Effective Remedies For Treating Sinus Allergy
Common cold and flu are caused by influenza virus. If you have symptoms like nasal congestion, runny nose, sneezing, cough, sore throat, fever, chills, muscle ache, fatigue, it is likely that you have contracted flu. Flu is mainly caused by influenza virus type A, B, and C. Sinus allergy is a more severe condition, and it may be difficult to identify as it has symptoms similar to cold and flu.