What viruses cause muscle weakness?
Viral myositis manifests with myalgia, weakness, and, rarely, rhabdomyolysis.
Although virtually any virus can cause an acute myositis, influenza virus and enterovirus are most common in North America and Northern Europe..
Can a viral infection cause muscle weakness?
Infectious or post-infectious reactive myositis can occur during and after some viral infections. Even after the virus has gone, the immune system may cause inflammation in some parts of the body for a few months. Symptoms are similar to those of polymyositis, such as muscle pain and weakness.
What virus causes severe muscle pain?
Acute viral myositis is a rare condition that occurs during the recovery phase of an illness, most commonly influenza. It is characterized by muscle pain and weakness with an isolated laboratory finding of elevated serum creatine kinase (CK).
Why do viral infections cause muscle aches?
Your immune system, not the virus, causes muscle aches and joint pain. During the immune response, white blood cells produce glycoproteins called interleukins. These interleukins cause the symptoms associated with colds, flu, and other bacterial or viral infections.
What viruses cause leg pain?
This muscle-related condition is also known as influenza-associated myositis, viral myositis, and acute myositis. It was first documented in 1905 by Leichtenstern as tender thigh and calf pain, suggested as a complication of influenza.
Can a virus affect your muscles?
Viruses or bacteria may invade muscle tissue directly, or release substances that damage muscle fibers. Common cold and flu viruses, as well as HIV, are just a few of the viruses that can cause myositis.