I'm happy that you have asked me to assist you with your child and hope that you can benefit from my many years of helping parents like you.
Can you tell me what the strength of the dramamine is?
The dose for her age of of the 50 mg human pill is 12.5 mg, so 1/4 of the dose sold for humans over the counter.
Can you tell me the strength of the pill you have?
Are you able to chat?
Then 1/4 pill is fine.
Just dissolve it in something and give it to her.
You are quite welcome and have a safe trip.