The answer is YES! Nezuko will turn back to human thanks to Tamayo's medicine. ... On Demon Slayer: Kimetsu no Yaiba Chapter 196, Tamayo gave Nezuko the medicine, and she became human again.

Does Nezuko get cured in the anime?

Snapping out of it, her eyes return to her human state and she declares that she's Nezuko Kamado and a demon killed her family. So it seems like Tamayo's substance was indeed successful, and unless there's a final hour rug pulled out from under us, Nezuko has finally been cured of her demonic transformation.

What happens to Nezuko in the end?

Demon Slayer: Kimetsu no Yaiba has officially come to an end, and the finale confirmed that Nezuko Kamado ended up with someone surprising! ... But one of the biggest surprises confirmed that Nezuko Kamado indeed has children with someone chasing her the entire series.