Kyleena IUD and lower back pain

I’ve only been on it for going on 3 weeks now. The first week was cramping and low back pain. Week 2 was nausea and hunger pains. I’m starting week 3 now and I’m working with my hunger, tiredness, and possibly some mood swings. So far I really like it. I don’t feel it, it doesn’t hurt or nothing.

I have been on kyleena almost 5 years, January 2025 it will be 5 and little to no problems. But I didn't know there was a mucus discharge, had thought I always had a yeast infection. Almost time to get a new one and I've started spotting again.

This caused pain/vomiting/inability to sleep for 3 months after insertion. I was promised it would improve, and told to just keep giving it time. Severe menstrual cramps continued the whole 2 years that I had this. Doctors promised many times over the 2 years that my symptoms were normal and/or not due to the IUD(both incorrect). Around the 9 month mark I began to develop progesterone hypersensitivity autoimmune disease. This continued to progress until I removed it. This new condition landed me in the ER multiple times due to anaphylaxis: asthma, heart palpitations, high BP, frequent fainting, extreme rashes etc. I had to quit my job because I was not functional on any level. Luckily I eventually figured it out.