Some asthma symptoms may develop days before breathing tests show a significant decrease in lung function. Yet in some situations, the symptoms develop suddenly. The most common symptoms of asthma or an attack include:
What should you do if you have any of these asthma warning signs? Ideally, you and your doctor should have already worked out an asthma action plan. This is a simple set of steps to follow when you have asthma symptoms. Your asthma action plan may include measuring your breathing capacity with a device called a spirometer and taking a dose of quick relief inhaler medication. Your doctor may also want you to change the dose of your daily maintenance therapy to help control your asthma.
Anaphylaxis is a medical emergency. Keep in mind that anaphylaxis often develops quickly after exposure to the allergen -- possibly within minutes. If you know you’re at risk for anaphylaxis, your doctor should have prescribed a medicine for emergencies. Always carry the medicine with you.