I have sharp pain in the side of my index finger, below knuckle. pain comes and goes in waves. no redness or swelling. i did not injure it.

Could be arthritis : Arthritis pain is not uncommon for getting in the 40s… Especially if you have been used to hard work… This may also indicate a nerve irritation which may be in directly caused by arthritis fo arthritis pain is not uncommon for getting in the 40s… Especially if you have been used to hard work… This may also indicate a nerve irritation which may be in directly caused by arthritis spur.