Being tested for asthma will typically include a medical history, including any pattern related to the symptoms or possible precipitating factors. Spirometry, which uses pulmonary function tests to study the air volume and flow rate within the lungs, can help detect asthma. Your doctor will look at vital capacity, peak expiratory flow rate and forced expiratory volume.
You found your asthma medicine sitting at the bottom of your sock drawer and now you're wondering: Can I still use it? Is it safe? Will it still work? Is it okay to use expired asthma medicines? Asthma medicine has a tendency to be expensive. One Advair Discus costs over $100 just for one month. Even with…