The symptoms of autoimmune diseases that many ignore

Os sintomas de doenças autoimunes que muitos ignoram

Unlike many conditions, autoimmune diseases can show signs that are so obvious. They may indicate trouble, but they think it’s okay. Know some of the symptoms you should not ignore.

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08/07/2026
by

Adriano Guerreiro

O CUF health network website revealed that “there are more than 100 types of autoimmune diseases that affect the immune system and can manifest in various ways.” “There are cases where there is an anomaly in which the immune system confuses our cells with invading agents and attacks them instead of protecting them. From these situations, autoimmune diseases may arise that can affect us in different ways”, they continue.

Doctor Tushar Tayal revealed to the website Only My Health some of the symptoms of autoimmune diseases that many people ignore. They end up confusing themselves with other pathologies, and you should have some attention.

Autoimmune disorders: Signs that much ignore

“ As a doctor, I often see patients ignoring the initial symptoms of autoimmune diseases, attributing them only to tiredness or aging,” he said. The delay in diagnosis may also delay the beginning of treatments. Know some of the signs you should be aware of.

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Persistent fatigue

“ Feeling tired after a long day is normal, but persistent fatigue that continues even after a good night’s sleep is not. This type of exhaustion is one of the most common and neglected. This can make even the simplest daily activities seem unbearable and may persist for weeks or months.”

Morning joint stiffness

“ Joint pain may occur for several reasons, but the stiffness that becomes especially noticeable in the morning and lasts more than half an hour deserves some kind of medical attention. According to studies, this symptom is observed in autoimmune diseases, such as rheumatoid arthritis. Joint stiffness, especially when it gets worse in the morning, is another important warning signal that people often ignore.”

Concentration difficulties

“ Many autoimmune diseases can affect cognitive function. People may have difficulty concentrating, forgetting simple things, finding it difficult to focus on work or performing daily tasks.”

Thinner hair

“ Finer hair and increased fall may be another sign of an autoimmune disease. Although hair loss may result from hormonal changes, nutritional deficiencies or emotional stress, autoimmune diseases such as lupus can also contribute to this problem.”

Eyes and dry mouth

“ Many people assume that dry eyes or dry mouth are caused by dehydration, excessive time in front of screens or environmental factors. However, persistent dryness may also indicate an autoimmune condition called Sjögren’s Syndrome, which affects glands that produce tears and saliva.”

Recurring fever

“ Repeated episodes of low fever without an apparent infection may be another worrying sign. As the immune system is constantly being activated due to autoimmune diseases, the body may have mild increases in temperature.”

Skin disorders

“The skin often reflects what is happening inside the body. Pay close attention to unusual skin changes as they can provide valuable clues about the state of your health.”

Sleep

“ Changes in sensitivity, including numbness or tingling in the hands, feet or other parts of the body, should never be ignored. Muscle weakness is another symptom.”

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Adriano Guerreiro

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