Hansdotter Name Meaning Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair).
Benzonatate begins to work within 15 to 20 minutes, and its effects last for approximately 3 hours.!
Clonazepam is considered a long-acting benzodiazepine (BZD) with a half-life of 17-60 hours in adults; generally it takes about five half-lives for a drug to be considered, out of your system. So like Brian mentioned, although the duration of action is <12 hours, it could be 10-12.5 days before it's been eliminated.