Bought some mucinex dm today for cough and chest congestion. i also take 20mg of lexapro (escitalopram). drugs dot com says major interactions. uhhhh? can i take?

Ask pharmacist or Dr: This is very troubling indeed. And everything I've read supports what you found. Don't risk a potentially life-threatening interaction but do try to find an alternative to Lexapro (escitalopram) w/ your doctor. It's not the guaifenesin part, so you could take Mucinex pills and gargle w/ salt water for throat pain and drink honey-lemon-tea-(bit of bourbon). Sorry, but you actually may find this to work better!