There are several systemic diseases, or diseases that affect the whole body, that either display symptoms in the feet or affect the health of the feet. Common systemic diseases that affect the overall health of the feet, and the patient’s ability to walk comfortably, include gout, diabetes mellitus, neurological disorders, and arthritis, among others.

In gout, which is caused by an excessive buildup of uric acid in the body, the most common symptoms of pain, inflammation, and redness occur at the metatarsal/phalangeal joint at the base of the big toe. Any excess levels of uric acid crystallize and are deposited in tendons, joints, and surrounding bone and muscle tissue. Gout is commonly treated with NSAIDs to relieve pain and inflammation and other drugs to lower uric acid levels in the body. Gout most commonly affects those who are overweight, have low protein diets and lead a more sedentary lifestyle.

Diabetes mellitus is an increase in the level of blood sugar in which the body cannot counteract with naturally occurring insulin in the body. The three types of diabetes, Type I, Type II and Gestational Diabetes, are all signs the body is either not producing enough insulin or is not efficiently using the insulin that is produced. Gestational diabetes only affects women who are pregnant and have never, prior to pregnancy, exhibited symptoms of the disease.

There are two main issues that affect the feet that are commonly caused by diabetes. They include diabetic neuropathy and peripheral vascular disease. Diabetic neuropathy can lead to damaged nerves and affect the feet through numbness and loss of sensation. Peripheral vascular disease restricts the flow of blood to the foot and can, in extreme cases, lead to the necessity of amputating the foot. Peripheral issues that are caused by diabetes and can affect the foot include athlete’s foot, nail infections, corns, blisters, bunions, severe dry skin, plantar warts and ingrown toenails. These can all be attributed to the decrease of blood flow to the foot.

Neurological disorders and rheumatoid arthritis can also have severe impact on the health of the feet. Neurological disorders can affect the nerves in the main structure of the foot and cause loss of sensation and possible decreased muscle response. Rheumatoid arthritis can affect the bones and joint structures of the foot, making it impossible to walk normally without serious pain.

All systemic diseases that affect the foot can effectively be treated to minimize joint and muscle damage if they are diagnosed early and treated with medication and lifestyle therapy. Diabetes patients must monitor their blood sugar levels and work with their physician to keep their levels as close to normal as possible. Rheumatoid arthritis patients should work with their physician to ensure the proper medications are being taken to reduce the amount of damage to the joints of the body.

Hammertoes are painful deformities that frequently form on the second, third, or fourth toe. The condition is often caused by an issue in foot mechanics. This can be caused by the person’s specific gait or the manner in which they walk, or by shoes that do not comfortably fit the deformity.  Hammertoes can be formed after wearing shoes that are too narrow or short for the foot or have excessively high heels. Shoes that are not properly sized will force the toes into a bent position for long periods of time. This can cause the muscles to shorten and toes to bend into the deformity of a hammertoe.

Hammertoe can also be caused by complications from rheumatoid arthritis, osteoarthritis, trauma to the foot, heredity, or a cerebral vascular accident. Pain and difficult mobility of the toes, deformities, calluses, and corns are all symptoms of a hammertoe.

Someone who suspects they have the symptoms of a hammertoe should consult with a physician—particularly a podiatrist. Podiatrists diagnose and treat complications of the foot and ankle. If the podiatrist discovers that the affected toes are still flexible, treatment for the hammertoe may simply involve exercise, physical therapy, and better-fitting shoes. Treatment for hammertoes typically involves controlling foot mechanics, such as walking, through the use of customized orthotics.

For more serious cases in which the toes have become inflexible and rigid, surgery may be suggested. During the operation, the toe would receive an incision to relieve pressure on the tendons. A re-alignment of the tendons may then be performed by removing small pieces of bone to straighten the toe. In some cases, the insertion of pins is needed to keep the bones in the proper position as the toe heals. The patient is usually allowed to return home on the same day as the surgery.

If surgery is performed to repair a hammertoe, following the postoperative directions of your doctor is essential. Directions may include several stretches, picking up marbles with your toes, or attempting to crumple a towel placed flat against your feet. Wear shoes that have low heels and a wide amount of toe space to maintain comfort. Closed-toe shoes and high heels should be avoided. Shoes with laces allow the wearer to adjust how fitted he or she may want the shoes to be and also allow for greater comfort. To provide adequate space for your toes, select shoes that have a minimum of one-half inch of space between the tip of your longest toe and the inside of the shoe. This will also relieve pressure on your toes and prevent future hammertoes from forming.

Other preventative measures that can be taken include going shopping for new shoes in the middle of the day. Your feet are its smallest in the morning and swell as the day progresses. Trying on and purchasing new shoes midday will give you the most reliable size. Be sure to check that the shoes you purchase are both the same size. If possible, ask the store to stretch out the shoes at its painful points to allow for optimum comfort.  

For hundreds of years, women have been wearing various kinds of high heels for aesthetic reasons. Women who wear high heels appear to be taller and have longer and thinner legs, and the wearer’s gait and posture changes. Though high heels have had an association with femininity and have kept them popular over the years, there are definite health problems caused by wearing them too frequently.

The motion of the ankle joints is limited when heels are worn. The ankle joint is very important to the body when it comes to walking. Because of their location, these joints have a great deal of weight put on them. Thus, it is very important to keep them as healthy as possible. The Achilles tendon is the main tendon in the ankle. Wearing high heels too often, studies have shown, can cause the calf muscle and Achilles tendon to shorten and stiffen. This can cause problems when shoes without heels are worn.

By putting a great deal of pressure on the ball of the foot and by forcing the toes into a small toe box, high heels can cause or may worsen many foot problems. These include corns, hammertoe, bunions, Morton’s neuroma and plantar fasciitis.

Not only does wearing high heels regularly have negative effects on the feet, the rest of the body can suffer as well. The knees, one of the most important joints in the entire body, can be affected by wearing high heels.  High heels can cause the knees to stay bent all the time. Also, it can cause them to bend slightly inward as well. Doctors believe that women can suffer from osteoarthritis later in life because of constantly walking like in high heels. By limiting the natural motion of the foot during walking, high heels also cause an increased in stress on the knees.

Similarly, high heels can cause the back to go out of alignment. If high heels are worn constantly, the spine’s ability to absorb shock can cause continued back pain. They can compress the vertebrae of the lower back, and can overuse the back muscles.

However, this is not to say that high heels can never be worn. If worn occasionally and not often, they will not cause serious problems. They should not be worn every day. It’s important to wear them modestly to avoid the long-term physical health problems of the feet, knees, ankles, and back mentioned above.

Obesity is a common problem in American society. Approximately one third of the U.S. population is obese. Obesity is defined as a body mass index greater than 30. Obesity has the power to affect different aspects of the body, and one of the most common problems it causes is foot pain. There have been many studies that found a connection between an increased BMI and foot problems. A simple activity such as walking up a flight of stairs can increase pressure on the ankle by four to six times.

Being overweight causes the body to compensate for the extra weight by changing the way it moves. Consequently, people who struggle with obesity commonly have arch problems in their feet. Obesity causes the arch to break by stretching the ligaments and tendons that hold the bones in the foot together. When the arch lowers, the foot may eventually fall flat. Collapsed foot arches fail to provide adequate shock absorption which eventually leads to foot pain. Other conditions that may be caused by flat feet are pronation, plantar fasciitis, weak ankles, and shin splints.

Foot problems that are caused by obesity may be treated by wearing proper footwear. Proper shoes will allow your feet to have better circulation around the arch and ankle. Additionally, those with obesity often discover that typical heel pain remedies are not effective for them.  They will find that their plantar fascia is easily injured, and it is often inflamed. The best way to treat this problem is to implement lifestyle changes. A few good ways to improve your diet are to reduce calories, fill up on fruits and veggies, and to limit sugars.

Custom foot orthotics can prevent foot problems if you’re carrying excess weight or are trying to lose weight. The purpose of orthotics is to provide shock absorption to decrease the amount of stress on the joints to prevent arthritis.

A podiatrist will be able to address a variety of rare foot conditions, particularly the ones that affect children. The most common are Kohler’s disease, Maffucci syndrome, and Freiberg’s disease. They can be properly diagnosed by having an X-ray taken, but in more serious cases an MRI may be needed. Kohler’s disease generally affects younger boys and bone deterioration may result from an interruption of blood supply. Children who have Kohler’s disease may find relief when the affected foot is rested, and a special boot is worn. Benign growths in the long bones of a child’s foot may lead to the development of bone lesions, and this is known as Maffucci syndrome. People who have this condition find mild relief when custom-made orthotics are worn. Freiberg’s disease targets the ball of the foot and can typically affect pre-teen and teenage girls. The metatarsal bone becomes deteriorated and flattened, and common symptoms include swelling and stiffness. A cast is often necessary to wear with this disease as it can help to reduce existing pain. Erythromelalgia is a rare foot condition, and its cause is unknown. Symptoms of this disease can include intense burning pain and the feet may appear red or feel warm. Relief may be found when the affected foot is immersed in ice water. It can also be beneficial to elevate the foot frequently. If your child complains of foot pain, it is strongly suggested that you consult with a podiatrist who can diagnose and treat rare foot conditions.