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[57] [79] As a result of downregulated signaling through these proteins, opiates cause VTA neuronal hyperexcitability and shrinkage (specifically, the size of the neuronal soma is reduced). [57] It has been shown that when an opiate-naive person begins using opiates in concentrations that induce euphoria, BDNF signaling increases in the VTA. [80]
The withdrawal from various opioid medications, including morphine, causes similar effects, most of which is caused by stimulation and over-stimulation of the central nervous system. [ 9 ] [ 7 ] The effects of morphine withdrawal can range from gastrointestinal disturbances to symptoms like tremors (involuntary shaking, most commonly in hands ...
Opiate overdose symptoms and signs can be referred to as the "opioid toxidrome triad": decreased level of consciousness, pinpoint pupils and respiratory depression. Other symptoms include seizures and muscle spasms. Sometimes an opiate overdose can lead to such a decreased level of consciousness such that the person will not wake up.
It is debated whether the entire antipsychotic drug class causes true physical dependency, a subset, or if none do. [38] But, if discontinued too rapidly, it could cause an acute withdrawal syndrome. [39] When talking about illicit drugs rebound withdrawal, especially with stimulants, it is sometimes referred to as "coming down" or "crashing".
Morphine is beneficial in reducing the symptom of shortness of breath due to both cancer and non-cancer causes. [ 33 ] [ 34 ] In the setting of breathlessness at rest or on minimal exertion from conditions such as advanced cancer or end-stage cardiorespiratory diseases, regular, low-dose sustained-release morphine significantly reduces ...
Beyond our joints and muscles simply getting older, here is a closer look at the most common reasons for your body aches, why your body responds with pain in the first place, and how to find ...
Withdrawal symptoms from opiates include anxiety, sweating, vomiting, and diarrhea. Alcohol withdrawal symptoms include irritability, fatigue, shaking, sweating, and nausea. Withdrawal from nicotine can cause irritability, fatigue, insomnia, headache, and difficulty concentrating. Many prescription and legal nonprescription substances can also ...
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