Whey protein is a collective term used to describe proteins contained in the liquid portion of separated cow’s milk, called whey. If you have a cow’s milk allergy, consumption of whey or other milk proteins can trigger the onset of a variety of symptoms. However, a nosebleed is typically not one of them.
Whey Protein Basics
The main proteins in cow’s milk, called caseins, give milk much of its benefit in human growth and development, according to the University of Illinois. When milk is separated during the production of cheese, its casein content stays in the milk solids called curds. The remaining liquid, or whey, contains a variety of non-casein proteins, including beta-lactoglobulin, alpha-lactalbumin, serum albumin and a group of proteins called immunoglobulins. When compared to caseins, these whey proteins are relatively hard to digest. Incomplete digestion of whey proteins, especially beta-lactoglobulin, can result in the onset of a milk allergy.
Milk Allergy Symptoms
A milk allergy can have localized effects in your intestines or more general systemic effects, the University of Illinois reports. Potential symptoms of this type of allergy include abdominal pain, diarrhea, nausea, vomiting, fainting, dizziness, shortness of breath, chest tightness, hives, itching, eczema and swelling or tingling that develops in your tongue, lips or throat. In some cases, people with allergies to whey or other milk components develop a severe, body-wide reaction called anaphylaxis, or anaphylactic shock, which can begin suddenly and result in death.
Nosebleed Causes
Most nosebleeds are the result of colds or a minor nasal irritation, explains the U.S. National Library of Medicine’s MedlinePlus. They most typically occur in the front portion of the septum, a fleshy wall that separates the right and left nostrils. Other potential causes of a nosebleed include direct physical injury, sneezing repeatedly, getting an object stuck in your nose, overusing nasal decongestant sprays, exposure to chemical irritants, exposure to very dry or very cold air, nose picking, large doses of anticoagulants or aspirin, forceful blowing of your nose, anatomical or structural problems, unusual nasal growths, an upper respiratory infection and allergies to dust, pollen or dander.
Considerations
Your doctor can perform a physical exam to help uncover the cause of a nosebleed. If you have a nosebleed that lasts for more than 20 minutes, or if you develop a nosebleed after sustaining an injury to your nose or head, seek emergency medical assistance. In addition to ingredients labeled as whey or casein, substances in cow’s milk or cow’s milk products that can trigger a milk allergy include lactoferrin, lactulose, casein hydrosylates and caseinates. Consult your doctor for more information on the causes of nosebleeds and the potential consequences of allergies to whey proteins or other milk components.
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