About one in 20 people experience bronchitis every year, despite it being a respiratory infection no one wants. Its most common symptoms include wheezing, chest tightness, low fever, fatigue, ...

Medically reviewed by Susan Russell, MD Key Takeaways Lung infections can be caused by viruses, bacteria, or fungi and cause symptoms like cough, fever, and mucus. Most lung infections are treatable ...

Allergies commonly cause itchy eyes, sneezing, and a stuffy nose. Allergies can also cause allergic bronchitis, with symptoms like coughing, wheezing, and shortness of breath. Understanding the ...

Bronchitis may cause you to cough up blood, known as hemoptysis. Bronchitis is inflammation of the bronchial tubes, or airways, that usually happens due to an infection or breathing in irritants like ...