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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 ...
Bisoprolol, sold under the brand name Zebeta among others, is a beta blocker which is selective for the beta-1 receptor [7] and used for cardiovascular diseases, [7] including tachyarrhythmias, high blood pressure, angina, and heart failure.
Common side effects include dizziness, tiredness, joint pain, low blood pressure, nausea, and shortness of breath. [5] Severe side effects may include bronchospasm. [5] Safety during pregnancy or breastfeeding is unclear. [6] Use is not recommended in those with liver problems. [7] Carvedilol is a nonselective beta blocker and alpha-1 blocker. [5]
The β-blockers are an immensely important class of drugs due to their high prevalence of use. The discovery of β-blockers reaches back to more than 100 years ago, when early investigators came up with the idea that catecholamines were binding selectively to receptor-like structures and that this was the cause of their pharmacological actions. [3]
Cerebrovascular accident (stroke); Myocardial infarction (heart attack); Cardiomyopathy; Congestive heart failure; Bradycardia; Dysphoria; Hallucinations; Feelings of ...
The most common side effect is eye irritation felt as stinging or burning, which occurs in up to a third of patients. Blepharoconjunctivitis occurs in up to 5% of patients. Rarer adverse effects include keratitis, edema and increased lacrimation. [3] [4] Allergies are rare, but seem to be more common than under the related drug timolol. [2]
Other side effects include masking the symptoms of low blood sugar in those with diabetes. [3] Use is not recommended in those with asthma, uncompensated heart failure, or chronic obstructive pulmonary disease (COPD). [3] It is unclear if use during pregnancy is safe for the fetus. [6] Timolol is a non-selective beta blocker. [3]
Adrenergic competitive antagonists are shorter lasting than the other two types of antagonists. While the antagonists for alpha and beta receptors are usually different compounds, there has been recent drug development that effects both types of the adrenoreceptors. Phentolamine, an adrenergic antagonist
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