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Dermatological Foot Conditions in Brighton, MI

Skin and nail conditions on the feet are incredibly common — and more treatable than most people realize. Whether you’re dealing with something cosmetic or something that needs immediate attention, our doctors can diagnose and treat a wide range of dermatological foot conditions right here in our Brighton office.

Conditions We Commonly Treat

Fungal Nails

Yellow, thick, or discolored toenails are a telltale sign of a fungal infection — and while it can feel embarrassing, it’s one of the most common conditions we treat. Early treatment matters, as the infection can spread or cause permanent nail damage if left alone.

Treatment

Treatment depends on the severity of the infection and may include:

Symptoms and Diagnosis

The first sign is usually discoloration — yellowing or white spots under the tip of the nail that deepen over time. Nails may become thickened, brittle, crumbling, distorted, or detached. When a fungal infection is suspected, Dr. Castelein may clip a small piece of the nail for lab confirmation. It’s also common for fungal nails to appear alongside athlete’s foot, and both conditions should be treated at the same time.

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Athlete’s Foot

Athlete’s foot (tinea pedis) is a fungal skin infection that typically affects the feet and the skin between the toes. It spreads through direct skin contact or contaminated surfaces and thrives in warm, dark, moist environments — making locker rooms, gym showers, and tight-fitting shoes common culprits.

Symptoms and Treatment

Symptoms include itchiness, burning, peeling, cracking, or blistering — most often between the toes. Dr. Castelein will treat the infection and provide guidance on preventing recurrence. Treatment options include:

Corns & Calluses

Calluses are thickened layers of skin that form in response to repeated friction or pressure — often where the foot rubs against a shoe or the ground. While some are painless, others develop painful nerve endings or bursal sacs underneath, causing sharp or dull discomfort.

Corns are a type of callus that form on top of the toes, caused by the toe’s knuckle pressing against the shoe. Poorly fitting footwear and hammertoes are the most common culprits.

 

Treatment

If your corn or callus is causing pain, Dr. Castelein offers a range of treatment options including:

Areas of Concern for Cancer

Skin cancers of the foot and ankle can look different from those found elsewhere on the body. Common types include Basal Cell Carcinoma, Squamous Cell Carcinoma, and Malignant Melanoma. If Dr. Castelein identifies a concerning area, a soft tissue biopsy can be performed right in our clinic — a minimally invasive procedure where a small tissue sample is sent to a lab for diagnosis.

If the biopsy confirms a malignancy, surgical excision may be necessary. Dr. Castelein performs this outpatient procedure in a hospital or surgery center, with a focus on achieving a good cosmetic result while ensuring complete removal. Advanced wound care products and plastic surgery techniques are used to support healing and help patients return to normal life as quickly as possible.

Dealing With a Skin or Nail Concern?

Don’t wait on something that’s bothering you — many dermatological foot conditions are quick and easy to treat when caught early. Book online or call us today.

What Our Clients Think

Client Testimonials

Julie
I'm so happy to have found Brighton Foot And Ankle in Brighton. The office staff and assistant are very pleasant. Dr. Bryant Castelein is a great knowledgeable Dr. Who has eased my worry over my medical condition. Plus he's handsome. I would highly recommend this practice for anyone needing podiatry help.
Amy
What great people to help you! From receptionist to doctor, they are top notch! You would not regret going here for any of your foot/ankle problems, they will fix you up with the utmost care and compassion.
Yo K
Dr. Castelein and staff were friendly, knowledgeable , efficient and took the time to get to know me and understand my medical needs. I would not hesitate to go to Brighton Foot & Ankle. They go out of their way to treat their patients like family.
Robert
Dr. Castelein is great; he is very nice, patient, and professional. His staff is also excellent and friendly. It's only been about three hours since having my big toenail removed and, with acetaminophen and ibuprofen, there is very little pain(sometimes I completely forget about it); he did an excellent job. Overall, I am very impressed with Dr. Casteleins Practice and I would highly recommend his office.
Joseph
Doctor & staff were so professional, friendly & efficient. I had a high risk condition that they expertly guided me through 5 months of healing. Thankfully a full recovery. I give them my best recommendation.
Lexi
Very friendly and accommodating front desk staff. Dr. Castelein and Jennifer always take their time and do an amazing job! Great variety of quick pick up over the counter products that are always affordable too. Best experience I have had at an office.
Christena
Dr. Castelein is very friendly and extremely knowledgeable in his field. During my visit he did a great job explaining my situation and was very encouraging of any questions. I never felt rushed and I believe to have received the best care possible. Highly recommend this doctor and this facility.
Nicole C
Excellent staff and exceptional doctor. I went in with Bunion issues. Dr. Castelein listened to my concerns and addressed my options. 4 days post-op bunion surgery I can say he did an amazing job. Best experience I have ever had. I would definitely recommend; I promise you won't look further.
Ashley
The staff and Dr. Castelein are all amazing. They are polite and very respectful. I came to see them in 2019 for bunion and hammer toe issues among some others. Dr. Castelein and his assistant listened to my concerns and gave me my options. He explained everything to me in detail and all my questions were answered.. I have seen other podiatrists and he is beyond the best. I would recommend him to anyone.
Alex
Friendly staff and intelligent doctor! I went in for some ankle X-rays and was given a great strategy on the different ways to heal my ankle, and how to progress forward if less invasive treatment doesn't help. I would highly recommend them to anyone with foot or ankle problems!