Folic acid is a prescription medication used to treat anemia caused by low levels of folic acid in your body. Folic acid belongs to a group of drugs called vitamins, which are substances that you need to grow and develop.
This medication comes in tablet and capsule forms and is taken once a day, with or without food. This medication also comes in injection form and is given by a healthcare professional when needed.
Common side effects of folic acid include an allergic reaction, a change in sleep pattern, difficulty in concentrating, irritability, excitement, mental depression, and confusion.