Stop taking this medication and seek immediate medical attention if any of these rare but very serious side effects occur: severe headache, slurred speech, seizure, weakness on one side of the body, vision changes (e.g., blurred vision).
B.A. means Bachelor of Arts. (This kind of bachelor's degree is often awarded in the humanities.) B.S. means Bachelor of Science(s) (This kind of bachelor's degree is often awarded in the physical and social sciences.) Of course, some people would that B.S. means bullshit; M.S. means more of the same; and Ph.D. means piled higher and deeper..
There is such a thing as a Certificate, which is for students who want to specialize in a specific area of study in addition to having a Bachelors or Masters degree. Within each degree, except doctoral, there are Arts degrees and Science degrees i.e. Bachelor of Arts (B.A.) or Master of Science (M.S.).