Respiratory Diseases

💡TL;DR: For most adults, an oxygen level of 90% is low and should be rechecked carefully. A typical SpO2 range is about 95% to 100%, while around 88% or lower is more concerning. A single pulse oximeter reading can be wrong by a few points, so warm your hands,

💡TL;DR: Phlegm stuck in your throat for months is usually linked to an ongoing trigger, not one piece of mucus trapped in place. Common causes include postnasal drip, reflux or LPR, allergies, chronic sinus inflammation, dry air, irritants, asthma, or slow recovery after an infection. If symptoms last more

💡TL;DR: Coughing mucus after eating is usually linked to reflux, postnasal drip, swallowing problems, airway irritation, or mucus that was already in the chest. Timing matters: coughing during swallowing is more concerning for aspiration or dysphagia, while coughing later or when lying down often points to reflux or drainage.

💡TL;DR: Yes, you can have a sinus infection with clear mucus. Clear drainage is common early in sinusitis and can also occur with allergies, viral infections, or irritation. Mucus color alone cannot tell you whether an infection is viral or bacterial. Symptoms such as facial pressure, congestion, postnasal drip,

💡TL;DR: Chest burning pain is often caused by acid reflux, but it can also signal a heart attack, angina, lung disease, or other medical conditions. Burning that comes with shortness of breath, sweating, dizziness, nausea, or pain spreading to the jaw, back, shoulder, or arm needs emergency evaluation. Heartburn

💡TL;DR: The biggest lung-health gains usually come from quitting smoking, avoiding polluted air, staying active, and preventing infections. Regular exercise, hydration, and breathing exercises can improve breathing efficiency and daily stamina, even when lung capacity itself does not change. People with COPD, asthma, or chronic mucus often need

💡TL;DR: White foamy or bubbly mucus usually happens when air mixes with mucus during coughing or throat clearing. Common causes include postnasal drip, allergies, GERD, viral illnesses, asthma, and COPD. The bubbles themselves are usually less important than symptoms like shortness of breath, chest pain, fever, or coughing blood.

💡TL;DR: Most pain that feels like it is coming from the lungs during a cough is actually caused by strained chest muscles, irritated airways, rib cartilage, or the lining around the lungs. Common causes include bronchitis, pleurisy, pneumonia, costochondritis, asthma, and simple muscle strain. Dull soreness after coughing fits