Howard hit 8 of 10 free throws.
Nakye Sanders had 17 points and 10 rebounds for Towson (10-17, 6-8 Colonial Athletic Association).
Towson dominated the first half and led 46-19 at the break. The Dragons' 19 first-half points marked a season low for the team.
The Tigers leveled the season series against the Dragons with the win. Drexel defeated Towson 72-66 on Jan. 17. Towson plays Hofstra on the road on Thursday. Drexel matches up against Delaware at home next Saturday.