This is Dr Basu, experienced Internal Medicine Specialist.
I am here to address your concerns and provide great service.
That is not considered normal.
High uncontrolled blood sugar in the body or diabetes can cause this commonly.
Hence, please get your blood sugar checked soon.
Next possibility can be liver disease.
Alcoholic liver disease can result producing certain chemicals due to toxin accumulation.
Lastly, you can have inflammation of the nerves responsible for taste and smell sensation from nutritional deficiencies.
Vitamin B2 and zincx deficiency are such examples.
It was my pleasure to help you today.
If I have answered all your questions, Please rate my response Excellent (click on the 5th star).
Please bookmark my profile for asking further questions!
This is the link to my profile: