Morning stiffness is one of the hallmark symptoms of rheumatoid arthritis.

These are the hallmark symptoms of strep throat.

This complication leads to the hallmark symptom of severe orthostatic headaches.

Agranulocytosis - develops rapidly, sore throat and fever are hallmark symptoms.

Itching (rubbing eyes) is the hallmark symptom of allergic conjunctivitis.

One of the hallmark symptoms I look for is the loss of time.

The hallmark symptom of OSA syndrome in adults is excessive daytime sleepiness.

In some people, the tremors are a hallmark symptom of their Parkinson's disease.

In extreme cases, physical health problems accompany the hallmark symptom of homesickness, which is preoccupying thoughts of home.

The hallmark symptom of heat stroke is a core body temperature above 105 degrees Fahrenheit.