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Glam Ledger

What happens if a pet rat bites you?

Author

James Williams

Published Apr 09, 2026

The common symptoms of a rat bite are pain, redness, swelling around the bite and, if secondary infection occurs, a weeping, pus-filled wound. Other rat bite symptoms may include those associated with bacterial infections known as streptobacillary rat bite fever and spirillary rat bite fever.

Subsequently, one may also ask, what happens if rat bites human?

Despite common belief, no rodent bites in North America have ever resulted in the transmission of rabies. However, a person bitten by a rat should seek a medical professional. The common symptoms of a rat bite are pain, redness, swelling around the bite and, if secondary infection occurs, a weeping, pus-filled wound.

Furthermore, can rat bites cause death? Without treatment, rat bite fever can lead to severe complications, including pneumonia, meningitis, infection of the heart (myocarditis, endocarditis) and infection of the blood (sepsis), leading to death in 7-10% of cases. When treated promptly, the prognosis is very good.

Beside above, should I be worried if a rat bites me?

The main concern with a rat bite is an infection called rat-bite fever. It is a bacterial infection that can be fatal without treatment. Signs and symptoms develop anywhere from 3 to 21 days after the bite. Rat-bite fever symptoms include fever, chills, headache, and skin rash.

Can you get sick from a pet rat bite?

Illnesses Caused by Rat Bite If you do get bitten by a rat, the main concern is developing an infection. One such infection is known as rat-bite fever (RBF), which can be transmitted either through an infected rat's bite or scratch or by simply handling a rat with the disease.

Related Question Answers

Is there any injection for rat bite?

Imovax is a vaccine used as a rabies preexposure immunization.

Do rats bite humans in their sleep?

Their bite can easily penetrate flesh and cause puncture wounds. Rats also bite sleeping people, especially children, when food odor is present.

Is rat bite fever curable?

If your provider suspects that you have RBF, he or she will treat you with antibiotics. Antibiotics can be highly effective at curing the disease if treatment is started soon after you become sick.

Which disease is caused by rat bite?

Rat-bite fever is an acute, febrile human illness caused by bacteria transmitted by rodents, in most cases, which is passed from rodent to human by the rodent's urine or mucous secretions.
Rat-bite fever
Specialty Infectious disease

Is rat bite fever rare?

In the United States, rat bite fever (RBF) is typically caused by S. moniliformis. The disease is rare, with only several cases documented each year.

Do rats carry rabies?

Small rodents (like squirrels, hamsters, guinea pigs, gerbils, chipmunks, rats, and mice) and lagomorphs (including rabbits and hares) are almost never found to be infected with rabies and have not been known to transmit rabies to humans.

What does a rat bite look like on a human?

What does a rat bite look like? Rat bites usually look like a small, single puncture wound or a number of small cuts. They also tend to bleed and cause painful swelling. If the bite becomes infected, you might also notice some pus.

What should you do if a rat scratches you?

How are rat bites treated? If you have a rat bite, wash the area with warm water and soap as soon as possible. Dry the area with a clean towel and apply an antibiotic ointment. Cover with a clean bandage.

What will happen if you eat food with rat bite?

Humans exposed to rats carrying rat-bite fever bacteria can get sick even if they aren't bitten. Rat-bite fever causes fever, vomiting, headache, muscle pain, joint pain and rash. Salmonellosis is a bacterial infection that humans can contract after eating food contaminated by rat feces.

Can rats climb walls?

Both rats and mice are good climbers and can climb vertical walls and "shimmy" up between walls and drain pipes. Rats are also excellent swimmers and have been known to enter premises through the water traps of the toilet bowl when infestations occur in the main sewerage system.

What are the symptoms of rat bite fever?

Symptoms and signs of streptobacillary RBF include:
  • Fever.
  • Vomiting.
  • Headache.
  • Muscle pain.
  • Joint pain or swelling (about 5 in 10 people with RBF have this)
  • Rash (occurs in about 3 out of 4 people with RBF)

Are rats scared of humans?

Unless they're domesticated, rats are afraid of humans. But if there is no way to escape, a cornered rat would not hesitate to attack a human. For example, the black rat is capable of jumping 70cm into the air. It can climb on a wall and jump on your face.

How do you tell the difference between a mouse and a rat?

Rats and mice are both rodents, so look similar - the biggest difference is their size. Rats are larger and heavier while mice have smaller slender bodies. Mice also have long slender tails (for their body size) covered in hair compared to rat tails which are shorter, thicker and hairless.

What antibiotics treat rat-bite fever?

Both types of rat-bite fever are treated with antibiotics, such as amoxicillin, penicillin, erythromycin, or doxycycline. If Streptobacillus moniliformis causes endocarditis, high doses of penicillin plus another antibiotic are used.

What are the symptoms of rat disease?

If your kidneys, liver, or heart become infected by Leptospira bacteria, you may experience:
  • nausea.
  • loss of appetite.
  • weight loss.
  • fatigue.
  • swollen ankles, feet, or hands.
  • painful swelling of your liver.
  • decreased urination.
  • shortness of breath.

How do you treat rat-bite fever?

To treat rat-bite fever, the doctor will give your child penicillin G by injection or intravenously for 7 to 10 days. Alternative drugs include ampicillin, cefuroxime, and cefotaxime.

Is rat bite fever contagious?

RBF is not spread from one person to another. RBF can be a serious or even fatal disease. See your doctor right away if you have any of the signs or symptoms of RBF. In addition to RBF, rodents can spread other diseases to people.