Asthma is a chronic (long-term) condition that affects the airways in the lungs. The airways are tubes that carry air in and out of your lungs. If you have asthma, the airways can become inflamed and narrowed at times. This makes it harder for air to flow out of your airways when you breathe out. Things in the environment (called allergens) that affected you as a baby or young child, which may include cigarette smoke or certain germs.

A cold is a mild viral infection that can cause a cough, sore throat, runny nose, sneezing, and nasal stuffiness. it can take 14 days or more to fully recover. When infection occurs, treatment is focused on rest, fluids, and symptom relief.

A condition in which the air filled cavities around the nasal passages called paranasal sinus become inflamed. Acute sinusitis can be triggered by a cold or allergies and may resolve on its own. Chronic sinusitis lasts up to eight weeks and may be caused by an infection. Symptoms include headache, facial pain, runny nose, nasal congestion and heaviness of face.