Our 11 year old daughter was seriously depressed recently. N=1, but fluoxetine was life changing (and potentially life saving) for her, at least.
replies(3):
Sometimes girls get depressed when their periods start. Girls often don't ovulate regularly, which can cause problems until their cycle stabilizes. Sometimes pediatricians don't allow girls' cycles to stabilize. The doctor says to the girl, "you're a woman now, so we're going to regulate your irregular period with birth control."
Women often get depressed due to the progestins used in all the birth control prescriptions.
SSRIs never help because of boosting serotonin. When someone benefits, it's from the drug's other physiological effects.