However, choose the day - use varieties because they don't contain phenylephrine. (momdiscuss.com)
(I also learned, after my exam, that nursing women generally don't have their pupils dilated, since it is not known whether phenylephrine hydrochloride is excreted in human milk.) (health.com)
These actions are specific for the sympathetic and parasympathetic neurotransmitters and for the two cyclic nucleotides, as phenylephrine, tyramine, choline, adenosine 5» - monophosphate and guanosine 5» - monophosphate do not inodify lysosomal enzyme release. (science.sciencemag.org)