She started popping Benadryl every morning to mask her symptoms ... And one for Robitussin, owned by Haleon Plc, shows a woman downing the cough syrup so she can get back to the office.

Benadryl's (the leading OTC Cough-Syrup) market-share was stagnant in competitive markets (Maharashtra ... It helped bring what could have been a relatively dry deck to life with recognisable brand ...