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Blog
I welcome interesting clinical cases you think might fit here, or any suggestions for subjects you would like to hear more about.


Why do feet itch?
Itch (pruritus) is a common symptom, often frustrating for the patient making life difficult as they may be unable to sleep, relax or work. In some cases, itch can be debilitating as a painful condition. In this blog, I will look at a range of conditions that may present as itching primarily of the feet.

Ivan Bristow
Aug 317 min read


Ceramides - the future of emollients?
Ceramides are a specific group of lipids known as sphingolipids – long fatty acid chains with an amide bind and a waxy texture (“cera”-meaning wax in Latin). They are amphipathic meaning they have hydrophilic (water attracting) and hydrophobic (water repelling) components within their structure.

Ivan Bristow
Aug 317 min read


The Ups and Downs of Dermatoglyphics
The simple dermatoscopic observation demonstrates lesions that should be referred/biopsied to rule out melanoma.

Ivan Bristow
Aug 56 min read


Why is my toenail lifting? Onycholysis!
Onycholysis is a common nail condition observed by podiatrists and other healthcare professionals, but it is seldom discussed as a single entity. This blog explores the various diagnoses that can lead to lifting of a single nail – monodactylic onycholysis. Why? As this article uncovers, monodactylic disease can be the presenting sign of nail malignancy, a condition which is often delayed in diagnosis due to their rarity.

Ivan Bristow
Aug 58 min read


Does fungal nail infection get better on its own?
A question which many patients ask - can my fungal nail infection clear by itself?

Ivan Bristow
Jul 53 min read


Foot Eczema and Alitretinoin
Alitretinoin has been shown to be effective at managing eczema affecting the feet.

Ivan Bristow
Jul 55 min read


Don’t misdiagnose melanoma in diabetes - The new U.L.C.E.R acronym
The ULCER acronym can help clinicians to recognise a melanoma disguised as a diabetic foot ulcer

Ivan Bristow
Jun 33 min read


The risk of liver damage with oral terbinafine – putting it into context.
Comparing flucloxacillin with terbinafine, which holds the greater risk for liver injury? It’s tempting to say terbinafine given the public knowledge and general perception but in fact it’s not, by some considerable margin.

Ivan Bristow
Jun 34 min read


DERMfoot 2026 open for booking!
Following on from previous posts, I am pleased to announce that DERMfoot 2026 is confirmed and open for booking. Saturday 17th October Leonardo Royal Hotel Godstow Road Oxford OX2 8AL The event is a collaboration between the Primary Care Dermatology Society and the Dermatology in Podiatry Specialist Advisory Group at the Royal College of Podiatry. For 2026, we have a line up covering topics including dermoscopy (from one of the worlds leading experts), paediatric skin conditi

Ivan Bristow
May 91 min read


The World Congress in Dermoscopy
The world Congress in Dermoscopy is heading to Lyon, France in 2027. All skin care professionals are welcome and join in this three day event.

Ivan Bristow
May 51 min read


Infective Intertrigo - a step on from tinea pedis
Infective intertrigo is a mixed bacterial and fungal infection found between the toes causing redness, pain an swelling

Ivan Bristow
May 57 min read


The secret side of GLP-1 weight loss drugs and the skin
GLP-1 weight loss drugs have a proven track record in assisting weight loss but they also have benefits in dermatology too - as this blog explores.

Ivan Bristow
Apr 74 min read


Psoriasis is associated with vascular disease
Psoriasis has many associated conditions. Vascular disease is one of them. This blog examines the link and implications.

Ivan Bristow
Apr 76 min read


The Business of Podiatric Dermatology
A preview of the upcoming dermatology and business day in Swindon for podiatrists.

Ivan Bristow
Apr 73 min read


Eccrine Poroma and its malignant variant
Eccrine poroma and its malignant form are lesions which may occur on the foot.

Ivan Bristow
Mar 15 min read


Tinea pedis - an occult disease?
Tinea pedis is very common but much of it may not be recognised due to subtle symptoms.

Ivan Bristow
Mar 17 min read


Review of the new HEINE DELTA X dermatoscope
This is a review of the new HEINE Delta X dermatoscope.

Ivan Bristow
Jan 304 min read


Why do feet smell?
A common question from patients to podiatrists are “how do you put up with all those smelly feet?” reflecting the belief that foot odour is a common issue. In truth, as most podiatrists know, most feet don’t really smell – but a few do! This article examines the science behind smelly feet and its management.

Ivan Bristow
Jan 307 min read


The "CUBED" App - a tool to assist UK podiatrists.
The CUBED App is a tool developed for use by UK podiatrists to support decision making when assessing lesions on the foot.

Ivan Bristow
Dec 31, 20255 min read


Scabies - mite it be a problem on the foot?
Scabies is on the rise again. How does it present on the foot?

Ivan Bristow
Dec 31, 20257 min read
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