[apollosmith]

Interesting question. From a legal perspective, I can't find anything that specifically makes this illegal. Utah Code 76-10-528 states:

Any person who carries a dangerous weapon while under the influence of alcohol or a controlled substance as defined in Section 58-37-2 is guilty of a class B misdemeanor. Under the influence means the same level of influence or blood or breath alcohol concentration as provided in Section 41-6-44.

It goes on to clarify that this also applies to CFP holders.

But 58-37-2 specifically states that legally prescribed and consumed drugs are not considered controlled substances. But if you were to apply the same logic that applies to driving, if you get in a crash in your care because of your cold medicine, you're likely to be charged with a crime - at a minimum reckless endangerment. Even though there doesn't appear to be anything that makes it directly illegal to carry while taking impairing, but legal drugs, if something were to go wrong, I'd probably expect charges to be filed.

 

[xmirage2kx]

It falls under the same area as drinking. It is not illegal, but also not suggested. You can drink up to the legal limit of driving, but I would hate to try and defend myself at a .0079, even if it is legal and I would hate to have my judgment impared by legal drugs and have to defend myself.

 

[scott.pete06]

I hate to admit this but I work for a drug and alcohol testing company. Every day I deal with people who are under the influence. Some of them are addicted to pain pills they were once prescribed.
When I drink my gun is at home or locked up. Same should go to people on LARGE doses of pain med's. This should be common sense, but we continually find out how uncommon that is.