Symptoms of Rabies
Symptoms of Rabies
The list of signs and symptoms mentioned in various sources
for Rabies includes the 65
symptoms listed below:
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Rabies: Undiagnosed Conditions
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The list of other diseases or medical conditions
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for Rabies includes:
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Other Possible Causes of these Symptoms
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of other causes including diseases, medical conditions, toxins, drug interactions,
or drug side effect causes of that symptom.
Article Excerpts About Symptoms of Rabies:
Rabies, NIAID Fact Sheet: NIAID (Excerpt)
The doctor will suspect rabies
if someone has symptoms such as:
- A short period of mental depression,
- Abnormal sensations such as itching around the site of the
- Sore throat, or
- Loss of appetite.
Other early symptoms include:
- Stiff muscles,
- Dilation (enlargement) of pupils of the eye,
- Increased production of saliva, and
- Unusual sensitivity to sound, light, and changes of
If the disease has progressed, a person will
have episodes of irrational excitement which alternate with periods
of alert calm. Convulsions are common. Most dramatic of all are the
severe and extremely painful throat spasms suffered by the person
when trying to swallow – or even upon seeing – liquids. This
reaction to water, sometimes seen as a fear of it, is typical in
people with rabies and gives the disease its medical name,
A person usually dies from cardiac or
respiratory failure within a week after the appearance of rabies
symptoms, while the excited state is most prominent. If the patient
survives this stage, muscle spasms and agitation stop, only to be
replaced by a growing paralysis leading to death.
rabies resulting from the bite of a rabid vampire bat, excitement
and hydrophobia are usually not present and paralysis usually starts
in the legs and moves upward.
Once symptoms appear, the only
treatment is strong support to help the person feel more
comfortable. This support includes controlling the symptoms in the
respiratory, circulatory, and central nervous systems.
People do not recover and eventually die from the infection.
(Source: excerpt from Rabies, NIAID Fact Sheet: NIAID
Rabies, NIAID Fact Sheet: NIAID (Excerpt)
Early signs of rabies in animals include a
change in behavior, fever, loss of appetite, and often, a change in
phonation, such as a change in tone of a dog's bark. These signs are
often slight, however, and people may not notice them. A few days
after infection, the animal may be very restlessness and become very
agitated and tremble. An affected dog may growl and bark constantly,
and will viciously attack any moving object, person, or animal it
comes across. This excited state usually lasts three to seven days,
and is followed by convulsions and paralysis.
instances, signs of excitement and irritability are slight or
absent, and paralysis develops within a few days of disease onset.
In cases of this type, an early sign is often paralysis of the lower
jaw, accompanied by increased drooling and foaming of saliva. The
animal may appear to be choking on a foreign object. This is a
dangerous trap for humans, who, in trying to help the animal, may
expose themselves to infection without knowing it.
(Source: excerpt from Rabies, NIAID Fact Sheet: NIAID)
Rabies as a Cause of Symptoms or Medical Conditions
When considering symptoms of Rabies, it is also important to consider Rabies as a possible cause of other medical conditions.
The Disease Database lists the following medical conditions that Rabies may cause:
- (Source - Diseases Database)
Rabies: Onset and Incubation
Incubation period for Rabies: Typically 30-50 days after exposure; as fast as 14 days for a severe bite or multiple bites; a year or longer is rare but possible.
Incubation period for Rabies: When symptoms do appear, it is usually 30 to 50 days following
exposure. There is a direct relationship between how severe the bite
is and where on the body the person bitten and how long it takes for
symptoms to appear. For example, if a person's head is severely
bitten, symptoms may show up in as few as 14 days. Under rare
conditions, a person may not have symptoms for a year or longer
after exposure to the virus. (Source: excerpt from Rabies, NIAID Fact Sheet: NIAID)
Medical articles and books on symptoms:
These general reference articles may be of interest
in relation to medical signs and symptoms of disease in general:
Full list of premium articles on symptoms and diagnosis
About signs and symptoms of Rabies:
The symptom information on this page
attempts to provide a list of some possible signs and symptoms of Rabies.
This signs and symptoms information for Rabies has been gathered from various sources,
may not be fully accurate,
and may not be the full list of Rabies signs or Rabies symptoms.
Furthermore, signs and symptoms of Rabies may vary on an individual basis for each patient.
Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they
are indeed Rabies symptoms.
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