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.

Bunions are large bony bumps at the base of the big toe. Medically known as hallux valgus, a bunion is a misalignment of the metatarsophalangeal joint, or big toe joint. The misalignment will generally worsen with time if left untreated.

The exact cause of bunions is unknown, with genetics seen as a potential cause. High heels and poorly-fitted footwear, rheumatoid arthritis, and heredity all seem to be potential factors behind the exacerbation of bunions. Women have been found to be more likely to develop bunions in comparison to men.

Bunions do not always produce symptoms. The best way to tell is if the big toe is pushing up against the next toe and there is a large protrusion at the base of the big toe. You may or may not feel pain. Redness, swelling, and restricted movement of the big toe may be present as well.

Podiatrists use a variety of methods to diagnose bunions. If there are symptoms present, podiatrists will first consider that it is a bunion. If not, a physical examination will be conducted to check function of the big toe. Finally, an X-ray may be taken to view the extent of the bunion and confirm it is a bunion.

Typically, nonsurgical methods are used to treat bunions, unless the bunion has become too misaligned. Orthotics, icing and resting the foot, roomier and better fitted shoes, taping the foot, and pain medication are usually utilized first. If the bunion doesn’t go away or causes extreme pain, surgery may be required. Surgeons will either remove part of the swollen tissue or bone to straighten the toe out.

If you have a bunion, it is recommended to see a podiatrist. The longer it is left untreated, the worse it may get. Podiatrists can properly diagnose and treat a bunion before it gets worse.

Sever's disease, also known as calcaneal apophysitis, is a medical condition that causes heel pain in children’s feet while they’re growing. Sever's disease occurs most commonly in boys and girls between the ages of 8 and 14.

Sever's disease occurs when the child’s growth plate, or the calcaneal epiphysis, an area attached to the Achilles tendon, is injured or when the muscles and tendons of the growing foot do not keep pace with bone growth. The result is constant pain experienced at the back of the heel and the inability to put any weight on the heel. This forces the child to bear weight on their toes while walking. When a toe gait develops, the child must change the way they walk to avoid placing weight on the painful heel. If this is not properly addressed, this can lead to further developmental problems.

The most common symptom of Sever's disease is acute pain felt in the heel when a child engages in physical activity such as walking, jumping or running. Children who are active athletes are among the group most susceptible to experiencing Sever's disease. This is due to the extreme stress and tension placed on their growing feet. The rolling movement of the foot during walking or running and obesity are both additional conditions linked to causing Sever's disease.

The first step in treating Sever's disease is to rest the foot and leg and avoid physical activity. Over the counter pain-relieving and anti-inflammatory medications can be helpful for reducing the amount of heel pain. A child with Sever's disease should also wear shoes that properly support the heel and the arch of the foot. Consider purchasing orthotic shoe inserts which can help support the heel and foot while it is healing. Most patients with Sever's disease symptoms report an eventual elimination of heel pain after wearing orthotic insoles that support the affected heel.

Sever's disease may affect either one heel or both. It is important for a child experiencing heel pain to be examined by a foot doctor who can apply the squeeze test. The squeeze test compresses both sides of the heel in order to determine if there is intense pain. Discourage any child diagnosed with Sever's disease from going barefoot as this can intensify the problem. Apply ice packs to the affected painful heel two or three times a day for pain relief.

Exercises that help stretch the calf muscles and hamstrings are effective at treating Sever's disease. An exercise known as foot curling has also proven to be very effective at treating Sever's disease. When foot curling, the foot is pointed away from the body, then curled toward the body to help stretch the muscles. The curling exercise should be done in sets of 10 or 20 repetitions and repeated several times throughout the day.

Treatment methods can continue for at least 2 weeks and as long as 2 months before the heel pain completely disappears. A child can continue doing daily stretching exercises for the legs and feet to prevent Sever’s disease from returning.

Sesamoiditis is a condition in which the sesamoid bones in the forefoot become inflamed from physical activity. Sesamoid bones are bones that are not connected to other bones but are located in tendons or muscle. Two of these sesamoid bones are very small and located on the underside of the foot near the big toe. Athletes such as runners, baseball and football players, and dancers are likely to experience sesamoiditis. Those with high arched feet, flat feet, or runners who run on the ball of their foot are also prone to suffer from sesamoiditis.

Symptoms include pain or throbbing on the ball of the foot near the big toe. The pain generally starts with a mild throbbing but gradually builds up to shooting pain. Bruising, swelling, and redness are possible, but in most cases, these symptoms are not present. However, moving the big toe can result in pain and difficulty.

To conduct a diagnosis, the podiatrist will examine the ball of the foot and big toe. They will look for any outliers and check the movement of the toe. X-rays will be taken to rule out any other conditions and ensure that it is sesamoiditis.

Treatment for sesamoiditis is generally mild and includes rest, anti-inflammatory and pain medication, and ice treatments to deal with the swelling and pain. Orthotics may be needed with people who have flat or high arched feet to relieve pressure off the bones. In some cases the toe will be taped and immobilized to allow healing. The podiatrist may also decide to use a steroid injection to help with swelling as well. If you have sesamoiditis, you shouldn’t engage in any intensive activity, as it may inflame the area and worsen your pain. If the sesamoid bone has fractured, surgery may be required to remove the sesamoid bone.

If you are suffering from sesamoiditis or are experiencing symptoms similar to sesamoiditis, you should stop all physical activity that puts strain on the area. Furthermore you should see a podiatrist for a diagnosis to see if you have sesamoiditis.