Angioedema is swelling beneath the skin, often caused by allergic reactions, medications, or hereditary factors. Common triggers include food allergens, insect stings, and drugs like ACE inhibitors. Infections may also play a role. To prevent angioedema, avoid known allergens, monitor drug reactions, and consult a doctor before taking new medications. Those with hereditary angioedema should follow prescribed treatments. If you are prescribed antibiotics, always inform your provider about any past reactions. A reliable cephalexin capsules supplier ensures safe, high-quality antibiotics, reducing the risk of unexpected allergic responses. Always choose certified suppliers for consistent pharmaceutical standards and patient safety.