Brands: Benadryl, Nytol, Allergy Medicine, Banophen, Diphen, Diphenhist, Wal-Sleep Z, Vanamine PD, Geri-Dryl, Compoz, and more
When I had the cron the most effective drug I had was Nyquil (and Dayquil). It stopped the coughing.
Hydroxyzine.