Respiratory Diseases

Wheezing that shows up or gets worse when you lie down is a clue, not a diagnosis. It usually means something is narrowing your airways or making it harder for your lungs to work when your body is flat. 💡 TL;DR: Wheezing that gets worse when you lie down is

💡 TL;DR: White foamy mucus is often linked to mild causes like postnasal drip, allergies, reflux, or a short-term infection, and many cases improve with home care in 1 to 2 weeks. The big tradeoff is context: a small amount without breathing trouble is usually less urgent, but sudden shortness

💡TL;DR: Walking pneumonia is a milder form of pneumonia that often feels like a long‑lasting chest cold, with a nagging cough, tiredness, and chest discomfort that can stretch on for weeks. Fever may be low or even absent, so pay more attention to how long your cough and

💡TL;DR: Shortness of breath when you lie flat is called orthopnea and it usually points to a heart or lung issue that needs checking. If it eases when you sit up or you need two or more pillows to sleep, schedule a medical visit; sudden or severe symptoms are

💡TL;DR: Hemoptysis = blood with a cough from the lungs; hematemesis = blood with vomiting from the stomach or esophagus. Look for bright, frothy blood in mucus during a cough versus dark coffee‑ground or bright red blood mixed with food after nausea. Any vomiting of blood warrants emergency care; coughing

💡TL;DR: Epiglottitis is a sudden, bacterial throat infection that can block the airway within hours and needs emergency care, while croup is a common viral illness with a barky cough that usually improves in 3–4 days with calm care and a single steroid dose from your doctor. Look

💡TL;DR: Yes, pneumonia can be contagious when it is caused by a virus or bacteria, and it spreads at close range in cough and sneeze droplets. Viral cases are contagious for several days. Bacterial cases usually stop spreading about 24–48 hours after effective antibiotics. Walking pneumonia (Mycoplasma) can

💡TL;DR: Stridor is a harsh, high‑pitched sound on inhale from the upper airway; wheezing is a musical whistle on exhale from the lungs. Location (throat vs chest) and timing (in vs out) are the fastest ways to tell them apart. Stridor at rest, blue lips, or trouble swallowing

💡TL;DR: Bronchitis irritates the airways and is usually viral; pneumonia infects the lung's air sacs and tends to be more severe. Expect bronchitis to improve in 1–3 weeks and pneumonia to take 1–2+ weeks, with fatigue lingering. Antibiotics usually don't help acute bronchitis,