i am on insulin 25 units before breakfast and 7 units at nite before dinner using a quik pen of 70/30 humulin . i am also on gabapentin 300mg 3 times a day with meals...metformin 500 mg twice a day with breakfast and dinner....aspirin 81 mg one pill a day..lisinipril 5 mg tablet 1 pill a day.. toprol 25mg 1 pill a day...plavix 75 mg pill 1 pill a dayand last lipitor 80 mg 1 pill a day. also i am on protonix 40mg pill 1 pill a day. my question is since i have a cough is it safe to use vicks cough drops with all of these meds that i am on?