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Dr Sarah Mitchell

Member since June 2026

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15 Questions
20 Answers
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Questions Asked (15)

How do I know if a wound is infected?

02 Aug 2026 • 3 answers

Answers Given (20)

Based on your description — redness, swelling, and warmth at 3 days — this wound may be infected and you should see a GP or walk-in centre today, not ...

on How do I know if a wound is infected? • Score: 1

At 150/95, lifestyle changes can make a real difference. The biggest impact comes from: 1) Reducing salt to under 6g per day — check labels, processed...

on What lifestyle changes can lower my blood pressure without medication? • Score: 0

Autoimmune diseases occur when your immune system mistakenly attacks healthy cells in your body. In rheumatoid arthritis, it attacks the lining of you...

on What are autoimmune diseases and why is my body attacking itself? • Score: 3

If you are planning a family and your partner has sickle cell trait, ask your GP for a haemoglobinopathy screen. This is a simple blood test that chec...

on What is sickle cell disease and who is at risk? • Score: 4

Night shift weight gain is extremely common because your body clock affects digestion and metabolism. Practical tips: 1. Eat your main meal BEFORE yo...

on What should I eat on night shifts to stay healthy? • Score: 0

Recurrent tonsillitis — more than 7 episodes in a year, or 5 per year for 2 years, or 3 per year for 3 years — is a guideline for referral to ENT to d...

on Why do I keep getting sore throats every few weeks? • Score: 3

Always ask about the specific risks for YOUR situation, not just general risks. Also ask about the anaesthetic — general, local, or spinal — and what ...

on What questions should I ask my surgeon before an operation? • Score: 0

There is emerging research showing cold water immersion can trigger the release of endorphins and dopamine, reduce inflammation, and improve circulati...

on What are the benefits of cold water swimming? • Score: 6

Repeated overhead reaching is one of the highest-risk movements for shoulder injury. You may have developed shoulder impingement, rotator cuff tendini...

on My shoulder is agony from reaching above my head on the production line all day. • Score: 0

Easy bruising in young women is common and usually not serious. It can be caused by thinner skin, certain medications (aspirin, ibuprofen, blood thinn...

on Why do I bruise so easily? • Score: 2

With family history, I would recommend getting your blood pressure, cholesterol, and blood sugar checked annually from your 30s. The biggest modifiabl...

on Can strokes be prevented? • Score: 2

Do not ignore this. The tingling and numbness you describe are early-stage HAVS symptoms. If left untreated, you risk permanent nerve damage and loss ...

on My hands tingle and go numb after using power tools all day. Is this serious? • Score: 0

Adult-onset food allergies are well documented and becoming more common. Shellfish is actually the most common adult-onset food allergy. Your reaction...

on Can you suddenly develop a food allergy as an adult? • Score: 4

Yes, cold air exposure can trigger or worsen respiratory conditions. Cold, dry air irritates the airways, causing them to constrict. This is called co...

on Can working in cold rooms cause breathing problems? • Score: 0

Yes, Type 2 diabetes can potentially go into remission, especially if caught early. An HbA1c of 52 is only just in the diabetic range (48+). The stron...

on Can Type 2 diabetes be reversed? • Score: 4

Occasional palpitations are very common and usually harmless. They can be triggered by caffeine, alcohol, stress, anxiety, vigorous exercise, or certa...

on Are heart palpitations dangerous? • Score: 3

Night shift depression is a real and recognised condition. The lack of sunlight disrupts your serotonin and melatonin production, which directly affec...

on Night shifts are making me depressed. Is this normal? • Score: 0

This is one of the most common medical myths. Multiple studies have found no link between knuckle cracking and arthritis. The sound is caused by gas b...

on Is cracking your knuckles bad for you? • Score: 0

Burnout is more than tiredness. The three key markers are: 1) Emotional exhaustion — feeling drained even after rest. 2) Depersonalisation — feeling c...

on What are the signs of burnout vs just being tired? • Score: 5

This sounds like Raynaud's phenomenon, where blood vessels in your fingers spasm in cold conditions, cutting off blood supply. It is NOT normal and yo...

on My fingers turn white and numb in the cold room. Is this serious? • Score: 0