Fever with eye congestion is a disease that causes the body temperature to rise and is accompanied by eye congestion, seen in more serious infections such as hemorrhagic fever, drug rash, acute hemorrhagic conjunctivitis, upper respiratory tract infections, etc. The following diseases can cause fever with eye congestion: 1. The following diseases can cause fever with eye congestion: 1. Measles Measles is an acute respiratory infection caused by the measles virus, which is highly contagious and develops in more than 90% of susceptible people after contact. The main clinical features are fever, cough, runny eyes, conjunctivitis, catarrhal rhinitis, conjunctivitis, oral mucosal spots (Koplik’s spots) and generalized red maculopapular rash. Since the application of live attenuated measles vaccine (measles vaccine) for prevention, the incidence of measles in children has declined significantly, and complications such as pneumonia, otitis media, measles encephalitis, and psychiatric abnormalities, which were common in the past, have also decreased significantly. In recent years, some changes in the epidemiological features, clinical manifestations, and complications of measles have been observed. While the incidence of measles in children has decreased significantly, the incidence in adolescents who have not been immunized or have failed to be immunized continues to increase. 2, drug rash drug eruption (drug eruption, drug dermatitis medicamentosa) is a drug through internal administration, injection, use of suppositories or inhalation and other routes into the body, causing inflammatory reactions of the skin mucosa. Severe cases can involve other systems of the body, and even life-threatening. The incidence of drug rash is between 1% and 3%. Drugs have both a curative effect and may cause a series of adverse reactions. Non-therapeutic reactions caused by drugs are collectively referred to as drug reactions, of which drug rash is only one manifestation. 3, epidemic hemorrhagic conjunctivitis epidemic hemorrhagic conjunctivitis (epidemic hemorrhagic conjunctivirs) for the outbreak of epidemic conjunctivitis, commonly known as red eye, called “Apollo 11 conjunctivitis”. It was first discovered in Ghana, Africa, in 1969, and became widespread in China in 1971. Epidemics have occurred on all continents and most islands around the world. The disease is highly contagious and can become rapidly prevalent over large areas. It is characterized by acute onset, lid conjunctival follicles, and punctate and large subconjunctival hemorrhages. It belongs to the category of “Tian Xing Red Eye” in Chinese medicine. 4, epidemic hemorrhagic fever (epidemic hemorrhagic fever, EHF) also known as renal syndrome hemorrhagic fever (bemorrhagic feverwith renal syndrome, HFRS) is han tan virus (han tan virus) caused by the natural source of acute infectious disease. Rodents are the source of infection, other animals such as dogs, cats, rabbits, hares, etc. can also be the source of infection, China’s main host animal and the source of infection is the black-line gopher, brown house mouse. The virus can invade the human body through a variety of ways, from the respiratory tract, the gastrointestinal tract mucous membrane transmission, but also by contact, mother and child vertical transmission, and may be transmitted by insect vectors. It is widely prevalent in many countries in Asia and Europe, and China is the most infected area.