What common symptom is associated with measles?

• A. High fever
• B. Red and watery eyes
• C. Severe headaches
• D. Stomach pain

Answer: (B)

The common symptom associated with measles that is most recognized is red and watery eyes, also known as conjunctivitis. This symptom arises due to the body's immune response to the measles virus, which can cause inflammation of the conjunctiva, leading to the characteristic redness and tearing. It is often one of the early signs of measles illness, occurring in conjunction with other symptoms such as a high fever and cough.

In addition to red and watery eyes, measles typically presents with other signs as the infection progresses, including a generalized rash, which further helps in identification of the disease. This ocular symptom is particularly noteworthy and distinct, making it a key part of the clinical picture of measles.

High fever is indeed a symptom of measles, but it is not as uniquely defining as red and watery eyes. Severe headaches and stomach pain may occur but are not typically highlighted as main symptoms associated with measles infection. These symptoms are more general and can relate to a variety of illnesses, which makes them less specific compared to the distinct presentation of red, watery eyes in the context of measles.