Losing taste

I don't know if this is the right area to post or not, but here goes. I'm losing my sense of taste. I eat and it's all I can do to stop from vomiting. Food is so bland to me right now. I went through this about 4 years ago and my family doctor sent me to a specialist who found nothing. I had a CT scan and MRI to see if I had a brain tumour (no). It eventually went away. Does anyone know if this is a common thing in menopause? I'm 53 and have been perimenopausal since I was 40 (yes, that long). I really can't stand this. It's everything I can do to keep things down. Please help.