Hi Kristy,
Mestinon is indeed very quick in action, at the beginning not always as fast as Erin and Brian claim it… it also depends on your symptoms but remember that Mestinon doesn't cure the cause of the illness, it only masks the symptoms, like aspirin…
Do not take it on an empty stomach, that has been said and also, as a 60 mg Mestinon is effective during about 4 hours, take it regularly!
If you have difficulties during the night or in the morning, talk to your neuro about Timespan, a special kind of Mestinon(180 mg) which has a delayed effect during 12 hours, it is also more expensive…
Keep us informed of your progress.
Maurice.