Possible causes:
Vitamin deficiency (vitamins C, K, B12)
Blood clotting disorders
Platelet dysfunction
Liver disease
Certain medications
When to be concerned: Frequent, large, or unexplained bruising.
What to do: Have your blood tested.
7. Persistent itching without a rash
This is what it looks like: Intense itching without a visible rash or skin changes.
Possible causes:
Liver disease (bile acid deposits)
Kidney disease
Thyroid disease
Iron deficiency
Certain types of cancer (lymphoma)
When to be concerned: Persistent itching, especially in combination with fatigue or weight loss.
What to do: Consult a doctor.
8. Sudden, Drastic Skin Changes
Any rapid, unexplained change in your skin—color, texture, or newly appearing skin growths—should be examined by a doctor.
When to be concerned:
Rapidly growing lump
Sudden darkening or lightening of the skin
Extensive rash with fever
Blisters of unknown origin
What to do: See a doctor immediately.
Other skin signs you should know
Skin changes – Possible meanings
Dry, itchy skin: Thyroid problems, dehydration, eczema
Yellow-orange palms: Excess beta-carotene (often due to diet – harmless)
Pale skin: Anemia
Redness: Menopause, rosacea, certain tumors
Petechiae: Blood clotting disorders, infections
Poorly healing wounds: Diabetes, circulatory disorders, skin cancer
What your skin can tell you
