Does a ball point pen have an expiry date? Or more specifically does the ink inside the refill of a ball point pen get spoilt or expire over c...
1 Ill-fitting shoes. Poorly fitting shoes are a frequent cause of foot pain. High-heeled shoes concentrate pressure on the toes and can aggravate, if not cause, problems with the toes.  Certain medical conditions. Any medical condition that causes a disturbance in the way a person walks can contribute to foot pain.
Blisters can form on the bottom of the feet as a result of several conditions. Photo Credit Digital Vision./Digital Vision/Getty Images. Blisters are generally small, fluid-filled bubbles that appear just underneath the skin. Blisters are a common cause of foot pain, particularly in runners and other athletes. According to Foot Pain Explained, blisters most often appear on the bottom of the foot, but they can also be found along the sides or on top.