Upper respiratory infection
Bronchitis and asthma
Pneumonia
Sinusitis and middle ear infection
Meningitis (see Meningitis)

          
These are common infections in Nepal, and may require antibiotics. Some people suffer from asthma problems (hyper reactive airways) more frequently in Nepal. The cough and difficulty in breathing seems to get worse at night. Treatment with a bronchodilator inhaler (locally called asthalin inhaler) may be very useful. Sinusitis is a very common problem, specially during a trek due to the cold air. With middle ear infection hearing impairment may take 2-3 weeks to come back to baseline.