The green mould on your bedroom walls is likely a common fungus, such as Cladosporium, Aspergillus, or Penicillium, thriving in a damp, poorly ventilated spot, often due to condensation from cold walls, furniture blocking airflow, or leaks, causing musty smells and potential allergic reactions. It's important to address the moisture source and clean it with solutions like diluted vinegar or bleach (carefully) while improving ventilation with dehumidifiers or fans to prevent its return and protect your health, notes this Reddit thread and the Sleep Foundation.
Condensation
This is arguably the most common reason we find mould making itself known on our bedroom walls – even more so during the colder months. Condensation naturally happens when warm, moist air interacts with a cold surface (e.g. an exterior wall or single-glazed window).
Yes, toxic species of green mold can cause difficulty breathing, watery eyes, swollen throat, coughing, and runny nose. They can even cause severe respiratory problems, cancer, and infections.
“Mold growth in a surface of condensation on painted walls or non-porous surfaces can usually be removed by vacuuming, washing with dilute biocide and detergent, cleaning, thoroughly drying, and repainting.”
Dangers of Mould in Bedrooms
The presence of mould in your bedroom can trigger respiratory issues such as coughing, wheezing, and exacerbate symptoms of asthma. Prolonged exposure to bedroom mould may lead to allergies, skin irritation, and sinus congestion.
What are symptoms and effects of mold exposure?
Left unchecked, mould can impact your health, triggering allergies, nasal congestion and other respiratory symptoms. It can also cause wood to rot, which may compromise certain structures in your home. The good news is that using an air purifier for mould can keep mould from returning.
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.
Without proper ventilation, moisture lingers in the air, creating the perfect conditions for mold to flourish. Inadequate ventilation prevents moisture from escaping, leading to persistent mold problems, especially in enclosed spaces. Mold thrives in environments where humidity levels exceed 60%.
Professional mold removal involves specialized equipment and processes that a trained technician or contractor can use. This could include containment barriers and vacuums equipped with HEPA filters to prevent spores from spreading throughout your home.
Symptoms of green mold exposure include sneezing, skin rashes, itchy eyes, and throat irritation. In some cases, green mold can produce mycotoxins, which can lead to more severe health problems similar to those caused by black mold. Green mold is more likely to grow on food like bread and fruits.
The respiratory effects of damp and mould can cause serious illness and, in the most severe cases, death. The respiratory effects include: general symptoms such as cough, wheeze and shortness of breath. increased risk of airway infections, including aspergillosis (an infection of the airways with the fungus Aspergillus ...
Heating can help prevent the growth of mould, but it is not always effective on its own. Mould thrives in moist and humid environments, so reducing excess moisture is typically the most effective way to prevent mould growth.
Inside HVAC systems: mold growth in ducts or air handlers can spread quickly throughout an entire home. While spores may begin developing within 24-48 hours of moisture exposure, you may not notice the problem for weeks until odors or health symptoms appear.
According to Bolius , it is recommended to air out the bedroom at least 2-3 times a day for 5-10 minutes at a time. This helps create a good air exchange and ensures that the air in the room is fresh and healthy.
Mold toxicity warning signs often include persistent fatigue, brain fog (memory/focus issues), chronic sinus/respiratory problems (cough, congestion, wheezing), digestive issues (bloating, IBS-like symptoms), mood changes (anxiety, depression), neurological symptoms (numbness, dizziness, ringing in ears), skin issues (rashes, itching), and inflammation-related pain (joint/muscle aches, night sweats), with symptoms often improving away from home and worsening upon return, indicating an environmental link.
Scrub mold off hard surfaces with detergent and water, and dry completely. Absorbent or porous materials, such as ceiling tiles and carpet, may have to be thrown away if they become moldy.
Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals. Allergic responses include hay fever-type symptoms, such as sneezing, runny nose, red eyes, and skin rash (dermatitis). Allergic reactions to mold are common. They can be immediate or delayed.
Here are 11 signs that may indicate the growth of hidden mold inside your home:
Mold is a living organism, and painting over mold just hides the issue without stopping the growth underneath. In fact, it often makes things worse by trapping moisture, creating the perfect environment for mold to spread. Paint is porous, allowing mold spores and fungal growth to continue thriving.
Suretherm Anti Condensation Paint is an internal water-based emulsion that is specifically designed to help deal with internal mould and damp caused by condensation. It significantly reduces condensation by absorbing any heat that would ordinarily escape through the wall, thanks to its glass microsphere technology.
Vinegar: Vinegar is an effective natural cleaner that can help kill mold spores. Mix equal parts vinegar and water in a spray bottle and spray it in the air to help kill mold spores. Hydrogen peroxide: Hydrogen peroxide is a natural disinfectant that can help kill mold spores.
Sleeping with mould in the bedroom is particularly harmful as you will be exposed to it for long periods of time on a regular basis and will likely be inhaling lots of spores. The harmful fungus can also damage your property and possessions if left unchecked.
But while dehumidifiers may be slightly better for dealing with mould by getting rid of the humidity it needs to grow, air purifiers are also useful for preventing allergic reactions to mould spores. Overall, if you have a mould problem at home, both of these two machines in tandem will make the most difference.