and in building structures. Harmful Effects of Dampness Dampness is the presence of hygroscopic or gravitational moisture. Mold allergy. So it is very important to make a building damp … presence of mould and measures to control their growth indoors. No amount of antibacterial cleaning products can compensate for a damp house. Therefore, any area in your home where there is a lot of moisture such as in a bathroom, laundry room, or kitchen can potentially be exposed to mold growth. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. The National Institute for Occupational Safety and Health (NIOSH) requests assistance in preventing respiratory symptoms and disease from working in or occupying damp office buildings, schools, and other nonindustrial buildings. Research studies report that finding and correcting sources of dampness is a more effective way to prevent health problems than counting indoor microbes. CDC twenty four seven. Signs and symptoms of asthma include: If you have a stuffy nose, sneezing, watery eyes, shortness of breath, wheezing or other bothersome symptoms that persist, see your doctor. WHO guidelines Mold allergy. Moisture can also attract cockroaches, rodents, and dust mites. When you inhale tiny, airborne mold spores, your body recognizes them as foreign invaders and develops allergy-causing antibodies to fight them. Dampness causes the following harmful effects. Excessive moisture in the air (i.e., high relative humidity) that is not properly controlled with air conditioning can also lead to excessive dampness. Mayo Clinic is a not-for-profit organization. After the exposure has passed, you still produce antibodies that "remember" this invader so that any later contact with the mold causes your immune system to react. Keep your humidity levels below 50 percent. Mold exposure in indoor environments can lead to an array of potential health issues and symptoms . Is rinsing your sinuses safe? ISBN: 7989289041683. Saving Lives, Protecting People, The National Institute for Occupational Safety and Health (NIOSH), NIOSH Alert: Preventing Occupational Respiratory Disease from Exposures Caused by Dampness in Office Buildings, Schools, and Other Nonindustrial Buildings, National Institute for Occupational Safety and Health, Occupational Respiratory Disease Surveillance (ORDS), U.S. Department of Health & Human Services, Respiratory symptoms (such as in nose, throat, lungs), Hypersensitivity pneumonitis (a rare lung disease caused by an immune system response to repeated inhalation of sensitizing substances such as bacteria, fungi, organic dusts, and chemicals), Allergic rhinitis (often called “hay fever”). rainwater). Like any allergy, mold allergy symptoms are triggered by an overly sensitive immune system response. Dampness becomes a problem when various materials in buildings (e.g., rugs, walls, ceiling tiles) become wet for extended periods of time. Mold may also produce substances that can cause or worsen health problems, and these substances vary depending on the mold species and on conditions related to the indoor environment. Accessed Dec. 29, 2015. Mold in the house isn’t just a problem for people with allergies or asthma. Moisture-damaged building materials can release volatile organic compounds that can cause health problems. Being allergic to one type of mold doesn't necessarily mean you'll be allergic to another. Dampness is a problem in buildings because it provides the moisture that supports the growth of bacteria, fungi (i.e., mold), and insects. Health Symptoms. https://www.epa.gov/mold/printable-version-brief-guide-mold-moisture-and-your-home. Accessed Dec. 29, 2015. 2015;114:83. Coronavirus disease outbreak (COVID-2019), Coronavirus disease outbreak (COVID-19) ». NIOSH Alert: Preventing Occupational Respiratory Disease from Exposures Caused by Dampness in Office Buildings, Schools, and Other Nonindustrial Buildings Dampness: The Access or penetration of moisture contents inside a building through its walls, floors or roof is known as dampness. Research has found that people who spend time in damp buildings are more likely to report health problems such as these: Exposures in damp buildings are complex. A number of factors can make you more likely to develop a mold allergy or worsen your existing mold allergy symptoms, including: Living in a house with high humidity. Medications can help keep mold allergy reactions under control. Mold allergy causes the same signs and symptoms that occur in other types of upper respiratory allergies. for protecting public health are formulated on the basis of the review. Make a donation. 749 cross­sectional (cross­sectional or prevalence case–control) • No minimum study size, but if exposure was characterized only at the building level, inclusion of > 10 buildings • Including risk factors related to dampness Accessed Dec. 29, 2015. Mold can grow virtually anywhere if the conditions are right — in basements, behind walls in framing, on soap-coated grout and other damp surfaces, in carpet pads, and in the carpet itself. The above does not describe all potential health effects related to mold exposure. If you have a mold allergy, the best defense is to reduce your exposure to the types of mold that cause your reaction. You may notice symptoms when the weather is damp or when you're in indoor or outdoor spaces that have high concentrations of mold. Accessed Dec. 29, 2015. In some people, exposure to certain molds can cause a severe asthma attack. If you have a mold allergy and asthma, your asthma symptoms may be triggered by exposure to mold spores. They vary from building to building, and in different places within a building. General Buildingspdf icon (form only). Portnoy JM, et al. https://www.aaaai.org/conditions-and-treatments/allergies/mold-allergy. You will be subject to the destination website's privacy policy when you follow the link. https://www.merckmanuals.com/professional/immunology-allergic-disorders/allergic,-autoimmune,-and-other-hypersensitivity-disorders/overview-of-allergic-and-atopic-disorders. Research on mold and health effects is ongoing. Eliminate sources of dampness in basements, such as pipe leaks or groundwater seepage. Some of the most common molds that cause allergies include alternaria, aspergillus, cladosporium and penicillium. leaking pipes) or external sources (e.g. For more detailed information consult a health professional, your state or local health department, or the Centers for Disease Control and Prevention mold website. This content does not have an Arabic version. School Buildings Form & Instructionspdf icon Accessed Dec. 29, 2015. Flooding causes dampness. The review concludes that the most important effects are increased prevalences of respiratory symptoms, allergies and asthma as well as perturbation of the immunological system. Number of pages: 228 Use a dehumidifier in any area of your home that smells musty or damp. https://www.cdc.gov/mold/faqs.htm. minimization) of persistent dampness and microbial growth on interior surfaces Molds are very common both inside and outside. The document also summarizes the available information on the conditions that determine the A mold allergy can make you cough, make your eyes itch and cause other symptoms that make you miserable. The access and penetration of moisture content into building through its walls, floor, roof etc.

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