Raised horizontal ridges on toenails can be caused by trauma, nail dystrophy, and psoriasis.
1. Trauma: The impact of trauma on the nails may damage the nail bed, leading to nail dysplasia and the symptoms of raised horizontal edges on the toenails.
2. Nail malnutrition: long-term existence of picky eating, partiality and other bad dietary habits, resulting in a lack of calcium and other trace elements, causing nail malnutrition, which will lead to symptoms of raised horizontal edges of the toenails.
3. Psoriasis: it is a chronic and difficult to treat skin disease, belongs to the immune disease, when it involves the nail area, it will also lead to changes in the toenail, resulting in the symptoms of raised horizontal edges of the toenail.
When patients have symptoms of raised horizontal edges on the toenails, it is recommended to go to the hospital in time to clarify the cause and follow the doctor’s instructions for treatment.