Bad Breath, Difficulty Breathing Through Nose, Headache And Nasal Congestion

Reviewed on 4/18/2022

Bad breath can be related to sinus infections or other infections involving the upper respiratory tract. Difficulty breathing through the nose, headache and nasal congestion can also accompany allergic reactions, sinus infections, or non allergic rhinitis. If you have symptoms of an upper respiratory infection that do not improve, seek the advice of your doctor.

While the list below can be considered as a guide to educate yourself about these conditions, this is not a substitute for a diagnosis from a health care provider. There are many other medical conditions that also can be associated with your symptoms and signs. Here are a number of those from MedicineNet:

At MedicineNet, we believe it is important to take charge of your health through measures such as a living healthy lifestyle, practicing preventative medicine, following a nutrition plan, and getting regular exercise. Understanding your symptoms and signs and educating yourself about health conditions are also a part of living your healthiest life. The links above will provide you with more detailed information on these medical conditions to help you inform yourself about the causes and available treatments for these conditions.

Symptoms & Signs A-Z List

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