All the affected medicines contain ​​​pseudoephedrine, a vasoconstrictor. These vasoconstrictors can pose significant health ...

RAPPORT et al. 1 reported the presence of an enzyme, in extracts of beef and dog lung, which inactivates serum vasoconstrictor. In an attempt to characterize the nature of the enzyme, we have used ...

vasoconstrictor pretreatment for rhinitis. Blood samples were collected serially from 0 to 16 hours. Noncompartmental methods were used to determine pharmacokinetic parameters. Results ...