Why do I always smell ammonia in my nose?

There are many kinds of smells in life. Some smells are unpleasant and make people feel very uncomfortable, while some smells are fragrant and even very tempting. Of course, the nose plays an important role in people's ability to smell odors, but some people always smell ammonia in their noses. This situation is related to many factors. So why do people always smell ammonia in their noses?

1. Causes of hyposmia

It is more common in colds and various rhinitis; when you feel a significant decrease in your sense of smell, you may have acute rhinitis or allergic rhinitis; when your sense of smell is completely lost. You may have atrophic rhinitis. In addition, nasal polyps, tumors, hypertrophy of the nasal conchas, and intracranial tumors can also cause decreased sense of smell.

2. Causes of olfactory hypersensitivity

Olfactory hypersensitivity refers to the feeling of extreme uneasiness or discomfort when a patient smells a small amount of odor in the air that is not perceived by normal people. It is more common in people with nervous constitution and some people with increased intracranial pressure.

3. Causes of Olfactory Perversion

It means that the smell of the inhaled olfactory element is different from the smell of the olfactory element in memory, such as mistaking odor for fragrance, or thinking there is odor when there is no odor. It is common in people with head trauma, spinal tuberculosis, mental illness, debility, neurasthenia, etc. In addition, taking certain medications, such as aminopyrine, often causes olfactory perversion.

4. Causes of phantom smell

It refers to a person smelling an odor that does not actually exist, and is often some disgusting and strange odor, such as "burning rubber", "burning chicken feathers", "rotten eggs", "rotting corpse" and so on. It is common in patients with schizophrenia, epilepsy, fright disease and neurasthenia. Normal people may also experience olfactory hallucinations when they are extremely tired, extremely scared, extremely cold, extremely hungry, lonely for a long time, or under the effects of certain drugs.