can allergies cause swollen lymph nodes

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Enlarged Cervical Lymph NodesWe can earn links commission on this page, but we only recommend products that we return. Can allergies cause swollen lymph nodes? It is possible, but it is not super commonHere is when seeing a doctor about the enlarged glands around your throat, or anywhere else in the body. The swollen lymph nodes are usually a sign that your body is fighting an infection, either of bacteria or viruses. This may result from the throat of streptocoa, an ear infection, mononucleosis, or even an infected tooth. You may experience swollen lymph nodes (small, bean-shaped glands throughout your body—in your neck, in your armpits, under your chin, or around your groin, according to the . But is it possible that your swollen lymph nodes are caused by something else, such as allergies? If you are a , you may be asking if allergens like pollen and grass might be behind your sudden inflammation, especially in your throat area. This is what you need to know. What are the lymph nodes? The lymph nodes are part of your lymph system, a network that runs through the lymph fluid through your body, according to the (ACS). Your lymph system is a crucial part of . Your lymph system's work is to collect fluid, residual material, viruses and bacteria that are in your tissues and send them to your lymph nodes. These nodes are small structures that work as filters for harmful substances, explains the ACS. They help combat the infection by attacking and destroying (thanks to single white cells called lymphocytes) that are taken to them by the lymph fluid. You have hundreds of lymph nodes located around your body, some are deep in your body, such as your lungs or around your intestine, and others are closer to your skin. After the lymph fluid flows around your body, filtered fluid, salts and proteins are discharged back into your bloodstream. Why do the lymph nodes swell? When a lymph node is trying to filter pathogens, it can swell or expand while going to work, the ACS explains. Usually, only one area of lymph nodes is swollen at the same time, and the most common areas for swollen lymph nodes are in the neck, groin and armpits. There is actually a medical term for this: lymphadenopathy. The swollen lymph nodes are a sign that something is off, but it is usually matched with other symptoms that will help you and your doctor find out what exactly is going on in your body. Can allergies cause swollen lymph nodes? Possibly. "Everything that activates the immune system can cause swollen lymph nodes," he says, an allergist and immunologist with the . ., a primary care physician at the Baltimore Mercy Medical Center, agrees. "One, allergies, everything can cause lymph nodes to swell while the body responds to the immune 'crisis'," he explains. These are on both sides of the neck, under the jaw around the throat, or behind the ears. Children are more likely to experience swollen lymph nodes due to allergies, but "it can happen" in adults suffering from allergies, notes, an allergist and immunologist at Rutgers Robert Wood Johnson University Hospital. That said, it is not a typical symptom and seasonal allergies are unlikely to cause someone to have swollen lymph nodes, says Dr. Parikh. The only time it would happen is if your allergies are "very severe," he says. It is more common, however, to develop swollen lymph nodes as part of a secondary infection of its allergies, such as a , says , an otolaryngologist and laryngologist at Providence Saint John Health Center in Santa Monica, California. How to treat allergy swollen lymph nodes The swollen lymph nodes are a sign that something is in your body. To reduce inflammation, you need to treat the underlying cause, says Dr. Parikh. Here are a few things you can do: When to Call Your Doctor If You Have Swollen Lymph Nodes If your swollen lymph nodes come and go and do not become "significantally large," then it is probably okay to wait and see if allergy medication helps, says Dr. Besser. But if the swelling persists for several days, it doesn't seem to be improving, and it's even getting worse, it's a good idea to talk to your doctor. Ditto if you (note: ) or if you are seriously uncomfortable around the lymph nodes. That could be a sign of infection, says Dr. Mehdizadeh. (our better value, full access plan), subscribe to the journal, or get access only digital.

What to know about reactive lymph nodes When the body fights an infection or injury, the lymph nodes are sometimes swollen. Doctors call it a reactive lymph node. Reactive lymph nodes are not dangerous. The lymph nodes of House B and T, which are essential types of white blood cells. These cells help the body fight infections of bacteria and viruses. Lymph nodes also carry lymph fluid and are connected through lymph vessels. Together, lymph nodes and lymph vessels form the lymphatic system, which is an essential part of the immune system. When something goes wrong in the body, the lymph system produces cells to fight bacteria, viruses and other causes of disease. The lymph nodes are swollen in this process. Lymph nodes can also swell in response to an injury while working to prevent or stop an infection. Sometimes, lymph nodes may swell due to . Lymph nodes tend to swell near the site of the injury. For example, the lymph nodes behind or below the ears can swell when a person has an ear infection, while the lymph nodes in the neck can swell in response to . The main symptom of a reactive lymph node is inflammation. Sometimes the area around the lymph node is also swollen. The body contains hundreds of lymph nodes, and they on the neck and around the face, along the groin, and under the arms. When lymph nodes are swollen due to infection or injury, inflammation is usually in a specific lymph node or in a group of lymph nodes. A person who has many swollen lymph nodes throughout the body may have a severe systemic infection or possibly certain types of cancer. Reactive lymph nodes often accompany an infection or injury. A person may notice other symptoms of infection, such as: A swollen lymph node does not necessarily mean that the infection is severe. Some people's lymph nodes are swollen very easily, and a person has no other symptoms. The most common reasons are lymph nodes: Sometimes a person may have an immune disorder that causes the lymph nodes to swell. Less common causes of swollen lymph nodes include: When a person has cancer or severe infection, he or she may have many swollen lymph nodes. Swelling in a single lymph node is less likely to be a sign of a serious problem. The proper treatment for swollen lymph nodes depends on the cause. When a person has no symptoms of infection, inflammation often disappears on its own. When infections cause a reactive lymph node, a person may require. The most severe infections may require a person to stay in the hospital or receive antibiotics through an intravenous needle. People with weak immune systems may also need to stay in the hospital, even for relatively minor infections. Treatments are available for many forms of cancer, especially if a doctor diagnoses them early. Depending on the type of cancer a person has, a doctor may recommend the elimination of lymph nodes, or radiation. A person with swollen lymph nodes should not avoid the doctor because they fear the cancer. The treatment of delay gives time to cancer to grow and get worse. Swollen lymph nodes can be alarming, especially if the cause of inflammation is not clear. In most cases, however, the swollen lymph nodes are a sign that the body's immune system is working well. People who have or , who take immunitarian medications that suppress the system, or whose doctors have told them they have a weak immune system, should call the doctor if their lymph nodes are swollen. For most people, it is safe to wait 1–2 weeks to see if the symptoms disappear. See a doctor within a day or two if any of the following occurs: If a person has no signs of infection, a swollen lymph node could be a sign that the body has successfully fought against an infection. It is safe to wait about 2 weeks to see if the inflammation decreases. If the swelling does not go away, or if the lymph node is rough or larger than 1.5 cm in diameter, consult a doctor. The lymph nodes are swollen for many reasons, most of which are relatively harmless. However, it is important to recognize a swollen lymph node as a sign of the body that it might be fighting an infection. A doctor may help determine whether a person has a serious infection that justifies treatment, as well as evaluating other potential causes of reactive lymph nodes. Sometimes the lymph nodes remain swollen long after an infection has disappeared. As long as the lymph node does not change or become difficult, this is not usually a sign of a problem. If a person notices that lymph nodes change, harden or grow very large, they should see a doctor. Last medical review on April 16, 2019Most recent newsRelated coverage

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