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What Do Your Toenails Say About Your Health?

Most people don’t think to look at their toes but it may be a good idea to start paying attention! Read below to find out how your toenails can change and what these changes may be indicating.

Thickened Nails

Abnormally thickened nails, also called onychauxis, is caused by trauma or repetitive microtrauma to the cells at the base of the nail. This thickening is irreversible; however, it can be easily managed by regular visits to your local Chiropodist, who has special tools to reduce the nail’s thickness and remove pressure and pain to the area.

Yellow, Crumbly Nails

Typically, toenails that are discoloured, crumbly, and are accompanied by a significant amount of debris under the nail can be indicative of a fungal infection. The infection is actually in the nail bed (the skin underneath the nail), where fungus sets up shop and grows. Toenail fungus is caused by exposure to dermatophytes. It is contagious and often contracted by contact with an infected surface (i.e.: walking barefoot in a public space). The fungus then ultimately reaches the toenail bed and grows. Toenails that are traumatized (cracked due to repetitive trauma) are especially prone to fungal infections. Infections typically spread in locker rooms, pool decks, and salons. Toenail fungus is treated by topical prescription anti-fungal medication, along with debridement by a chiropodist to thin the nail and help the medication penetrate.

Curved Nails

Curved nails, usually caused by tight footwear or due to genetics, can be difficult to cut on your own. They also have a tendency to become ingrown toenails if cut too short. An ingrown toenail is when the nail pierces the skin causing pain, swelling, redness, and sometimes even a localized infection.

Ridged Nails

Brittle nails with superficial ridges are often initiated by rheumatoid arthritis or peripheral vascular disorders.

Terry’s Half and Half

This nail presents as half white and half dark in colour. The white portion is related to anemia. This nail presentation generally implies either renal or liver disease. If there is a brown band just before the free edge of the nail, the condition may be renal in nature.

Hippocratic Nails

Hippocratic nails, also known as clubbed nails, is when the nails start to grow curved, resembling the shape of an upside-down spoon. These nails are associated with chronic lung disease, heart disease, thyroid disease, liver issues, and digestive tract problems.

Spoon Shaped Nails

As the name suggest, this is when the nail resembles the shape of a spoon and becomes concave. Spoon shaped nails are associated with iron deficiency anemia.

Black Nails

Black toenails can be indicative of a number of things. In some cases, it can simply be due to trauma causing bleeding and consequently a bruise under the nail. In other cases, the dark pigmentation in the nail can be the result of a malignant melanoma. Malignant melanomas are suspected when a mole underneath the nail increases in size or elevation, becomes inflamed, bleeds following minor trauma, or if the pigmentation spreads into the surrounding skin around the nail.

Concerned about your toenails?

If you notice any changes to your toenails, before diagnosing yourself, let a Registered Chiropodist examine your feet to determine what is really going on and what treatment options there are to help.

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Carolina Charles

Patient Relation Coordinator (She/Her)

If you’ve been to the clinic before, chances are you had the pleasure of meeting Carolina! Carolina’s daily goal is going above and beyond to make sure patients are always completely satisfied. Having worked in the podiatry industry for 22 years, Carolina brings a wealth of knowledge pertaining to client service, insurance policies, and procedures.​ She steers the ship to make sure everything runs smoothly on the daily. Carolina is known for spicing up every outfit with her signature costume jewellery.