Aug 4, 2005 · A stuffy nose is one cause of this symptom. Learn about other causes and when it might be serious.

Acquired anosmia develops later in life due to various causes, such as upper respiratory infections, head trauma, or neurodegenerative diseases. [4] In contrast, congenital anosmia is present from birth and …

It’s usually a temporary side effect of a cold or sinus infection. Our sense of smell fades as we age, so people age 50 and older may have long-lasting anosmia. In some cases, anosmia may be a …

Jul 3, 2023 · These are the most common causes of anosmia, and these include nasal and paranasal sinus disease (rhino-sinusitis, rhinitis, and nasal polyps). These disorders cause anosmia through …

Oct 21, 2025 · Fortunately, for most people, anosmia is a temporary nuisance caused by a severely stuffy nose from a cold. Once the cold runs its course, a person's sense of smell returns. It can also …

Common causes include upper respiratory infections, sinusitis, and head injury. An imaging test such as CT or MRI is typically needed unless the cause is obvious to the doctor.

Medications can contribute to anosmia in susceptible patients. Other causes include prior head and neck radiation, recent nasal or sinus surgery, nasal and brain tumors, and toxins.

Anosmia (total loss of smell) and hyposmia (partial loss of smell) can result from many conditions, medications, and infections. We understand that anosmia can significantly impact your quality of life.

Nov 9, 2024 · Many conditions can temporarily or permanently cause anosmia. More rarely, a decreased sense of smell can signal the start of a serious condition such as Alzheimer's disease or Parkinson's …

What are the common causes of anosmia, and how can it be diagnosed? Anosmia commonly results from viral infections, chronic sinusitis, nasal polyps, or neurological conditions.