Goodmorning doctor my father is 49 yrs old and he...

Management of loss of smell :

Treatment requires finding the underlying cause of the condition , which needs history and clinical examination . First , we recommend patient isolation for 14 days or until covid-19 test results come up . Generally , we recommend taking good rest , avoid excess worrying about the issue , drink good amount of water daily to avoid dehydration , mainatain well balanced diet and increase intake of vitamin c- rich foods , quit smoking  , use saline nasal drops twice daily , take vitamin C 500 mg once daily ,  Zinc 25 mg once daily in the morning  , and use diphenhydramine nasal spray once daily .

Diagnosis :

This needs full history and clinical examination , do a full blood count to assess the white cell count , CRP level , and PCR for covid 19 in the nearest medical center .

Possible causes :

• covid 19 infection
• allergic rhinitis
• side effect of smoking
• side effect of some medications
• brain tumor

Recommendations :

To follow instructions above and  see a doctor for follow up .