You've just been told it's not a RI.
You're snake is making an agitated exhalation noise due to the stress/displeasure at being picked up.
If this were a true emergency, where you did in fact need help ASAP, don't waste your time on a forum shopping opinions. Call your vet.
Nobody here can prescribe medication.
Nobody here can hear the noises your snake is making.
You run the risk of getting some very misleading and conflicting advice when you ask for a diagnosis over the internet. If you make the mistake of following that advice, you can get in big trouble really quick.