Fungal infections can discolour the nail and cause yellow or white spots to appear. These spots may gradually spread and make the nail thick and brittle.
Fungal Infection
Frequent use of dark-coloured nail polish without a base coat can sometimes lead to nail discoloration, including yellow spots. The pigments in the nail polish can stain the nail over time.
Nail Polish
Smoking tobacco can stain the nails and fingers yellow, which may appear as spots on the nails.
Smoking
Psoriasis is a chronic skin condition that can affect the nails. Yellow spots, pitting, and other nail changes are common in individuals with psoriasis.
Psoriasis
This is a rare condition characterised by yellow, thickened, and slow-growing nails. It is often associated with respiratory or lymphatic disorders and may be accompanied by other symptoms.
Yellow Nail Syndrome
In some cases, yellow spots on nails can be a sign of underlying systemic diseases like diabetes, thyroid disorders, or lung conditions.
Systemic Diseases
A lack of essential nutrients, such as vitamin E, biotin, or zinc, can affect the health of your nails and lead to discoloration.
Nutritional Deficiencies
Exposure to harsh chemicals and cleaning agents without adequate protection can lead to nail discoloration, including yellow spots.
Chemical Exposure
Some medications, such as tetracycline antibiotics, can cause yellow or brown discoloration of the nails as a side effect.
Medications
Physical trauma or injury to the nail bed can result in yellow spots. This can happen if you accidentally hit your nail or if you wear tight-fitting shoes that put pressure on your toenails.