analgesic properties also. It is thought to produce its effects via a secondary increase in gamma-aminobutyric acid (GABA) production which is an ''inhibitory neurotransmitter'' and may possible also act to block calcium channels within the membrane. ITs current use in veterinary patients is for neuropathic pain in dogs and cats. However, it does have some sedative properties.
Analgesia is a very important consideration in patient management, especially those that have undergone surgery. Many drugs can work ''synergistically'' to maximise their analgesic properties. This is termed '''multimodal''' analgesia. In some cases possible to use both systemic analgesia and local analgesic techniques in combination.
'''Systemic analgesia''' refers to the use of certain analgesic drugs that act at the appropriate receptor that can be found across the body. Classes of drugs includes opioids, non-steroidal anti-inflammatories (NSAIDS), as well as ketamine and gabapentin.
==Opioids==
[[Opioids|Opioids]] are considered the most potent and efficious analgesic drugs available in veterinary medicine. They are used more commonly for ''acute'' pain. Opioids are both natural and synthetic and includes [[#opioids|morphine]], [[#opioids|methadone]], [[#opioids|buprenorphine]], [[#opioids|pethidine]] and [[#opioids|fentanyl]] among others. They act upon opioid repectors as full agonists, partial agonists, agonist-antagonists or full anatagonists.
==Non-Steroidal Anti-Inflammatory==
[[NSAIDs| NSAIDS]] are used more commonly in the management of chronic pain and often used post operatively for longer term analgesia. They have other benefits over other drugs, such as opioids, as they lack certain side effects, do no alter behaviour and have anti-inflammatory properties. They produce analgesia by acting upon the COX enzyme preventing the production of prostaglandins, prostacyclin and thromboxanes.
==Ketamine==
Ketamine is a [[#NMDA Antagonists|NMDA receptor antagonist]]. It is non competitive and is used commonly as an anaethetic. By inhibiting NMDA receptors, ketamine reduces the neuronal activity in the spinal cord. It may also have some effect at opioid receptors and/or noradrenergiv and serotonergic neurons.
==Gabapentin==
Used as an anticonvulsant in human medicine, Gabapentin has also been shown to have some analgesic properties also. It is thought to produce its effects via a secondary increase in gamma-aminobutyric acid (GABA) production which is an ''inhibitory neurotransmitter'' and may possible also act to block calcium channels within the membrane. ITs current use in veterinary patients is for neuropathic pain in dogs and cats. However, it does have some sedative properties.