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..
A bachelors degree has two broad categories the Bachelor of Arts (BA, AB) and the Bachelor of Science (BS, BSc, SB, ScB). Bachelors degrees in business administration, architecture, medicine are known as BBA, B.Arch, and MBBS, respectively. There are many other such specialized fields.