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However, if a delay is observed between the drug administration and the drug effect, a temporal dissociation needs to be taken into account and more complex models exist: [6] [7] Direct vs Indirect link PK/PD models; Direct vs Indirect response PK/PD models [8] Time variant vs time invariant; Cell lifespan models; Complex response models
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".
Benzodiazepines are the most commonly used medication for the treatment of alcohol withdrawal and are generally safe and effective in suppressing symptoms of alcohol withdrawal. [33] This class of medication is generally effective in symptoms control, but needs to be used carefully.
Quantitative systems pharmacology (QSP) is a discipline within biomedical research that uses mathematical computer models to characterize biological systems, disease processes and drug pharmacology. [ 1 ] [ 2 ] QSP can be viewed as a sub-discipline of pharmacometrics that focuses on modeling the mechanisms of drug pharmacokinetics (PK ...
stabilizing action, the drug seems to act neither as a stimulant or as a depressant (ex.: some drugs possess receptor activity that allows them to stabilize general receptor activation, like buprenorphine in opioid dependent individuals or aripiprazole in schizophrenia, all depending on the dose and the recipient)
“It’s a growing problem. Alcohol is a very simple molecule with very diverse effects on physiology,” explains White. “There aren’t many things the body does that alcohol doesn’t impact.”
Drug withdrawal, drug withdrawal syndrome, or substance withdrawal syndrome [1] is the group of symptoms that occur upon the abrupt discontinuation or decrease in the intake of pharmaceutical or recreational drugs. In order for the symptoms of withdrawal to occur, one must have first developed a form of drug dependence.
Reverse tolerance or drug sensitization is a pharmacological phenomenon describing subjects' increased reaction (positive or negative) to a drug following its repeated use. [4] Not all drugs are subject to reverse tolerance. This is the opposite of drug tolerance, in which the effect or the subject's reaction decreases following its repeated ...