Welcome Happy Lady!

Sorry to hear about your MG and thymoma dx - but glad you are well on your way to recovery from your surgery.

I can not speak to most of your questions, but many here can ... and I'm sure will. Mestinon is a funny little drug. Too little doesn't help much - - but too much can make you weaker than none at all. And because MG is so different and unique in the way it affects each individual, it is difficult for any one to speculate on dosages of Mestinon for anyone other than themselves.

Typical side effects of Mestinon are excessive salivation, tearing, stomach / intestinal cramps or upsets, sometimes nauseousness. An overdose can cause marked weakness.

Work with your doctor on dosage based on your reactions. And try drugs.com for more info on side effects and drug interactions. It has quite a comprehensive list.

As for other drugs and treatments, there are folks here who have the kind of first hand experience you seek. In the meantime, welcome and always feel free to ask questions. The forum is full of folks with a great deal of knowledge and empathy!