Bump on Bottom of Foot

A localized condition of swelling, growth or bump on the bottom of your foot may be cause for attention. This may be caused by injury, infection or inflammation. These bumps may be small or large and may have mild or severe pains that are associated with them. This article will explain possible causes, treatment, and prevention for bumps on the bottom of your feet.

Possible Causes

1. Blisters

When friction causes two layers of your skin to separate, a blister is formed. Blisters may appear in size ranging from the size of acne to three inches in diameter. The raised portion of the blister is filled with liquid that your body uses to heal the injured area and to prevent infection. Broken blisters may appear when the skin has torn open and may be painful to the touch.

Treatment includes reducing stress and friction in the area. It is important not to break an unopened blister, as this will open opportunity for an infection to occur. A closed blister can be cleaned and then covered with protective gauze, a band aid, or moleskin. An opened blister should be cleaned and disinfected, then it should be covered as well. Reduce stress on the area until it heals.

You can prevent blisters from occurring by taking regular breaks during your exercise or work. Purchasing shoes that fit properly and are more comfortable will help reduce the risk of blisters. Additionally, if you know that you are going to be on your feet for hours at a time, you can protect areas that are prone to blisters by covering them with moleskin.

2. Warts

Warts are caused by the human papilloma virus, known as HPV, and may appear anywhere on the body. The virus entered the body through injured skin. The virus is infectious and may continue to spread even after treatment. These normally have the diameter of half of centimeter and are raised about the same distance, but they can vary in width and depth.

Warts will generally disappear over time, but they can be unsightly or uncomfortable and you may want to remove them earlier. Liquid nitrogen can be purchased over the counter or administered by a medical professional. Laser surgery may also remove the wart. Some people have found that covering the wart for a week with a band aid or duct tape will weaken the wart. Do not attempt to cut off or cauterize the wart, as there are safer and more efficient means to remove it.



The best way to prevent a wart is to protect your skin from foreign interaction. It is important to remember that a removed wart does not mean that the virus has left your body. In time, your body should destroy the virus. The best thing to do is remove the warts as they develop and wait it out.

3. Calluses and Corns

Excessive friction can cause the skin to thicken and harden, which may result in calluses or corns. These may appear anywhere on the body, which the hands and feet the most common places for them to develop. Corns will take the shape as a bump on the bottom of the foot or between the toes. Calluses are large, flat areas of thickened skin and often appear on the pads of the feet.

Special pads may be purchased to remove corns. Soaking your feet in warm salty water before using a file to remove the skin may help. Having a medical professional surgically remove the corns may also be an option. Moleskin may be used to reduce the pain from your corns. The best treatment is to reduce friction on these areas.

The best way to prevent calluses and corns is to take proper care of our feet. If you walk or stand throughout the day, then wear moleskin pads on the soles of your feet or between your toes. Standing on a pad may also help reduce friction. Purchasing shoes that give your toes more space will help as well.



4. Plantar Fibroma

The tissue that runs from your toes to your heel is called the plantar fascia, and a bump on the bottom of the foot may be the result of a condition called plantar fibroma. The bump will commonly appear on the bottom of the foot. These bumps may or may not cause pain when pressure is applied. A medical professional will be able to determine if you are experiencing plantar fibroma by scanning it with an MRI.

Shoe inserts may help to remove discomfort while treatments are taking place. Injections may be used to shrink the growth, though it may return at a later date. Topical anti-inflammatory medication may also have beneficial results.

5. Athlete’s Foot

Athlete’s Foot, or tinea pedia, is caused by a fungal infection. This is often located between the toes, but serious cases can spread to the top, sides, and bottom of the foot. Athlete’s foot is red, itchy, sore and may lead to blisters or bumps on the bottom of the foot. It is infectious and may spread between the feet and to other people through floors, clothing, and shoes.

There are many treatments for athlete’s foot, including a wide range of anti-fungal lotions, sprays, powders, and ointments. Home treatment may involve soaking your feet in a salt and vinegar bath until the infection is destroyed. If over the counter and home treatments don’t work, then medical treatments may be prescribed.

Prevention of athlete’s foot is simple. Avoid areas that potentially contain athlete’s foot. Public showers, especially gyms, are often infected and rarely cleaned. Wearing sandals will help protect your feet. Keeping your towels and socks off of the floor will also be beneficial. Giving your feet time out of sweaty shoes will help protect your feet. Purchasing shoes that give your toes more wiggle room will help. For people with a history of athlete’s foot, wearing sandals when shoes are unnecessary will be especially helpful. Finally, taking time to clean your feet during bathing is incredibly helpful in preventing fungus from growing.

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