I DID!!!!!!!! Oh my to find someone else that had that. I started smelling ammonia off my skin but it went away for a number of months. Then it came back and went away. This happened twice in a two year period. Then I was diagnosed with stage 3 lung cancer. I know this post is 6 years old. I'm trusting everyone is ok. ❤️ My ammonia odor was not specific to an area. I felt like it was just leaking out of my skin. Though I didnt have a change in sweat. People could smell it if they stood by me. Especially if I was working out. I felt like I had covered myself with it. It gave me headaches. Now that I'm diagnosed, I don't smell it anymore. You know, dogs can smell cancer. Perhaps some of us can too when it starts to invade! Docs had no clue and were not willing to even test to try and figure it out. Err on caution if this happens to you!