Tetryzoline
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Tetryzoline is an alpha-adrenergic agonist used in the temporary symptomatic relief of discomfort and redness of the eyes due to minor irritations, as well as alleviate nasal congestion.
Tetryzoline is an alpha-adrenergic agonist used in the temporary symptomatic relief of discomfort and redness of the eyes due to minor irritations, as well as alleviate nasal congestion.
Adrenergic receptors are G-protein-coupled receptors (GPCR) that regulate vascular tone: stimulation of alpha-1 adrenergic receptors leads to vasoconstriction. Ocular redness and nasal congestion often result from vasodilation of nasal, conjunctival, and corneal capillary blood vessels. Activation of alpha-1 adrenergic receptors have been therefore associated with a reduction of symptoms of ocular irritation and nasal congestion. Tetryzoline is a selective agonist of alpha-1 adrenergic receptors, causing vasoconstriction and alleviating ocular and nasal symptoms.
用于过敏性结膜炎、急性或慢性结膜炎，也可用于花粉症所引起的充血性结膜炎、灼热及痒感、眼疲倦。亦可用于由于配戴眼镜、阅读、看电视、暗室工作引起的视疲劳。
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