When should I be concerned about a cut finger?

A cut finger injury is a medical emergency if: The cut reveals deep layers of skin, subcutaneous fat, or bone. The edges of the cut can’t be gently squeezed together because of swelling or the size of the wound. The cut is across a joint, having possibly injured ligaments, tendons, or nerves.

Why is the cut on my finger turning purple?

In most instances, restricted blood circulation to the hand and fingers is the root cause of the purple discoloration. Oxygenated blood is bright red and gives your fingers their normal pinkish color. Without oxygen, blood turns dark and results in external color changes.

Is it normal for a cut to be blue?

For an arm or leg wound, is the skin below the wound (farther down the limb) blue, pale, or cold to the touch and different from the other arm or leg? This may mean that a major blood vessel was damaged and that blood is not reaching the rest of the arm or leg.

How do you tell if a cut is infected?

Symptoms of Wound Infections

  1. Pus. Pus or cloudy fluid is draining from the wound.
  2. Pimple. A pimple or yellow crust has formed on the wound.
  3. Soft Scab. The scab has increased in size.
  4. Red Area. Increasing redness occurs around the wound.
  5. Red Streak.
  6. More Pain.
  7. More Swelling.
  8. Swollen Node.

How do you tell if you cut a nerve in your finger?

What are the symptoms of a tendon or nerve laceration?

  1. Indicators that you may have damaged tendons or nerves in your hand include:
  2. Pain and tenderness in palm of your hand.
  3. Inability to bend or extend one or more fingers fully.
  4. Pain in the fingers.
  5. Numbness in the fingers.

Why is the tip of my finger blue?

Peripheral cyanosis is when the hands, fingertips, or feet turn blue because they are not getting enough oxygen-rich blood. Cold temperatures, circulation problems, and tight jewelry are common causes of peripheral cyanosis.

What color is an infected cut?

Signs of Infection expanding redness around the wound. yellow or greenish-colored pus or cloudy wound drainage. red streaking spreading from the wound.

What does sepsis look like?

People with sepsis often develop a hemorrhagic rash—a cluster of tiny blood spots that look like pinpricks in the skin. If untreated, these gradually get bigger and begin to look like fresh bruises. These bruises then join together to form larger areas of purple skin damage and discoloration.

Why do my fingernails turn blue?

Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells. This condition is known as cyanosis. It occurs when there isn’t enough oxygen in your blood, making the skin or membrane below the skin turn a purplish-blue color.

Why do my fingers turn blue and Numb?

Raynaud Disease Causes Numbness and Tingling. This is a disease that affects the circulation in the fingers and toes. The fingers are numb, tingle and turn blue in cold weather or even when the person is under emotional duress.

Why do fingernails turn blue when cold?

Cold temperatures can also cause your fingernails to turn blue. That’s because cold temperatures force your blood vessels to constrict. The narrow pathways make it difficult for the right amount of oxygen-rich blood to get to your nails.

Why is my hand turning blue?

Blue hands occur when the skin in the hands takes on a bluish tint or color. This generally is due to either a lack of oxygen in the blood or extremely cold temperatures.