Swollen Lymph Nodes: Causes, Symptoms, and the Role of Smoking
Lymph nodes, small bean-shaped glands found throughout the body, are crucial components of the immune system. They filter lymph fluid, a clear fluid containing waste products, bacteria, viruses, and other harmful substances. Within the lymph nodes, white blood cells, such as lymphocytes and macrophages, work tirelessly to eliminate these threats, protecting the body from infection. When the body fights off an infection, these lymph nodes can become swollen, tender, and sometimes painful – a common response indicating the immune system is actively engaged.
Opgezette lymfeklieren: oorzaak vergrote & pijnlijke klieren (Swollen Lymph Nodes: Causes of Enlarged and Painful Glands)
Several factors can cause swollen and painful lymph nodes. These include:
* Infections: This is the most common cause. Bacterial, viral, and fungal infections can trigger inflammation in nearby lymph nodes. Common culprits include the common cold, flu, strep throat, mononucleosis (mono), and various skin infections.
* Autoimmune diseases: Conditions like rheumatoid arthritis, lupus, and Sjögren's syndrome can cause chronic inflammation affecting the lymph nodes.
* Cancers: While less frequent, swollen lymph nodes can be a sign of lymphoma (cancer of the lymphatic system) or other cancers that have spread (metastasized) to the lymph nodes. This is particularly concerning if the swelling is persistent, painless, and accompanied by other symptoms.
* Medications: Some medications can cause swollen lymph nodes as a side effect.
* Other conditions: Less common causes include sarcoidosis (a condition causing inflammation in various organs), tuberculosis, and cat scratch disease.
Opgezette lymfeklieren? Dít zijn 5 veelvoorkomende (Swollen Lymph Nodes? These are 5 Common Causes)
To reiterate, five common causes of swollen lymph nodes include:
1. Upper respiratory infections (URIs): Colds, the flu, and other respiratory illnesses frequently lead to swollen lymph nodes in the neck and under the jaw.
2. Bacterial infections: Skin infections, strep throat, and other bacterial infections can cause localized lymph node swelling.
3. Viral infections: Mononucleosis ("mono"), chickenpox, and other viral infections often result in swollen lymph nodes, sometimes quite extensively.
4. Dental infections: Infections in the mouth or teeth can cause swelling in the lymph nodes of the neck and jaw.
5. Minor injuries: A small cut or injury can sometimes cause localized lymph node swelling as the body responds to the trauma.
Last van opgezette lymfeklieren? Dít zijn de mogelijke (Experiencing Swollen Lymph Nodes? These are the Possible Causes)
Expanding on the possible causes, it's important to consider the location and characteristics of the swelling. Swollen lymph nodes in the neck might suggest a respiratory infection, while groin swelling could indicate a genital or leg infection. The size, tenderness, and duration of the swelling are also critical factors in determining the underlying cause. Persistent, painless swelling warrants immediate medical attention.
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