Itchy left hand

Noemie • 👩🏻 0️⃣1️⃣ 👼🏽 🎀 Baby Girl 🎀 Mixed Baby 🇨🇦🇧🇧

I’m a week postpartum and yesterday suddenly my lest hand started itching, it still hasnt stop. Any idea what it could be? Started having small bumps to, not to obvious but it still there.