I fly almost weekly on business. Have never had any issues with medication. Did hear of a passenger whose meds whose meds were stolen by a screener. I do now carry some meds in their perscription container. I also take one of those 7 day med containers with vitamins. No one has ever looked at them or ever taken a look at the prescription containers. I never put meds in checked baggage.

As for matches and lighters. Starting in April, no lighters in either checked baggage or to be carried on. Matches are ok as long as are not the "strike anywhere" type.