How to tell if you have hyperthyroidism
Sep 22, 2025
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
To determine whether hyperthyroidism is present, symptoms such as persistent fever and unexplained rapid weight loss may serve as initial indicators. A definitive diagnosis requires medical evaluations including blood tests and imaging studies. A body temperature exceeding 37.3°C for more than three consecutive days, accompanied by chills, headache, or joint pain, may be related to infection, inflammation, or other diseases, and further examinations are needed to identify the underlying cause.
Hyperthyroidism refers to an overactive thyroid gland. To determine whether you have hyperthyroidism, watch for symptoms such as persistent fever and unexplained rapid weight loss. A definitive diagnosis typically requires medical evaluations including routine blood tests, imaging studies, and biochemical marker assessments. If any abnormalities are detected, prompt medical consultation is recommended. Detailed explanations are as follows:
1. Persistent fever: A body temperature exceeding 37.3°C lasting more than three days, accompanied by chills, headache, or joint pain, may be related to infections, inflammation, or other diseases. Further examination is needed to identify the underlying cause.
2. Unexplained rapid weight loss: Losing more than 5% of your original body weight in a short period without intentional dieting or increased physical activity may indicate metabolic disorders, digestive issues, or other medical conditions. The underlying causes should be investigated.
3. Routine blood test: By measuring the number and morphology of white blood cells, red blood cells, and platelets, this test helps identify infections, anemia, or abnormalities in the hematologic system, providing initial clues for symptoms like fever.
4. Imaging studies: Techniques such as ultrasound and CT scans allow visualization of internal organ structures, helping detect tumors, inflammation, or stones, thereby assisting in diagnosing the causes of symptoms like sudden weight loss.
5. Biochemical marker testing: This includes assessments of liver and kidney function, blood glucose, and electrolyte levels, reflecting overall metabolic status and organ function. These tests help identify metabolic disorders or organ damage that may be causing physical abnormalities.
If you experience any of the above symptoms, seek medical attention promptly and follow professional advice regarding necessary tests. Avoid self-diagnosis, which may delay treatment. Test results should be interpreted by qualified healthcare providers, who will develop an individualized treatment plan based on clinical findings.
