Suicide Attempt on Doxycycline.

My 14 y/o daughter tried to kill herself, totally out of the blue while on doxycycline. She says that the suicidal thought began shortly after starting the medication, but she did not connect the two; she also didn't tell anyone because she felt she could handle them herself and didn't want to worry anyone. Then the dose was doubled, and 2 1/2 weeks later she attempted suicide. The doctor just says doxycycline doesn't do that.... and isn't reporting to the FDA. So I reported it to the FDA myself. I wonder how many serious side effects are not being reported because doctors refuse. Consumers can report directly to the FDA.... you don't have to be a medical professional. If you had a serious side-effect, PLEASE notify the FDA... otherwise nothing will be done!