Hydrofluoric (HF) acid, one of the strongest inorganic acids, is used mainly for industrial purposes (eg, glass etching, metal cleaning, electronics manufacturing). Hydrofluoric acid also may be found in home rust removers. Exposure usually is unintentional and often is due to inadequate use of protective measures.
It can be difficult to pinpoint the exact cause of a burning smell in nose. Thatâs because the potential causes are many. One possible explanation for this symptom is sinus congestion. A lot of people suffer from this, so you shouldnât rule it out. People with sinus problems sometimes smell things that arenât there, too.
Too much dryness in nasal cavity results in burning inside the nose. Allergy to certain foods can also lead to burning and inflammation in nasal mucus membrane. Nose picking and digging can make the nasal lining dry, which in turn can cause burning sensation in the nose. Diseases such as multiple sclerosis, stroke can cause burning sensation in the nose.