How long after being exposed to mold do you get sick?

Author: Brenna Bode IV  |  Last update: Friday, July 10, 2026

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.

How quickly can mold make you sick?

In some cases, people may experience symptoms of mold sickness immediately after exposure, while others may not notice any effects for weeks or even months.

What is the first symptom of mold exposure?

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.

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.

How to test if mold is making you sick?

A blood test, sometimes called the radioallergosorbent test, can measure your immune system's response to mold by measuring the amount of certain antibodies in your bloodstream known as immunoglobulin E (IgE) antibodies.

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

What kills mold in the body?

Activated Charcoal: Absorbs toxins, potentially helping to clear mold spores from your system. Take it in capsule form to absorb toxins. It's best used under medical supervision, especially after known mold exposure.

How to tell if mold is behind walls?

How to Detect Mold in Walls
  1. Water stains.
  2. Dark rings.
  3. Discoloration.
  4. Deterioration like peeling, bubbling, or cracking of the paint or wallpaper.

What happens if you breathe in mold for a long time?

Chronic Fatigue: Mold forces your body to work harder, leading to persistent fatigue, especially in those with pre-existing conditions. Lung Issues: Prolonged exposure can cause lasting damage to lung function.

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.

Is it safe to sleep in a room with mold on the wall?

A: Sleeping in a mouldy room is not advisable. Mould can release spores that, when inhaled during sleep, may lead to respiratory issues and allergies. These can disrupt your sleep and harm your overall health.

What does a mold cough sound like?

The cough is typically dry and non-productive, meaning it doesn't bring up mucus. It is sometimes described as having a "barking" or "hacking" sound.

Can you get sick from mold without seeing it?

Can hidden mold make you sick? Yes, inhaling invisible spores caused by hidden mold can cause health complications, especially for immunocompromised individuals, young children, and the elderly. It can cause allergic reactions and respiratory problems in the long run.

What does black mold smell like?

Toxic black mold growth has a more potent and identifiable smell, like the smell of decay, wet soil, or rot. Visually, it may be greenish-black, grayish-black, slimy, or more furry than other forms of mold or mildew.

What are the 10 warning signs of mold toxicity?

However, some common signs that may indicate mold exposure include: Coughing, wheezing, shortness of breath, nasal congestion, and frequent sinus infections. Rashes, itching, burning sensations, and persistent skin irritation.

Can mold grow in your lungs?

When mold spores are inhaled, immune system cells surround and destroy them. But people who have a weakened immune system from illness or immunosuppressant medications have fewer infection-fighting cells. This allows aspergillus to take hold, invading the lungs and, in the most serious cases, other parts of the body.

Can you recover from mold exposure?

Yes, you can recover from mold exposure. Once removed from the moldy environment and after receiving appropriate treatment, symptoms usually improve. However, prompt medical intervention is vital, as prolonged exposure can lead to chronic respiratory issues or more severe health complications.

How do you test if your house is making you sick?

Home Air Quality Monitor

If you want to monitor your indoor air quality proactively, you can invest in an air quality monitor. This will help you test if your house is making you sick. These devices constantly check the indoor air quality and provide feedback about the levels of different pollutants.

What are the symptoms of bad indoor air?

Symptoms caused by biological pollutants include sneezing, eye irritation, coughing, dizziness, and respiratory infections.

How long does it take for mold to harm you?

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.

How to clear lungs from mold exposure?

Treatment typically involves a person taking an antifungal medication, such as voriconazole. However, the type of medication a doctor prescribes may depend on the type of Aspergillus mold causing the condition because some species are resistant to certain antifungal medications.

Can you go to urgent care for mold exposure?

Once the source of mold is uncovered and cleaned, you should seek medical treatment– whether or not you have begun to develop symptoms. If your symptoms are mild to moderate, visiting an urgent care center is a great option to receive same-day diagnosis and care.

How to tell if mold is making you sick?

Signs and symptoms of allergic rhinitis caused by a mold allergy can include:
  • Sneezing.
  • Runny or stuffy nose.
  • Cough and postnasal drip.
  • Itchy eyes, nose and throat.
  • Watery eyes.
  • Dry, scaly skin.

How do I permanently get rid of mold in my house?

Spray the area with a mixture of water and vinegar - half water, half vinegar. Next, scrub to remove all traces of the mold. For removal of black and white mold, spray the area with the half water and half vinegar solution.

Does mold behind drywall smell?

A musty odor after water damage or a leak is an easy tell that you may have mold behind your drywall.

Previous article
How deep should tomatoes be planted?
Next article
How do you unclog a heat pump?