Can we say that a person is suffering from any particular disease if he/she is experiencing headache?
Headache is a symptom. Signs and symptoms of a disease are related terms but still, there are many differences between the signs and symptoms of a disease. Some of these are:
Signs | Symptoms |
Signs are indicative conditions or factors which the doctor sees. | Symptoms are the conditions and characters which the person feels. |
Signs are objective. They are visible and can be quantified and verified. | Symptoms are subjective. They are not physically visible and can not be verified. |
For example: High temperature, Rapid pulse rate, low blood pressure, wound, etc. are the signs of a disease. | For example: Chills, shivering, nausea, shaking, dizziness, headache, tiredness are the symptoms of the disease. |