A permanent ridge in one fingernail may come from past injury, repeated pressure, or changes near the nail root. Learn when to see a dermatologist.
Why Does One Fingernail Grow With a Permanent Ridge?
Tag: Warts & Skin Growths
Why Does a Small Bump Release a Thick White Material When Squeezed?
A small bump that releases thick white material may contain keratin or trapped skin debris. Learn common causes, why squeezing can hurt, and when to seek care.
Why Does a Scar Get Little White Bumps Along the Edge?
Little white bumps along a scar may be milia or other skin changes. Learn why they develop, what to avoid, and when to see a dermatologist.
Why Do I Have a Bright Red Dot That Never Goes Away?
A bright red dot that won’t disappear may be a cherry angioma or another skin growth. Learn possible causes, warning signs, and when to see a dermatologist.
Why Does My Nail Grow With a Small Dent in the Same Place Every Time?
Does your nail keep growing with a dent in the same spot? Learn what recurring nail dents may mean, common causes, and when to see a dermatologist.
PDT for Recurrent Actinic Keratoses After Cryotherapy
Learn when PDT may be considered for recurrent actinic keratoses after cryotherapy, how the treatments differ, and what to expect.
Why Does My Skin Get Goosebumps That Do Not Go Away?
Skin that looks like it has permanent goosebumps may have several causes. Learn about keratosis pilaris, common triggers, and when to see a dermatologist.
Why Do I Have a Hard, Persistent Bump Where I Got a Splinter Years Ago?
A hard bump at an old splinter site may be scar tissue or a foreign body reaction. Learn why it persists and when to see a dermatologist.
Why Do I Have Little Skin-Colored Bumps Around My Nipples?
Small skin-colored bumps around the nipples are often normal areolar glands, but changes in color, pain, drainage, or texture deserve evaluation.
Why Do I Have a Bump That Looks Like a Blackhead That Has Been There For Years? (Nevus Comedonicus)
A blackhead-like bump that stays for years may be nevus comedonicus, a benign follicular growth. Learn what it looks like and when to get it checked.
