Pain down the edges of the toenails is fairly common and often gets called “ingrown” when many cases are not actually ingrown toenails. A genuine “ingrown nail” is when the nail has actually grown into the skin, penetrates the skin and can become quite uncomfortable and is usually inflammation-prone. https://podiatryfaq.com/knowledge-base/the-side-of-the-toenail-hurts-but-its-not-ingrown/