“Thickening of the toenail following trauma occurs as follows.
If a thickened toenail develops after trauma, consider a fungal infection of the toenail as a result of the trauma.
To avoid further aggravation of symptoms or complications with other inflammatory conditions, it is recommended to visit a hospital dermatologist for further investigations such as fungal microscopy, fungal culture, or histopathological examination to understand the specific cause.
Self-medication is not recommended to avoid the formation of ingrown nails.”