Does rabies cause nosebleeds?

Written by Xiong Hong Hai
Infectious Disease
Updated on September 27, 2024
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Rabies does not necessarily present with nosebleeds. The more typical symptoms of rabies are episodes of panic, along with distinct fears and agitation towards water, light, and wind. In the late stages of rabies, there often occurs paralysis of the respiratory muscles, ultimately leading to death by suffocation. Rabies is a fatal disease; once symptoms develop following infection, it leads to a 100% fatality rate, with no treatment strategies available. Therefore, prevention of rabies is absolutely 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.

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Written by Xiong Hong Hai
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How long is the longest incubation period for rabies?

The incubation period of rabies is generally between one to three months, and it is rare for the disease to have incubation period longer than a year. Most cases usually fall within one to three months, according to the 2016 Rabies Prevention Guide. The longest recorded incubation period for rabies mentioned in the guide was six years, but such cases are extremely rare. Therefore, if a person is bitten by a dog and does not develop the disease within a year, it is generally considered that they were not infected with rabies at the time of the bite. Rabies is a fatal disease, with a 100% fatality rate upon infection, so prevention is crucial.

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Symptoms of the incubation period of rabies

Rabies has no obvious symptoms during the incubation period. Some people might feel as if ants are biting at the wound site, while others may display symptoms of fatigue and lack of energy; however, the vast majority of people do not show any clear characteristic symptoms. The incubation period for rabies can range from one to three months, and it is rare for it to extend beyond one year. The duration of the incubation period is highly dependent on the location of the bite; the farther from the head, the longer the incubation period. Conversely, the closer to the head and face, the shorter the incubation period.

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Infectious Disease
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Does rabies spread through saliva?

Rabies is primarily transmitted through saliva. The rabies virus is likely to be present in the saliva of dogs or cats during the symptomatic phase. Dogs or cats carrying the rabies virus have a high concentration of the virus in their saliva during this phase. If bitten by an animal in this stage, there is a significant risk of infection. Prevention measures should be based on the actual situation, including vaccination against rabies and local administration of rabies immunoglobulin at the wound site. Rabies is a fatal disease with no treatment available, but it is preventable.

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

Rabies generally does not cause severe coughing, but in the late stages of the disease, coughing can occur. Eventually, due to spasms and paralysis of the respiratory muscles, some sputum cannot be expelled, which stimulates the respiratory tract to produce more secretions, possibly leading to frequent coughing. The main symptoms of rabies are a distinct fear and restlessness towards water, light, and wind. Rabies ultimately leads to death due to respiratory muscle failure and paralysis of the respiratory system.