Nausea for 2 weeks, not being able to eat anything but salads. Burnt rubber smelling urine. Fatigue, dizziness and stomach pain. Not sexually active.

See your doctor ASAP. There are many conditions that might be causing the symptoms that you have. But in any case, you definitely need to be evaluated as soon as possible. In the meantime i recommend that you trying to stay well hydrated and eat as well as you can tolerate. Good luck!