DR MARTIN SCURR answers your health questions

How to tackle heel pain and get back on your feet: DR MARTIN SCURR addresses your health issues

My wife is a keen walker, but has not been able to walk for months due to heel pain. Her doctor and podiatrist both suggested plantar fasciitis, but it does not hurt in the typical area, and she has not responded to treatment. She is 67.

Peter Goode, via email.

Heel pain, as your wife has found, can be a troublesome and disabling condition.

The most common causes are plantar fasciitis — inflammation of the band of tissue that runs across the bottom of the foot, causing pain around the heel and arch — and Achilles tendon pain, triggered by inflammation of the tendon at the back of the heel.

Diagnosis of these conditions is usually straightforward, as the pain tends to follow a specific pattern for each. From your longer letter, it sounds as though your wife’s pain is just outside of the typical area for plantar fasciitis.

Investigations, including ultrasound imaging, have confirmed that your wife has thickening of the Achilles tendon, which suggests there is some inflammation there. 

My suggestion is that the pain is due to a fat pad contusion, triggered by the breakdown of the protective fat pad underneath the heel, which normally acts as a shock absorber

You say she has received extracorporeal shockwave therapy, where a device transmits sound waves through the skin of the foot, to increase blood flow to the affected area. 

The idea is that this helps reduce inflammation. Studies have shown that this can be effective for plantar fasciitis and Achilles tendinopathy — however, it wasn’t successful for your wife.

My suggestion is that the pain is due to a fat pad contusion, triggered by the breakdown of the protective fat pad underneath the heel, which normally acts as a shock absorber.

This can happen as a result of overuse or an injury, and may cause persistent pain, especially during long periods of standing or walking.

The periosteum (the membrane covering the bone, which contains sensory nerves and blood vessels) may also be less protected, which could be causing your wife’s pain. 

This is a less common diagnosis and has no definitive treatment but, in the few cases I have seen it, does ultimately settle.

At times, a doughnut-shaped heel pad, available from your chemist, might be of greater value than a full heel pad (you mention your wife wears insoles). Two or three weeks of non-weight-bearing may also help.

This is not an evidence-based suggestion, but it would be worth raising these diagnoses with your wife’s doctor.

I am worried about high ferritin levels in my blood — 790 or higher, compared to normal levels of below 400. I have had an ultrasound; what other tests do you recommend to rule out hidden illnesses?

Joe Seet, Sidcup, Kent.

The good news is the tests you detail — an ultrasound of the abdomen and specialised blood tests — would have ruled out any serious diseases.

Ferritin is a protein in the blood that carries iron. A raised level (usually over 400ng/ml in men and 300ng/ml in women) may indicate an overload of iron, but it can also be due to inflammation, for example.

This can be caused by a number of conditions, including metabolic syndrome (a combination of diabetes, high blood pressure and obesity) and kidney failure, as they cause inflammatory responses. In rare cases, cancer can raise ferritin levels — however, the figures tend to be far higher than yours.

Increased iron absorption may be the result of hereditary haemochromatosis, caused by a faulty gene. In your case this is a possibility, and can be looked into with an additional blood test, the transferrin saturation test. This is available with help from your GP.

Liver disease can also lead to an increase in ferritin, as damage to liver cells will release stored iron into the circulation.

If your latest blood tests have excluded liver disease, then it is likely that your raised levels are due to inflammation or infection. This can be confirmed with further blood tests that examine a compound called C-reactive protein (CRP).

Write to Dr Scurr

Write to Dr Scurr at Good Health, Daily Mail, 2 Derry Street, London W8 5TT or email [email protected] — include your contact details. 

Dr Scurr cannot enter into personal correspondence. Replies should be taken in a general context and always consult your own GP with any health worries.

Some one million people in the UK are thought to regularly use cannabis to treat their medical condition.

The use of medicinal cannabis was legalised in the UK in 2018, but NHS prescribing is limited to tightly defined conditions, such as rare forms of epilepsy.

Patients can get private prescriptions for conditions such as pain and anxiety, but this can be costly and access is limited to a handful of clinics. Many people therefore use illegal supplies and risk arrest.

Now a patient who uses cannabis to treat her chronic pain has set up a scheme, Cancard, whereby you pay £20 for a photo ID card that says you are using cannabis for medical purposes only, to help you avoid prosecution if questioned by a police officer.

But while it’s been reported that the Police Federation has endorsed the scheme, what we really need is robust evidence for the wider use of medicinal cannabis, driven by proper science and not law and order concerns. I suspect there will be myriad benefits proven, but the ‘tail wagging the dog’ approach is not right.

Some one million people in the UK are thought to regularly use cannabis to treat their medical condition

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