It usually happens if the nail gets crushed in an injury It can cause symptoms such as intense pain and throbbing as blood collects under the For example, ice picklike depressions in the nails (nail pitting) are common in people who have psoriasis — a condition characterized by scaly patches on the skin Nail pitting can also be related to connective tissue disorders, such as Reiter's syndrome, and alopecia areata — an autoimmune disease that causes hair loss Nail pittingFinger injury Symptoms of finger injuries vary but can include pain, numbness, swelling, and deformity Paronychia Paronychia is a skin infection that causes pain and swelling around the fingernail or toenail Fingernail injury Fingernail injuries include bruises under or cracks in the nail, or separation of the nail from the nail bed
Yellow Nails What Causes Yellow Nails And How To Cure This Problem