I received a throat lozenge from a FA flying EWR-LAX a few days ago as I couldn't stop coughing on a flight. I have two extra, but the writing was worn off and they worked SO well, I want to purchase some. The FA told me that they are the cough drops that are prescribed to them from the airline doctor as they don't affect their work and function very well. Anyone have a clue what they're called? They are green and in individual packaging. Thanks.