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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.
Tizanidine, sold under the brand name Zanaflex among others, is an alpha-2 (α 2) adrenergic receptor agonist, [2] similar to clonidine, that is used to treat muscle spasticity due to spinal cord injury, multiple sclerosis, and spastic cerebral palsy. [3] Effectiveness appears similar to baclofen or diazepam. [4] It is taken by mouth. [5]
Guanfacine. Guanfacine, sold under the brand name Tenex (immediate-release) and Intuniv (extended-release) among others, is an oral alpha-2a agonist medication used to treat attention deficit hyperactivity disorder (ADHD) and high blood pressure. [3][9] Guanfacine is FDA-approved for monotherapy treatment of ADHD, [3] as well as being used for ...
Alpha2-adrenergic receptor agonists, such as clonidine and guanfacine, act at noradrenergic autoreceptors to inhibit the firing of cells in the locus ceruleus, effectively reducing the release of brain norepinephrine. [5] Clonidine has shown promise among patients with anxiety, panic and PTSD in clinical trials and was used to treat severely ...
Alpha-blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic receptors (α-adrenoceptors). [2] Historically, alpha-blockers were used as a tool for pharmacologic research to develop a greater understanding of the autonomic nervous system.
Clonazepam, sold under the brand name Klonopin among others, is a benzodiazepine medication used to prevent and treat anxiety disorders, seizures, bipolar mania, agitation associated with psychosis, obsessive–compulsive disorder (OCD), and akathisia. [11]
Lofexidine. Lofexidine, sold under the brand name Lucemyra among others, [1] is a medication historically used to treat high blood pressure; today, it is more commonly used to help with the physical symptoms of opioid withdrawal. [2] It is taken by mouth. [3] It is an α 2A adrenergic receptor agonist. [3]
Naloxone is an opioid antagonist: a medication used to reverse or reduce the effects of opioids. [13] For example, it is used to restore breathing after an opioid overdose. [13] Effects begin within two minutes when given intravenously, five minutes when injected into a muscle, [13] and ten minutes as a nasal spray. [14]