L-glutamine, often simply called glutamine, the most abundant amino acid in the body, comes in two supplemental forms: an over-the-counter form often used by bodybuilders, and a prescription form used to treat gastrointestinal problems. Your body makes all the glutamine you need for normal function. Glutamine supplementation can cause side effects, including cough, although not necessarily a productive cough. Do not take glutamine unless your doctor prescribes it, and report side effects promptly.
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Glutamine regulates cell function and also boosts the immune system. This amino acid also removes excess ammonia, which is toxic in large quantities, from your body. Glutamine also helps protect the lining of the intestines, called the mucosa. None of these effects normally stimulate a productive cough.
Uses
Endurance athletes take over-the-counter glutamine supplements to boost the immune system, since the stress of serious athletic training may deplete levels of this amino acid. Doctors prescribe glutamine to treat short bowel syndrome, a disorder where nutrients are poorly absorbed due to bowel disease or surgical bowel removal. People with HIV may also gain weight and absorb nutrients better when taking this medication. Glutamine is not used to prevent or treat a productive cough.
Respiratory Side Effects
Glutamine can cause respiratory side effects, including cough, shortness of breath, rapid, shallow breathing, chest tightening, congestion and wheezing. Other naso-laryngeal symptoms include a hoarse voice, runny or stuffy nose, sneezing, dry or sore throat or bad breath. If you have chest congestion, you could develop a productive cough.
Productive Cough Complications
If a productive cough occurs in conjunction with fever and other respiratory symptoms, you may have an infection. Taking glutamine can also increase your susceptibility to bacterial infection, in some cases. Do not assume a productive cough, meaning one that brings up sputum, is caused by the medication, especially if you have fever, shortness of breath, wheezing or chest pain. See your doctor for a diagnosis.
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