Brief Answer:
Information

Detailed Answer:
Hello and welcome,

Loss of taste perception can be from a number of different reasons. If it started abruptly, it may be due to a medication, or medical problem rather than the gradual loss that can sometimes happen with getting older.

Medications that can cause this impairment include thyroid medicine, lithium, cancer treatments, and sometimes nasal steroid medications (if they also affect the sense of smell). Other medications can do this too.

Here are some other causes:
Deficiency of Vitamin B12
Deficiency of zinc
Tobacco smoking
Colds, sinus infections, throat infections, nasal allergies
Salivary gland infections
Periodontal disease and gum infections
An autoimmune disorder that causes dry mouth and dry eyes (Sjogren's)
Multiple sclerosis
Bell's palsy
Head and neck injuries
Some neurological injuries or disorders

So you can see there is a wide range of problems that can cause this impairment. Treatment is focused on resolving or limiting the underlying problem.

The good news is that loss of taste perception is typically a temporary problem.

However, it would be advisable for you to go in to see your doctor to discuss this and make sure there aren't any underlying problems that need to be addressed.

I hope this information helps.

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