Chamomile tea might help hydrate you when you have a stuffy nose and cough, but as of 2011, there is no scientific evidence that the herb itself will help ease your symptoms. A stuffy nose and cough can be features of the common cold or other medical problems.

Regular, moderate-intensity exercise can boost your immune system, reducing your frequency of colds and infections. Exercising with a stuffy nose is not likely to make your condition worse and may even make you feel better by relieving nasal congestion.

Nasal congestion usually occurs when the mucous membranes inside the nose become inflamed and swollen, but may also be caused by excess, thick mucus in the nose. The sinuses can also become inflamed, worsening a stuffy nose.

Running is a moderate- to high-intensity activity that requires many systems in the body to work overtime to support the extra energy expenditure. Although this level of exercise has been proven to be better for you than no exercise at all, it may sometimes cause discomfort.

Coughing and a stuffy nose are usually signs of the common cold; these symptoms tend to run full force all day long until the virus runs its course. When coughing and nasal congestion appear only after eating, you may have a mystery on your hands to determine the cause.

Onions come from the "Allium" family of plants, with many species consisting of a bulb that grows underground with a vertical stem appearing above ground. A relative of garlic, most onions have a sharp, spicy flavor, although some are sweet and mild. They are used in dishes throughout the world and also medicinally.

Your nasal cavity is filled with tiny blood vessels that can become swollen when triggered by pollen, dust, pet dander, irritants or other illnesses, according to the Mayo Clinic. The result is a stuffy or congested nose—characterized by difficulty breathing, nasal discharge or an itchy nose.

A child's cold can often be treated at home, according to HealthyChildren.org. Typically, an indication that an infant has a cold is when the baby has a runny or congested nose and the nasal mucus is generally clear at first but then becomes thicker and turns a greenish or yellowish color.

An infant has an immature immune system and in the first months of its life it will be exposed to many agents causing infections, allergies and reactions. A stuffy nose is one of the signs of an upper respiratory condition and is very common in babies.