What are the symptoms of rabies?

Written by Xiong Hong Hai
Infectious Disease
Updated on May 17, 2025
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The symptoms of rabies can include fever, general discomfort, muscle soreness, fatigue, and headaches, which are typical preclinical symptoms. Subsequently, numbness, pain, and itching at the site of the bite may occur. This is followed by a series of related neurological symptoms, such as hydrophobia and aerophobia, where even the sight or mention of water can trigger involuntary spasms in the throat muscles and difficulty swallowing. There is also extreme sensitivity and fear of bright lights and noises, agitation, eventually leading to coma and death.

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Written by Xiong Hong Hai
Infectious Disease
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How long does rabies take to develop?

The incubation period for rabies generally ranges from one to three months, rarely exceeding one year, with the shortest onset at five days and the longest around six years. Actually, the duration of the incubation period is related to the location of the bite; the further from the head, the longer the incubation period. If the wound from the bite is superficial and contains fewer rabies viruses, then the incubation period will also be longer. Conversely, if there is a larger amount of rabies virus and the wound is deeper, the incubation period will be shorter. Rabies is a fatal disease, with a 100% mortality rate once infected.

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Written by Xiong Hong Hai
Infectious Disease
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Rabies: Hazards and Prevention

Rabies is a fatal disease, with a 100% mortality rate upon infection. Therefore, rabies is extremely dangerous. In terms of prevention and control of rabies, prevention is the only option. By strengthening prevention, the incidence of rabies can be reduced. For the prevention of rabies, it is necessary to routinely administer rabies vaccinations to animals such as dogs and cats. Individuals who frequently come into contact with dogs, cats, bats, and other animals should receive preventive rabies vaccinations.

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Written by Xiong Hong Hai
Infectious Disease
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Does rabies cause fever?

Rabies can also cause fever when it occurs. During the prodromal period, it typically presents as a low fever and is often accompanied by marked fear of water, light, and wind. It can cause throat spasms and severe agitation. Rabies is a fatal disease with a 100% fatality rate once contracted. Therefore, it is crucial to take preventive measures against rabies, and professional quarantine and symptomatic treatment are required once the disease manifests.

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Written by Xiong Hong Hai
Infectious Disease
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Is rabies contagious?

Rabies is a contagious disease, and currently, rabies is primarily transmitted by bites or scratches from rabid dogs. Additionally, there are risks of infection from bites by cats during their symptomatic phase, as well as from bats. Transmission from human to human is extremely rare. The rabies virus mainly resides in the saliva of dogs or cats during their symptomatic phase. Therefore, the risk is significant if bitten by a rabid dog. Rabies is a fatal disease, with an infection leading to 100% mortality, which makes prevention crucial.

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Written by Xiong Hong Hai
Infectious Disease
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Rabies fear of water refers to hydrophobia, a symptom of rabies characterized by a fear or panic attack when attempting to drink water or when presented with liquids.

Patients with rabies are indeed very afraid of water. When trying to drink water, or even when seeing water or hearing the word "water," they experience uncontrollable spasms in the throat muscles and difficulty swallowing. Although they are very thirsty, they dare not drink water. In addition to being afraid of water, they are also afraid of bright lights, noise, and wind. These stimuli can cause whole-body spasms and pain, lead to opisthotonos, excessive nervous excitement, and eventually result in death due to coma.