&. Donovan , like thousands of other people , was injured by an over - the - counter cold medicine that caused his hair to fall out . Even though his hair has grown back , he wants to suE . His lawyer advisEs that doing so would be expensive and not cost- Effective . GIVEN the small amount of damage that temporary hair loss caused Donovan and other people* like him . Donovan and others in his situation can make a lawsuit costeffective by filing* AL. a small - claims lawsuit . ` . in State court C. in federal court L . a class action lawsuit