Alpha-1B receptors can be found in blood vessels.Īlpha-1 blockers block the alpha-1 receptors from becoming stimulated by norepinephrine. When stimulated, they inhibit urine flow.
These receptors can be found throughout the whole body, and they produce tissue-specific responses when stimulated.Īlpha-1A and 1D receptors are in the bladder, ureters (connecting your kidneys to your bladder), and prostate. There are three types of alpha-1 receptors: alpha-1A, alpha-1B, and alpha-1D adrenergic receptors. Health care providers use alpha-1 blockers more frequently, and alpha-2 blockers don’t have many uses in human medicine.Īlpha-1 blockers block alpha-1 receptors. Alpha-blockers are grouped based on whether they selectively inhibit either alpha-1 or alpha-2 receptors or inhibit both types of receptors. There are two main types of alpha-adrenergic receptors: alpha-1 receptors and alpha-2 receptors. Alpha-blockers, also known as alpha-adrenoreceptor antagonists or alpha-adrenergic blockers, are medications that work by inhibiting a type of receptors inside your body known as alpha-adrenergic receptors or alpha-adrenoceptors.
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