that your asthma is not well controlled or is getting worse.Occupational asthmaOccupational asthma is asthma that develops or gets worse in the workplace. It can happen in an adult who is around allergens, for example, dust and mold, or other sensitizing agents at work.Once you become sensitized to a substance, being around a very small amount can be enough to trigger serious symptoms. Your asthma can continue to get worse every time you are around the trigger. To prevent asthma flare-ups, you should remove the sensitizing agent from your place of work and avoid any further contact.Allergic asthmaAllergic asthma often starts at a young age. Breathing can become difficult when you are around certain allergens, such as pollens, dust mites, or mold. Avoiding the allergens that trigger your asthma can help control your symptoms and prevent flare-ups. Typical treatment includes inhaled corticosteroids. Your healthcare provider may also recommend adding biologic medicines or allergy shots, which can be specific to the allergen.Some people only have seasonal allergic asthma, which means that they do not have symptoms outside of a certain pollen season. Your provider may recommend medicines, such as a daily controller or a reliever inhaler, from the start of your allergy season until a few weeks after the season ends.Nocturnal asthmaNocturnal asthma refers to asthma symptoms that occur at night. It is not a separate type of asthma, but a sign of poor symptom control. It is common for asthma symptoms to get worse at night or in the early morning. Sometimes, your symptoms may wake you up at night. If this happens often, it may be a sign that your asthma is not well controlled.Being around allergens while you sleep may also worsen your symptoms at night. Knowing your asthma triggers and avoiding them at night can help you and sleep better., Depending on the severity of your asthma, doctors might opt for several different treatment options. Learn more about the different types of inhalers, nebulizers, medications, and lifestyle , Treatment can prevent asthma attacks and control symptoms during activity. Regular exercise can strengthen your heart and lungs, which helps relieve asthma symptoms. If you exercise in cold temperatures, wear a face mask to warm the air you breathe. Maintain a healthy weight..