This is Dr. David
it sounds like you had a bit of a panic attack or anxiety attack right before your diazepam started to kick in to help calm down your anxiety symptoms.
these don't sound like diazepam side effects. diazepam will cause you to be sleepy, to breath more slowly, help you relax, and can help you go to sleep.
the racing heart and shaking sound like anxiety before the diazepam started to work. these are not side effects from diazepam.
your excessive anxiety most likely was making you more worried about taking the diazepam
that is good you feel normal now.
you can talk to your doctor on Monday. I bet your doctor will say that this is normal for you.
let me know if you have other questions.
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