Nerve compression. You may have a compressed nerne or a neuroma.
Possible neuroma. Look up neuroma and see if the symptoms match. Could also be capsulitis. To receive an answer that will be more helpful for you, you need to give more information...Your health status, any problems such as gout, diabetes or blood pressure concerns. You should state how long it has been a problem and what you do to make it feel better. Also tells us what it looks like. Is it discolored, swollen or point.