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However, scopolamine has greater effects on the central nervous system (CNS) than atropine due to its ability to cross the blood–brain barrier. [4] At higher-than-therapeutic doses, atropine and scopolamine cause CNS depression characterized by amnesia, fatigue, and reduction in rapid eye movement sleep .
The effects of scopolamine were studied for use as a truth serum in interrogations in the early 20th century, [62] but because of the side effects, investigations were dropped. [63] In 2009, the Czechoslovak state security secret police were proven to have used scopolamine at least three times to obtain confessions from alleged antistate ...
There are many adverse effects, interactions and contraindications for antinicotinic and antimuscarinic agents. Adverse effects include hypotension, dry mouth, dry eyes etc. They interact with grapefruit juice and various medications, e.g. warfarin, metoclopramide. Therefore, cautions should be exercised and advice from medical professionals ...
Beta blockers vary in their lipophilicity (fat solubility) and in turn in their ability to cross the blood–brain barrier and exert effects in the central nervous system. [76] Beta blockers with greater blood–brain barrier permeability can have both neuropsychiatric therapeutic benefits and side effects, as well as adverse cognitive effects ...
Additional hypotensive effects may occur when patients are taking beta-1 blockers with other antihypertensive drugs such as nitrates, PDE inhibitors, ACE inhibitors and calcium channel blockers. [17] The combination of beta blockers and antihypertensive drugs will work on different mechanism to lower blood pressure. [17]
It is a quaternary ammonium compound and a semisynthetic derivative of hyoscine hydrobromide (scopolamine). The attachment of the butyl-bromide moiety effectively prevents the movement of this drug across the blood–brain barrier, effectively minimising undesirable central nervous system side effects associated with scopolamine/hyoscine. [25]
Effects of anticholinergic drugs include: Delirium (often with hallucinations and delusions indistinguishable from reality); Ocular symptoms (from eye drops): mydriasis, pupil dilation, and acute angle-closure glaucoma in those with shallow anterior chamber [11] [12] [13]
Antihypertensive agents comprise multiple classes of compounds that are intended to manage hypertension (high blood pressure). Antihypertensive therapy aims to maintain a blood pressure goal of <140/90 mmHg in all patients, as well as to prevent the progression or recurrence of cardiovascular diseases (CVD) in hypertensive patients with established CVD. [2]