India, Dec. 21 -- When it comes to celebrities, we often associate facial swelling with botched cosmetic procedures.

However, when seen in regular people, the most common association that we make with the condition is that of allergies. While that may be true in many cases, it is definitely not for all.

Taking to Instagram on 20 December, Dr Kunal Sood, Maryland-based physician in Anesthesiology and Interventional Pain Medicine, explained how facial swelling is the most common symptom of angioedema, a condition that can be triggered by multiple causes.

According to the Cleveland Clinic, angioedema "is a reaction that causes swelling in the tissue below your skin." While it can affect any part of the body, its effect is commonly seen on...