Building cardio stamina can help improve health-related quality of life in people with asthma, as long as a few precasutions are taken.

Almost anything, including foods, animals, medications and airborne substances, can cause an allergic reaction. Allergy symptoms can range from mild to severe. Most allergic reactions are mild and easily treatable, but occasionally a severe reaction can become life-threatening.

If you've noticed chest congestion and excessive phlegm production after exercise, you're not alone. While fatigue or shortness of breath occur commonly in exercise, it may point to respiratory irritation.

Milia are small, benign whitish bumps that can develop on various body parts in people of all ages. The two main forms of this condition are primary and secondary milia. While primary milia are very common in newborns and appear mostly on their cheeks and noses, secondary milia can affect older children and adults.

While asthma is a lung disease that causes breathing difficulty, it is often part of a larger syndrome called atopy. This term refers to an increased tendency to develop allergic reactions.

According to the Mayo Clinic, asthma is a disease characterized by constricting airways, swelling and mucus production in response to environmental triggers. The National Institutes of Health classifies asthma based on four stages created to help health-care practitioners treat asthma.

Most health-focused organizations will affirm that exercise is a vital part of your health. The American Heart Association recommends exercising or engaging in some type of physical activity for a minimum of 30 minutes per day for at least five days.

Certain irritants or allergies can trigger an asthma attack, which causes the airways of the bronchial tubes to constrict, resulting in extreme difficulty in breathing due to the inflammation and increased mucous produced by the lungs, according to MedlinePlus.

According to the U.S. Food and Drug Administration, Singulair is the brand name of a medication called montelukast. It is a leukotrine receptor antagonist that blocks leukotrines. These are chemicals that trigger an allergic response in the human body.

If you have a burning sensation in your chest while walking on a treadmill, you’re likely experiencing symptoms of exercise-induced asthma. Exercise tends to trigger an attack for most chronic asthma sufferers, but in some cases, exercise is the only trigger.

Phlegm. It's hard to spell, sounds terrible and feels worse. Physicians and researchers call excess phlegm in the lungs and upper chest "chronic mucus hypersecretion." A runny nose, sneezing and coughing up phlegm are common symptoms of seasonal allergies such as hay fever.

Albuterol is a bronchodilator that works to relax constricted air passageways to improve air access for people experiencing bronchospasm or suffering from obstructive airway disorders, according to Drugs.com.