Does Clay Jensen have PTSD?

What were the 13 Reasons Why Hannah died?

At the beginning of the series, we learn that 17-year-old schoolgirl Hannah Baker has completed suicide by cutting her wrists. ... On his doorstep, Hannah's friend Tony Padilla finds a box containing seven audio cassette tapes, each containing a recording of Hannah narrating 13 reasons for her suicide.

Does Clay Jensen have PTSD?

Ellman doesn't call it out specifically, it seems Clay has a form of the disorder called psychogenic amnesia, which is the inability to recall personally significant memories. His condition is likely triggered by all the personal trauma and loss he's dealt with throughout the seasons.