An infection on the underside of toes typically is caused by a fungus or bacteria. Both types of infections usually start in between the toes where the skin is moist from sweat and less air flow. When an infection is left untreated, it can spread to the underside or bottom of toes as this part can also be sweaty and moist. A fungal infection on the bottom of toes is also known as Athlete’s foot and usually itches or burns. A bacterial infection on the bottom of toes may present as a sore and warm abscess with pus or a red rash.
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Symptoms
Fungal and bacterial infections can look and feel different, but they also have similarities. Both can cause the skin to peel, crack, discolour, itch, burn and throb. There could also be a foul odour. Increased moisture and sweating is an ideal breeding ground for microorganisms. Infections can start small and be superficial in the top layer of the skin, but could spread to a larger area if left untreated. If infections spread or enter the bloodstream, a person may feel feverish or experience flu-like symptoms.
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Causes
A fungal infection on the toes is also known as tinea pedis and is most commonly caused by fungi known as dermatophytes. Bacterial infections on the underside of the toes could be caused by a bacteria known as Corynebacterium minutissimum. Increased moisture, excess sweating and poor personal hygiene increase the risk for both types of infections and must not be ignored when initiating treatment. Systemic health conditions such as diabetes can compromise the immune system making a person more susceptible to infections as well.
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Treatment
If the infection is mild, at-home treatment may suffice. It is important to wash feet and change socks daily. Allowing shoes to air out and dry from sweat and moisture will also help. Using rubbing alcohol in between and on the underside of toes will help to evaporate and dry up excess moisture. If symptoms of infection persist, it is recommended to seek the advice of a primary care professional or BioPed Chiropodist to know what type of infection needs to be treated. Fungal skin infections respond well to antifungal treatments in the form of cream or solution. Use an antibacterial soap, cream and solutions for bacterial infections. Apply consistently, once or twice a day and choose an alcohol-based topical if moisture level is high.
