1. Calponin 1 knockout mice exhibited blunted MAP response to phenylephrine administration. 2. I guess tropicamide or phenylephrine or a combination of both. 3. Vicks chose to reformulate NyQuil Sinus in 2006, replacing pseudoephedrine with phenylephrine . 4. Phenylephrine should only be given to pregnant women who have a clear need.5. Guaifenesine is an expectorant, phenylephrine is a decongestant. 6. However, studies have shown that phenylephrine is no more effective than a placebo. 7. Neither study was able to distinguish between the effects of phenylephrine or a placebo. 8. Matrix metalloproteinase-2 proteolysis of calponin 1 resulted in vascular hypocontractility to phenylephrine . 9. Doctors used phenylephrine to control bleeding during the removal of the boy's adenoids. 10. Although we made this recommendation for phenylephrine , it was really for all vasoconstrictive agents,