Fungal infections can produce a different pattern. An infected nail may become thicker, yellowish, brittle, crumbly, or distorted as it grows.
Because several nail conditions can produce similar-looking symptoms, it is not always possible to tell the cause simply by looking at the nail. If a nail becomes persistently discolored, thickened, painful, or distorted, professional evaluation can help identify the problem and determine whether treatment is necessary.
Hormones and Other Changes in the Body
Nail growth can also be influenced by changes occurring inside the body.
Some people with thyroid disorders experience changes in their hair, skin, or nails. Hormonal changes and certain chronic health conditions may also influence the rate or quality of nail growth.
This does not mean that brittle nails are a reliable sign of a thyroid disorder or another disease. A single symptom rarely provides enough information to
