Any serious drug interactions between Suboxone sublingual film (2mg/0.5 mg) and Cheratussin (1 tablespoon full)? Just curious/worried.

Congratulations on taking the time to investigate the drugs prescribed to you. Following is a link that will allow you enter any and each drug(s) so prescribed/taking and determine possible inter- or cross-reactions. Wish everyone would do so.

Interaction Checker (http://www.drugs.com/drug_interactions.html)

Please advise if we can be of further assistance.