In the last year, the FDA has declined to approve three new diet medications, Qnexa, lorcaserin, and Contrave, citing concerns ranging
from potential birth defects to heart risks to cancer.
There are many other
potential causes of cataracts in dogs, such as
birth defects, infection, radiation (usually
from prolonged radiation therapy for cancer of the head), etc. but discussion of these causes is beyond the scope of this review article.