Not Medical Advice
A round white pill with the imprint M on the front, and G4 on the back of it is 1mg of Guanfacine hydrochloride (made by Mylan Pharmaceuticals Inc.).
Guanfacine hydrochloride is a centrally acting antiadrenergic agent that is used to treat high blood pressure, and ADHD.
It is also sold under the brands:
There is a low risk of abuse with this drug.
This prescription-only medication is not proven to be a risk to an unborn fetus, but should be used only under a doctor's supervision.
HelpGuide.org offers Help for Adult ADD / ADHD: Tips for Managing Symptoms and Getting Focused, PsychCentral provides 15 ADHD-Friendly Tips to Fire Up Your Focus, and the Mayo Clinic offers 10 ways to control high blood pressure without medication.
In hopeful health news, ABC news is reporting that New Study Reveals ADHD Can Be Treated Without Drugs.