Please how can one differentiate between a normal and swollen lymph node of the neck, armpit and groin. How is this treated?

See details. Normal lymph nodes are small and very difficult to feel. Swollen nodes may be significantly larger and may be tender.
Simple answer. Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" the lymph for anything bad like bacteria/viruses/cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. They shrink when all is well.

Related Questions

For the past 3 weeks I have had a swollen lymph node on the back and side of my neck and now feel one in my groin area. Should I be worried?

Would not be worried. However, these need to be checked out by a physician and in the context of your medical history and a full medical exam. Go ahead and schedule an appointment. Enlarged lymph nodes are usually a sign of transient infection. They can rarely be an early sign of cancer, which needs to be diagnosed as early as possible. Read more...

Low lymph and high eos include swollen lymph nodes in neck armpit and groin?

Actual number? It depends on how low the lymph is and how high the eos count is. A viral infection can cause low lymph whereas allergic reactions can cause high eos. This figure may also be a reflection of the total WBC. For example , if the WBC is 20% below average, then a 20% rise in eos may well be normal. You need to see your doctor about this condition. Read more...

I'm 17, and a few days ago saw/felt a swollen lymph node in my neck. Today I realized that my armpit and groin had swollen lymph noded as well.

Possibly viral. if you have other symptoms such as fever , aches, malaise. Check with a private doctor to have definitive tests, especially if you noted enlarged nodes suddendly without any associated pain, tenderness or apparent illness. The cause need to be known because most causes are treatable. In your age, mononucleosis is prime suspect but you need to be seen. Read more...

Swollen lymph nodes in groin armpit and neck allare under a CM in diameter. Also all have been examined by doctor they are very movable. Should I worry?

Maybe. It could be a viral illness or worst case lymphoma. Small possibility it is benign, as long as your doctor is following you he will decide if you need further work up with biopsy. Read more...
No, don't worry! Lymph nodes are present in everyone, and they are normally under one centimeter in size and moveable. In young people like you, they are often more easily felt. This can be because you're thinner, and because your immune system is more active. So don't worry! the picture shows lymph vessels and lymph nodes in green. Read more...
Worry enough. To have followup and biopsy if changing or enlarging. Small palpable, mobile, non tender nodes are not uncommon, and easy to feel in thin youths. Read more...

I have a extremely small bump on my testicle. I have swollen lymph nodes in my neck, jaw, groin and armpit. Do I have cancer I'm really worried?

Medical checkup reco. You need a medical examination to help you find out what all your symptoms are due to. The size of the lymph nodes matters in assessing seriousness of your condition. if the nodes are >1cm, get checked up right away and find out the cause. There are causes other than cancer which can lead to enlarged lymph nodes. Read more...