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Clonidine is used to treat high blood pressure, attention deficit hyperactivity disorder (ADHD), drug withdrawal (alcohol, opioids, or smoking), menopausal flushing, diarrhea, and certain pain conditions. It also sees some use off-label for episodic insomnia, restless-legs syndrome, and anxiety, among other uses.
Alpha blockers work by blocking the effect of nerves in the sympathetic nervous system. This is done by binding to the alpha receptors in smooth muscle or blood vessels. [37] α-blockers can bind both reversibly and irreversibly. [2] There are several α receptors throughout the body where these drugs can bind.
Clonidine and other imidazoline compounds have also been shown to reduce muscle spasms by their central nervous system activity. Tizanidine is perhaps the most thoroughly studied clonidine analog, and is an agonist at α 2-adrenergic receptors, but reduces spasticity at doses that result in significantly less hypotension than clonidine. [26]
Symptoms can include a craving for alcohol, inability to feel pleasure from normally pleasurable things (known as anhedonia), clouding of sensorium, disorientation, nausea and vomiting or headache. [17] Insomnia is a common protracted withdrawal symptom that persists after the acute withdrawal phase of alcohol.
Dextromethorphan is the dextrorotatory enantiomer of levomethorphan, which is the methyl ether of levorphanol, both opioid analgesics. It is named according to IUPAC rules as (+)-3-methoxy-17-methyl-9α,13α,14α- morphinan. As its pure form, dextromethorphan occurs as an odorless, opalescent white powder.
Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia). It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, [1] the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of ...
Mirtazapine is a tetracyclic piperazinoazepine; mianserin was developed by the same team of organic chemists and mirtazapine differs from it via addition of a nitrogen atom in one of the rings. [ 115 ]: 429[ 116 ][ 117 ] It is a racemic mixture of enantiomers. The (S)- (+)-enantiomer is known as esmirtazapine.
Does Ozempic make you tired? An endocrinologist explains if the type 2 diabetes drug, sometimes used for weight loss, leads to fatigue and other side effects.