Swollen lips may be caused by allergic reactions, injuries, chapping or sunburn, infections, and cysts called mucoceles. The swelling comes from either inflammation or built-up fluid under the skin. An apple a day may keep the doctor away but maybe not if you have seasonal allergies.

Understanding the Context

Certain foods contain proteins that are nearly identical to pollen allergens, so if you’re already sneezing, they ... Chapped lips are more than just a nuisance. While it’s easy to attribute dry, cracked lips to cold weather or dehydration, persistent chapping can actually be a sign of underlying health issues. Consumer Reports: Are Lip Balms and Oils Causing Discoloration on Your Lips?

Key Insights

Podcaster Saron Olkaba’s viral TikTok, “Pigmented Contact Cheilitis,” has sparked a conversation about a lip reaction some people experience but may have never heard of: pigmented contact cheilitis, ... New York Post: Lip balm may make chapped lips worse for some people — look out for these ingredients NEW YORK — A tube of lip balm may seem like the perfect antidote to dry, cracked lips. But do these over-the-counter products soothe flaking or can they make it worse? Though dry lips can happen ... Lip balm may make chapped lips worse for some people — look out for these ingredients