One theory is that the drug causes vasoconstriction (narrowing of the blood vessels) in salivary glands, decreasing salivary flow, and this is thought to be due to the activation of alpha-adrenergic receptors in these glands.
The drug causes vasoconstriction (narrowing of the blood vessels) in salivary glands. The drug is decreasing salivary flow. One theory is this. This is thought to be due to the activation of alpha-adrenergic receptors in these glands.