Patients who have qualitative olfactory distortion
Etiology of qualitative olfactory distortion is due to upper respiratory infection
Quantitative score under the 10th percentile on the SSParoT (HedRang and HedDir)
Quantitative score ≥ 8 on the QOD.
At least 6 months of parosmia but less than 24 months
Patients can have been previously treated with oral and topical steroids but this is not a requirement
Patients will receive concurrent olfactory training - the practice of smelling strong odors (standard of care)
Be able to read and understand English
Be able and willing to provide Informed Consent
You may not be if
Patients \< 18 years of age, pregnant females, patients who have structural abnormalities on nasal endoscopy or radiographic imaging that would prevent injection into the olfactory cleft
Olfactory loss due to trauma, chronic sinusitis / inflammation / polyps, neoplasms, or neurodegenerative diseases or patients who have had olfactory loss \> 24 months
Patients with bleeding disorders or on blood thinners such as coumadin and plavix
Clareo Health | Randomized Clinical Trial of Intranasal Injection of Platelet-Rich Plasma for Treatment of Parosmia
