These are the little known corona symptoms

These are the little known corona symptomsPatients may suffer from painful rash, loss of sense of smell or conjunctivitis.

Cough, shortness of breath and fever are the broadly known symptoms of coronavirus disease. They provide the first clue that you may be infected. Loss of sense of smell and taste are also among the more commonly cited signs that corona disease may be present.

However, the disease still manifests itself through many, far more unknown symptoms . An infection can also manifest itself as nausea, abdominal pain, vomiting and diarrhea, explains Heinz Burgmann, Professor of Internal Medicine with a focus on infectious diseases at MedUni Vienna , in an interview with futurezone.

Brain inflammation and seizures

If the viruses enter through the nose, they could dock with the olfactory nerves and reach the brain through them. There can be a neurological reaction. "In most cases, sufferers suffer from headaches. But COVID-19, like other viral infections, can also lead to brain inflammation. Epileptic seizures can also occur, and an increased incidence of strokes is also reported. Especially in the elderly, confusion may also occur as a result of the systemic infectious reaction. Your immune system doesn't always develop a fever , but shows neurological symptoms like this, " Burgmann explains . "The virus wants to multiply. For this, it must dock onto cells. We suspect that it often attacks the respiratory tract and lungs first, as the viruses enter the body through droplets. If you breathe it in, the receptors there are the entry point for the virus ", says Burgmann . If the virus does not enter through the respiratory tract but through the eyes, conjunctivitis may also result. This is how the virus could be found in tear fluid. Corona cells are detected.

COVID toe and dying tie

However, symptoms do not always result from the virus itself, but are caused by the immune system's response to the disease. As soon as the virus docks onto a body cell, the immune system becomes active. It begins to fight the foreign body. This triggers a chain reaction in the body that can cause more and more new symptoms.

These are the little-known corona symptoms

Blisters and bruises may be a symptom of coronavirus

© Marta Mendieta-Eckert, et al.

Thus , according to Burgmann , there may be increased skin symptoms such as rashes , pustules and blisters. An example of this is the painful skin change dubbed "COVID toe" by dermatologists. Contrary to what the name suggests, it can also occur on the hands. The abnormalities can manifest themselves as small bruises or chilblains. In a paper, scientists suggest that symptoms may emerge late in the course of the disease, even if it has previously been mild or asymptomatic. Thus, the skin change can be interpreted as an indication of a disease. Another study from Great Britain also describes that in rare cases necrosis, i.e. the death of tie, can occur.

"A viral infection can cause a systemic reaction that affects the entire body. If the disease continues to progress, many organs can be affected, such as the kidneys, the heart and the eyes," Burgmann explains . Every body reacts differently to the virus . If the messenger substances, which are developed by the immune system to fight the virus, do not remain with the affected cell, but enter the bloodstream, they spread throughout the entire body. In addition to the generally known symptoms, this causes many other pains, for example in the joints.

Damage to the heart

Another symptom that is often caused by the infection of the cells is damage to the cardiovascular system. Since the receptors to which the virus attaches are found in the blood vessels, they can be attacked and damaged by the virus. This vasculitis can then spread further, "Inflammation and damage to the heart can occur. This then contributes to the fact that the course of the disease is more severe," says Burgmann . For example, increased blood clotting may occur, which can lead to thrombosis on the one hand, but also to increased bleeding tendency.

Research on COVID-19 is currently ongoing worldwide and new or previously undetected symptoms may be continuously added to their listings by WHO and Agency for Health and Food Safety (AGES). If one notices such symptoms, the AGES recommends to remain at home and to call the health number 1450.

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