cough and nasal congestion
"Took DM at bed time and will never do that again! Yes I felt better and felt some relief,however, the heart palpitations were out of this world! I was so jittery still 3 hours later,  that I literally couldn't sit still in my bed. Finally was able to sleep at 3 and woke up feeling super dehydrated and almost hungover, with puffy eyes and a bad headache. No Mas!"