Muscle and joint pain can be caused by various conditions, including the flu, lupus, arthritis, hyperthyroidism, and fibromyalgia. The flu virus triggers the body’s production of interleukins, causing muscle and joint pain. Lupus patients have antibodies that attack normal body tissues, causing pain. Rheumatoid arthritis causes joint inflammation and muscle pain. Fibromyalgia causes muscle stiffness and tenderness. Other medical reasons for simultaneous muscle and joint pain may be unrelated, such as torn muscles and gout.
Muscle and joint pain can be caused by a variety of conditions. The simultaneous experience of these symptoms is commonly attributed to a bout of the flu or any other common viral or bacterial infection. More serious medical conditions can also be responsible for causing muscle and joint pain in patients. These are systemic lupus erythematosus (SLE), commonly referred to as lupus, arthritis, hyperthyroidism, and fibromyalgia. Additionally, there are several unrelated conditions that a person can suffer from simultaneously that can cause muscle and joint pain.
The flu is one of the most common conditions associated with simultaneous muscle and joint pain. Actually, the flu virus itself is not responsible for the aches and pains associated with the flu. Rather, proteins called interleukins, made by the body to fight infection, are responsible for the muscle and joint pain experienced by those suffering from a flu infection. The influenza virus isn’t the only infection that catalyzes the body’s production of interleukins. Any type of viral or bacterial infection can cause the body to mobilize interleukins in defense, resulting in muscle and joint pain.
Another common cause of muscle and joint pain is the medical condition known as lupus. Lupus patients do not have a properly functioning immune system. Their bodies make antibodies, which are a class of proteins made by the body to ward off infections, even in the absence of any viral or bacterial threat. Without a viral or bacterial target, these antibodies begin attacking normal body tissues, causing muscle and joint pain, as well as a host of other symptoms.
It is especially common for rheumatoid arthritis sufferers to experience pain in their joints and muscles. Rheumatoid arthritis is an autoimmune disease in which a person’s joints become swollen. This inflammation causes pain in the joints, and swelling in the joints often causes swelling in adjacent muscle groups. Inflammation of the muscles causes the muscle pain associated with this disorder.
Fibromyalgia refers to a long-term condition characterized by stiffness and pain in the muscles. Generally, doctors consider this disease to be a musculoskeletal disorder that causes tenderness in the muscles. In most cases, the pain spreads to the rest of the body, which is why sufferers may report feeling pain in their joints and muscles. Muscle tenderness can also be caused by hyperthyroidism, a condition in which the thyroid gland produces too much hormones. These hormones can weaken muscles and increase joint pain.
There are several medical reasons for experiencing muscle pain and joint pain simultaneously that may be completely unrelated. For example, a person may have torn their muscles and are experiencing pain associated with the injury. At the same time, this same person may also be suffering from joint pain associated with a medical condition known as gout, which causes painful inflammation in the joints.
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