Jogger's Nipple

• Your nipples can become extremely painful as a result of friction or injury, according to Drugs.com. Jogger's nipple is the term for itchy, irritated nipples that result from friction from your clothing, which is often experienced by long-distance runners. Chafing of the nipples will result in pain and, sometimes, dermatitis.
  
  

Fission

• When jogger's nipple occurs, there is a fission of the nipple. Men can experience it as well as women. Anything that can cause friction, including rough material or a logo on a shirt, can result in this condition, which is also called raver's nipple, gardener's nipple and runner's nipple.
  
  

Prevention/Solution

• Cover your nipples with petroleum jelly and surgical tape before you start running or exercising to prevent this, according to Commonsportsinjuries.com. Another suggestion is to wear a running vest that will eliminate some of the abrasion that occurs when you wear clothing that is made of synthetic fibers.
  
  

Wear a Bra

• Not wearing a bra may result in your breasts becoming irritated and painfully tender particularly if your breasts are repeatedly rubbing against material that is nubby, scratchy or rough. Wear a brassiere.
  
  

Lack of Support Can Cause Trauma

• Engaging in sports activities without wearing a supportive bra can result in friction agony as well as subjecting your breasts to too much bouncing around and trauma, which can result in tender breasts.