Sadness after a breakup is normal. Depression after a breakup is also common — and it has a different shape, a different timeline, and a different treatment path.
Heartbreak hurts but you can still feel moments of joy. Depression flattens everything for two weeks or more, including things unrelated to the relationship.
If symptoms last more than 2 weeks, affect your work or eating, or include any thoughts of self-harm — see someone now.
Yes. Almost always. Depression after a breakup typically resolves within 3–6 months with the right support, often sooner.