What if I lose my sense of taste and smell after 3 months of having a cold?

The loss of the sense of taste and smell after three months of colds may be caused by edema of the nasal mucosa and viral damage to the sense of smell and taste.
1. Nasal mucosal edema: the patient’s nasal mucosa may be in a state of edema, odor particles can not enter the mucosa of the olfactory region caused by the use of budesonide, mometasone furoate and other nasal sprays as prescribed by the doctor, but also cause the oral mucosa to react sluggishly, so you will feel the sense of taste failure. You can use methylcobalamin, vitamin B1 and so on to improve.
2. Virus damage to the sense of smell, taste: colds are good for three months the sense of taste and smell failure, may be the cold virus pathogens damage nasal olfactory cells, taste buds, resulting in smell, taste disorders. Sometimes the sense of smell and taste can be restored by itself, or it is difficult to restore. Nutritional nerve medication can be used, such as methylcobalamin, vitamin B1 and so on.
It is recommended that patients can go to the otorhinolaryngology department of the hospital, cooperate with the doctor to improve the examination, to clarify the specific causes before handling and treatment, and not blindly use drugs.