<s>[INST] this week i have to travel by the plane for 10 hours how many mg of klonopin should i take before i get on the plane ? to avoid any panic attacks can i take 10 mg of klonopin an hour before the i get on the plane and then take 15 mg take when i got on the plane thanks [/INST] HIThanks for using healthcare magicI think, you should try 1 mg of klonopin (clonazepam). That would help to control panic attacks. In case, you get this, you can take 1mg on sos basis. That would help to control the anxiety attack. You can also try some relaxation exercise in plane. That would keep you relax and calm. In case, you need further help, you can ask.Thanks </s>