What does white mold smell like?

Author: Turner Schroeder  |  Last update: Tuesday, September 23, 2025

Mold will smell musty and stale. But if the mold has been growing in your home for a long time, the smell will be stronger like how sweaty socks or rotten meat smell. You can also buy a home-test kit for molds, but these are not guaranteed to give you accurate measurements of airborne particles.

Does white mold have a smell?

Mold can have a musty, sweet, or earthy smell caused by mVOCs. These compounds can have a negative effect on health, so it's important to address mold if you see, smell, or sense it in your home. With the help of a professional, you can clean it up and create a mold-free, safe home.

Is white mold harmful to humans?

Exposure to white mold can cause issues including allergies, headaches, respiratory infections or distress, dizziness, and nausea. More prolonged exposure poses a more severe risk with issues that may involve depression, memory loss, and anxiety.

What does harmful mold smell like?

Mold is often described as smelling musty. Others have described mold as having an earthy or meaty odor, resembling the smell of wet socks or rotten wood.

Is it safe to sleep in a room with white mold?

Because of the risks that come with mold exposure, it can be unsafe to sleep in a house with mold, particularly in the affected areas because you put yourself at risk of mold allergies. This becomes especially concerning if you are sensitive to the mold.

What are the symptoms of a mold allergy or reaction to exposure?

What are signs of mold sickness?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

Is it bad to sleep in a room that smells like mold?

A: It's not advisable to sleep in a mouldy room. Mould spores can affect your respiratory system, allergies and sleep quality.

How do you know if your room smells like mold?

If you detect a tangy smell in your home, it's likely a sign that mold is actively growing and releasing its volatile compounds into the air. Sour: A sour smell, reminiscent of sour milk or stale sweat, can also be associated with mold. This unpleasant scent is caused by the mold's metabolic byproducts.

Is it bad to breathe in musty smell?

A moldy odor suggests that mold is growing in the building and should be investigated. The health effects of inhaling mVOCs are largely unknown, although exposure to mVOCs has been linked to symptoms such as headaches, nasal irritation, dizziness, fatigue, and nausea.

How long does it take to get sick from white mold exposure?

According to the CDC, people usually experience their first symptoms within 2 to 9 hours of their first exposure. On the other hand, some people could go for weeks or months before feeling sick if their exposure is limited enough. This is why it is also important to check damp, dark areas of your home for mold.

What can be mistaken for mold?

Many confuse mold and mildew, which is not surprising — they have more than a few things in common: Both are types of fungi that no homeowner likes to see in his or her home. Both are keen on forming in moist, warm areas.

How to tell if your house is toxic?

If you suspect your asthma worsens or is more severe than usual, contact your doctor or medical professional.
  1. Bad Smells In The Home. When there's a bad smell in the home, you can tell. ...
  2. Peeling Wallpaper. ...
  3. Spots On The Wall. ...
  4. Bad Allergies Won't Go Away. ...
  5. Visible Mold Growth. ...
  6. Past Water Damage.

Can you live in a house with white mold?

Is white mold dangerous? Many molds can provoke allergic responses in sensitive individuals. No area of significant mold growth within the home should be considered safe. Proper identification of the underlying cause, removal and cleanup should be performed regardless of the color of the mold growth.

What happens if you smell mold but don't see it?

Bottom line: If you can't actually see mold, it's almost never a problem. The musty smell you ask about doesn't necessarily mean there are mold spores present, but can simply indicate you need more ventilation with fresh air.

How do I get rid of white mold?

Some of the easy DIY methods to get rid of white mold are as follows: Bleach it away with a mixture of bleach and water applied with a brush to the affected areas. Mix 1 tablespoon of bleach with 2 cups of water, then use a sponge to wipe the affected area until it is spotless.

What does toxic mold smell like?

Black mold has an infamous, recognizable odor. Detecting this scent could be crucial in identifying a mold problem before it causes too much damage. Experts describe black mold as smelling musty—comparing it to rotting wood or leaves or wet, sweaty socks.

What might a musty smell indicate the presence of?

The top causes of musty odors in bathrooms are from fungal growth. Mold and mildew are types of fungus found in damp spaces, like bathrooms. The constant presence of moisture in bathrooms creates an environment where fungus can thrive.

Why do I randomly smell mold?

Phantosmia (pronounced “fan–TAAZ–mee–uh”) is a condition that causes you to detect smells that aren't actually present in your environment (phantom smells). These odors may be pleasant or unpleasant, occasional or constant. Phantosmia can affect one or both nostrils.

What does mold sickness feel like?

Overview. If you have a mold allergy, your immune system overreacts when you breathe in mold spores. A mold allergy can cause coughing, itchy eyes and other symptoms that make you miserable. In some people, a mold allergy is linked to asthma and exposure causes restricted breathing and other airway symptoms.

How to find source of mold smell in house?

To check your bedrooms for mould, look for visible signs on the walls, in corners, and behind furniture. Also try checking your dirty laundry, looking for leaks around the ceiling, pipes, and radiators, and for damp patches on your soft furnishings.

Can mold behind walls make you sick?

It irritates the nose and throat, which can lead to both sneezing and coughing as your body tries to get rid of the irritant. Inhaling mold spores can also trigger coughing in people with allergies or an asthma attack, for those with asthma.

What are the signs of mold in a bedroom?

11 Signs of Hidden Mold You Should Look Out For
  • Visible Mold Spores. Seeing mold spores in your home is obviously the most noticeable sign of mold infestation. ...
  • Dark Spots on Surfaces. ...
  • Musty, Damp, or Earthy Smell. ...
  • Allergic Reactions. ...
  • Struggle With Respiratory Issues. ...
  • Your HVAC System Smells Weird. ...
  • Warped Walls. ...
  • Dark Tile Grout.

Does opening windows help with mold?

Mould thrives in damp areas such as windows, where there is dust, dirt or organic material, that's why the number one way to reduce mould is to open your windows regularly. By opening the windows at least once a day, this allows the mould spores to escape and lets patches of moisture dry out.

Previous article
Is it safe to use vinegar in a Bosch dishwasher?
Next article
How do you check a washing machine drum?