I apologize if any of this has been gone over before in this thread, here's my experience.
After checking the Bioavailability/Half-life thread, I found that
Lorazepam: 78% intranasal
In order to test that, I insufflated two .5 mg Ativans. I have only taken about 8 mg alprazolam and this lorazepam over the past year = no tolerance.
I wouldn't call it a "rush," but I did feel a little faster. And yes, the primary "benzo" effects did wear off quickly.
I'm thinking of upping that dosage to 2 mgs. Good idea?