Simplify the following text for a Grade 15 native English-speaking person.
Original: The advantage of oral pseudoephedrine over topical nasal preparations , such as oxymetazoline , is that it does not cause rebound congestion ( rhinitis medicamentosa ) ; however , it is more likely to cause adverse effects including high blood pressure .
Simplified: The advantage of oral pseudoephedrine over topical nasal preparations , such as oxymetazoline , is that it does not cause rebound congestion ( rhinitis medicamentosa ) .