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Can bats in your house make you sick?

Author

William Rodriguez

Published Jan 24, 2026

Bats are frequent visitors in both old and new houses. They are small, harmless mammals that do not cause any damage within your house.

Can you get sick from bats in your house?

Can You Get Sick From Bats In Attic? Other than damaging your attic and making a lot of noise, bats can make you get sick. Their droppings, guano, contain a fungus known as Histoplasma capsulatum which is detrimental to people's health.

Can you get sick from bat poop?

Histoplasmosis is a disease associated with the droppings of bats known as guano. The disease primarily affects the lungs and can be life-threatening, particularly to those with a weakened immune system. It is transmitted when a person inhales spores from fungus that grow on bird and bat droppings.

Can bats cause health problems?

Bats are associated with a few diseases that affect people, such as rabies and histoplasmosis. Rabies is a dangerous, fatal disease, but only about 5 percent of bats submitted for testing are infected with the rabies virus.

Can you get sick from bat urine?

Leptospirosis occurs most commonly in people who are exposed to the bacteria during their work, for example farmers, veterinarians and meat workers. The most effective way to avoid getting leptospirosis from bats is to prevent bat urine from coming into contact with broken skin or your eyes, nose or mouth.

29 related questions found

How do you clean up a bat in the house?

Remove and throw out porous materials that have become contaminated. Clean the affected areas using a non-ammonia soap or detergent. Thoroughly scrub the affected areas and rinse with clean water. Disinfect the area with a solution of household bleach (¼ cup bleach per gallon of water).

How do you get rid of a bat in the house?

When you are in range, you can place a trash can over them on the floor or on the wall. Then slide a piece of cardboard or a magazine under the can so the bat is trapped. You can safely walk the bat outside and gently place it on the ground. Tip the can over and watch the bat crawl or fly away.

What are the signs and symptoms of histoplasmosis?

Symptoms of Histoplasmosis

  • Fever.
  • Cough.
  • Fatigue (extreme tiredness)
  • Chills.
  • Headache.
  • Chest pain.
  • Body aches.

How do I get rid of bats in my walls?

The Five Ways of Getting Bats Out of a Wall

  1. 1 – Repellents. Ammonia, mothballs, spicy sauce, chili sauce or powder, black pepper, lemon and other citrus fruits, high-pitched sound devices … ...
  2. 2 – Turning on the lights. ...
  3. 3 – Attempting net removal. ...
  4. 4 – Professional bat removal. ...
  5. 5 – Cutting out the wall.

Can you smell bat poop?

Bat excrement produces an unpleasant odor as it decomposes in attics, wall spaces, and other voids. The pungent, musty, acrid odor can often be detected from outside a building containing a large or long-term colony. Similar odor problems occur when animals die in inaccessible locations.

Do bats in attic smell?

Strong ammonia odor

Ammonia from bat urine emits a very strong odor once there's an infestation, and it smells just like a urine-soaked cat litter box. In some cases, urine trails can be seen on the walls or rafters in the attic.

What are the symptoms of psittacosis in humans?

In humans, the symptoms are fever, headache, chills, muscle pains, cough, and sometimes breathing difficulty or pneumonia. If left untreated, the disease can be severe, and even result in death, especially in older people. Some people may only experience mild flu-like illness, or have no illness at all.

How do you clean an attic after bats?

How to clean bat guano in the attic

  1. Wear personal protective equipment.
  2. Double-check that all bats are excluded.
  3. Pre-treat droppings.
  4. Use vacuum cleaner to remove scattered poop.
  5. Use hazardous waste bags.
  6. Replace soiled insulation.
  7. Scrub surfaces with an enzyme-based cleaner.
  8. Fog the contaminated area.

Is it safe to stay in a house with bats?

While bats themselves can often carry diseases like rabies, the most dangerous risks from having bats in your home come from their droppings, which can host a wide variety of dangerous (and even deadly) diseases and parasites.

Is it safe to live in a house with bats in the attic?

Is It Dangerous to Have Bats in Your Attic? Bats in themselves are pretty harmless, gentle creatures, but you still don't want them in your home. Bats can expose humans and animals to potentially life-threatening diseases, including rabies. In addition, bat droppings can also be extremely dangerous to humans and pets.

Can bats chew through walls?

However much you may have heard through various sources the fact remains that, bats can chew absolutely nothing as in they do not chew through walls, wood, wires, or any other related building materials similar to rodents and mice do.

Does one bat in the house mean more?

One random bat in the house doesn't always mean anything. Most of the people that call us have had at least two or three instances of bats in the house over the last few years though. Multiple bats in your house is a very strong indication of an infestation. Most bat colonies found in houses are maternal colonies.

Do bats build nests in houses?

They don't build nests, they don't lay eggs, and they establish their homes in places humans don't typically frequent.

Can bats chew through drywall?

Some bats have pretty strong teeth, but they're not for chewing through drywall or anything like that. Instead, they're perfect for clamping down and breaking through the hard shells of beetles and other bugs.

How does a person get histoplasmosis?

The disease is acquired by inhaling the spore stage of the fungus. Outbreaks may occur in groups with common exposures to bird or bat droppings or recently disturbed, contaminated soil found in chicken coops, caves, etc. Person-to-person spread of histoplasmosis does not occur.

How do you know if you have disseminated histoplasmosis?

Tests used to diagnose disseminated histoplasmosis may include: Abdominal CT scan. Abdominal ultrasound. Biopsy or culture of affected organs, bone marrow, liver, lymph node, lung, or skin.

Can you have histoplasmosis and not know it?

Most people with histoplasmosis never develop symptoms and aren't aware they're infected. But for some people — mainly infants and those with weakened immune systems — histoplasmosis can be serious. Treatments are available for even the most severe forms of histoplasmosis.

How long will a bat hide in my house?

If there is no food or water, a bat trapped in a house will die within 24 hours. Even after it is dead, you should not touch or go near the bat. Some animals seem scarier than they are, but bats are every bit as dangerous as they seem.

Is bat entering the house omen?

One very widespread myth about bats in houses, however, has nothing to do with bad–or good–omens. There is a persistent belief that bats enter your house to steal food.

What smell will keep bats away?

Bats don't like the smell of mothballs, white phenol, cinnamon, or eucalyptus. Install bright lights to help deter them. Bats also don't like objects that reflect light, so you can hang strips of aluminum foil, mirrors, mylar balloons, or even old CDs.