Expert: Denver ER Doc replied 5 years ago. Vomiting and diarrhea are not among the listed side effects of phenylpropanolamine (Proin), however it can cause restlessness and decreased appetite which may result in vomiting, GI upset, and possibly diarrhea.
1 Bring to a rolling boil over high heat, then reduce heat to a lower medium boil for an additional 12 minutes. 2  Promptly place eggs in ice water to chill so egg yolks remain nice and bright yellow.  Hard boiled eggs are good for one week if kept in the shell in the refrigerator.
Eggs kept in the refrigerator for a week to ten days before boiling will peel more easily. Hard-boiled eggs are usually good for up to one week after they have been hard boiled, as long as the shell is not cracked.