Bumps on your skin can be itchy or painful and tend to become more widespread with age. Here’s how to determine if a lump’s harmful and what's next. What is a Lump?

Understanding the Context

A lump is a localized swelling or bump that may develop beneath the skin or within tissues. It can be soft or firm, painless or tender, and may grow gradually. Lumps can result from various causes, including infections, cysts, inflammation, or tumors. All featured products are chosen at the discretion of the GreatPetCare editorial team and do not reflect a direct endorsement by the author or reviewer.

Key Insights

Discovering a lump on your cat can be a scary ... If you’ve recently discovered a lump under your skin, it’s normal to wonder — is it something harmless, or something serious? The question of lump vs cancer is one of the most common fears patients bring up in exams. Have a doctor examine a lump if it’s hard, sore, bleeding, swelling, rapidly growing, persistent, or located on your testicles or breasts. Hard and immovable lumps should be checked by a healthcare provider right away.

Final Thoughts

Soft lumps that roll under your fingers are usually not serious. If a lump grows or changes, see a healthcare provider. Not all skin lumps are cause for alarm—those that are soft and mobile are usually benign. While many lumps are harmless and resolve on their own, others may signal an underlying medical condition that requires attention. Understanding the different types of lumps, their common causes, and red-flag warning signs can help you know when to monitor and when to seek medical evaluation. Common Lumps on the Body: Causes, Types, and When to See a Doctor