What Causes Nail Pitting?

* Injury: Nail pitting can be caused by any type of injury to the nail, such as biting, picking, or stubbing the nail.

* Infection: Fungal or bacterial infections of the nail can also cause pitting.

* Psoriasis: Psoriasis is a skin condition that can affect the nails, causing them to become pitted and crumbly.

* Lichen planus: Lichen planus is another skin condition that can affect the nails, causing them to become pitted and discoloured.

* Alopecia areata: Alopecia areata is an autoimmune condition that can cause hair loss, as well as nail pitting.

* Nutritional deficiencies: Deficiencies of certain vitamins and minerals, such as iron, zinc, and biotin, can also cause nail pitting.

* Medications: Certain medications, such as chemotherapy drugs, can cause nail pitting as a side effect.