Moulds can thrive in dirty carpets and attract bacteria and allergens. When inhaled, it can result to flu-like symptoms and other respiratory problems.
Dust mites thrive on bacteria and fungi, making dirty carpets the perfect breeding ground for them. When dust mites die and their carcasses remain on the carpets of the fiber, they can cause nose and eye irritation as well as rashes.
Dirty carpets can also trigger asthma attacks. Asthmatic patients usually have a negative reaction when exposed to environmental triggers like bacteria and toxins found in carpets.