Tramadol Induced Paradoxical Hyperalgesia

Caffeine attenuates paradoxical sleep deprivation induced- memory impairment during paradoxical sleep windows in rats

There is considerable evidence to support the hypothesis of relationship between paradoxical sleep (PS) and learning–memory processing. It has been suggested that PS is important in memory retention at the specific time course called PS windows (PSW). The time of PSWs occurrence and duration of these PSWs following the training sessions and, the neurochemical nature of PSWs has not been well kn...

Opioid Induced Hyperalgesia

Opioid Induced Hyperalgesia

Opioid-induced hyperalgesia (OIH).

BACKGROUND AND OBJECTIVES Opioids are commonly used for pain control; however, they can cause hyperalgesia. The reason why this can happen is not known. The objective of this review was to describe the mechanisms, factors implicated, and drug modulation. CONTENTS The factors implicated in the development of opioid-induced hyperalgesia (OIH), such as duration of use, dose, and type of opioids ...

Opioid Induced Hyperalgesia

Introduction Pain is one of the main reasons that people seek medical attention, and it is estimated to affect tens of millions of Americans. Chronic pain management commonly includes the use of opioid type medications. This is in spite of that fact that this class of drugs has well known adverse effects including the development of dependence, tolerance, and addiction. Recently, however, a tro...