Some hemorrhoid products (e.g., Preparation H Hemorrhoidal Ointment) include vasoconstrictors (e.g., phenylephrine) to decrease swelling. If the patient reads and follows all labeled directions for frequency of
Some hemorrhoid products (e.g., Preparation H Hemorrhoidal Ointment) include vasoconstrictors such as phenylephrine to decrease swelling. The possibility of absorbing the ingredient in sufficient amounts to cause a measurable drop in blood pressure is remote when the products are used according to al...