Some best and secure cough drop for pregnant ladies you can buy online include act dry mouth lozenges soothing mint, cold & cough wellness tea by Hemani and Mommy’s bliss gripe water by mommy’s bliss. You can also look for Biotene dry mouth lozenges, refreshing mint, 81 counts by Biotene or Himalaya herbals Koflet H, orange flavour, soothing relief from sore throat pain, and cough offered by Himalaya Herbals.