When some viruses or bacteria want to attack your organism, lymph nodes develop special compounds which may fight theses enemies. However, when you’re fighting against an infection or sickness, your lymph nodes may get sick too, then they are swollen and painful.
The inflammation of lymph nodes is actually known as lymphadenitis. If it’s mild, some over-the-counter painkillers and warm compresses will be just enough to cure it. However, in case you don’t see any improvement after a few days, go to see you doctor, who will probably prescribe you some antibiotics. In rare cases lymphadenitis may be a sign of a cancerous tumor, thus, never ignore it.
6. Hidradenitis Suppurativa
A troublesome skin condition known as hidradenitis suppurativa may be the cause of pain in the left armpit. If you suffer from this condition you will experience painful lumps under your armpits. Other body parts which are often affected with the disease are groin and buttocks as it usually attacks areas where skin rubs together.
Hidradenitis suppurativa occurs as a result of blockage and inflammation of hair follicles. Unfortunately, the exact cause of the blockage hasn’t been clearly identified yet. The doctors, however, relate it with genetics, hormonal imbalance, metabolic syndrome, obesity, smoking cigarettes, or problems with your immune system.
The lumps which appear in the skin have the size of a pea, are usually reddish and have black heads. After some time they break, releasing a smelly substance and you can observe a tunnel under your skin. You should never leave hidradenitis suppurativa untreated as it may lead to scars, infections, or even cancer.
If you consult your doctor in the early stage of the disease, you will be able to deal with it quickly and without any complications.
7. Brachial Plexus Injury
If you do contact sports or if you experienced some sudden and serious fall, there is a possibility that you got an injury of a brachial plexus. It consists of nerves that start in your spinal cord, extend to your neck, over your firs rib, and end in your armpit.
A brachial plexus injury may result in the left armpit pain. Problems with this part of your body may also relate to various nerves disorders, which may occur as a consequence of dysfunction or neuropathy.
For sure you suffer from heartburn or acid reflux from time to time. It’s an annoying, burning sensation in our stomach or chest area. However, quite surprisingly, it can also radiate to the armpit.
If it’s the heartburn that is the culprit of pain in your left armpit, you will probably feel it stronger when you lie down or bend over. It’s also more troublesome just after eating a heavy meal or at night. It usually lasts a few minutes only.
If heartburn happens just occasionally, you probably just have to pay attention to the food you eat and identify what food products may cause it. If it happens often, you can try some home-remedies, like eating mustard, or consult your doctor who will prescribe you medicines to regulate the acid formation in the stomach.
Sporotrichosis, also called a rose handler’s disease, can also result in pain in the left armpit. It’s a kind of fungus infection common among people who work with soil and vegetation. Therefore, it’s a condition of farmers and gardeners and this is where it has its name.
The type of fungus which causes the disease comes from mold and yeasts, which enter your skin. You must be aware, though, that once you get infected, the condition can develop after a few months. The main symptom is a small bump on the skin, often under the left armpit. First it’s just a mild change, but after a few months it can look like an open wound.
It’s a potentially life-threatening condition which, if left untreated, will spread to other parts of the body or even lungs, joints, and brain.
10. Peripheral Artery Disease
In this circulatory disease your blood doesn’t flow through you arteries in legs or arms as it should because they are narrowed. It’s quite a common condition, which may cause pain in one or both armpits.
A peripheral artery disease usually appears as a result of another condition, which is known as atherosclerosis. It happens when too much of fat clogs your artery walls. There are cases when it’s a matter of genetics that people get it. Unfortunately, in most cases an unhealthy lifestyle is to blame as it’s a condition of smokers and obese people.
If you know that you’ve been suffering from atherosclerosis and, apart from pain in your armpits, you’ve also observed numbness or weakness, or that your arm or leg has a slightly different color, consult your doctor immediately.
It’s a viral infection, caused by a virus known as varicella-zoster. This virus causes chickenpox too. It can attack almost any part of your body, but it often appears in the armpit.