**6. Conclusions**

Intensive care unit (ICU) patients are at the higher risk of pain and they are having pain even while resting. If pain is not adequately treated, it leads to adverse effect and increases the chances of chronic pain and posttraumatic stress disorders in these patients. In ICU patient, anxiety, delirium and sleep deprivation increase the sensitivity to pain. The organ dysfunctions in these patients will decrease the potency of analgesic medication and increase the toxicity. Pain assessment is the basic essential factor in adequate management of pain. The different pain scales are used depending on their abilities to communicate. The commonly used analgesic medication in ICU patients is opioids but there is an increased use of multimodal analgesia and analgosedation approach obvious reasons. In the management of pain in ICU patients, the involvement of pain management teams, the use of clinical pathway, guidelines and protocols may have better impacts.

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