Taking a hair, skin or nail supplement? Learn why biotin can distort some blood tests and what to tell your clinician before testing.

What MCV measures, why it can be high or low, and which other blood results help explain it. Doctor-led blood testing and results review in London.

Insurance is built to pay for hospital treatment. A private GP membership gives you a doctor you can actually use. What each covers, what each leaves out, and who needs which.

Group PMI renewals are rising by 20% or more. Group cover also leaves GP-level care outside it. What employers can add for leaders and teams.

UK citizens living overseas are not automatically entitled to free NHS hospital care. What a London membership gives expats, and what it is not.

Creatine supplements often raise creatinine without harming your kidneys. Here is how to tell, and which test gives a clearer answer.

A high ferritin result often reflects inflammation, fatty liver or alcohol rather than iron overload. Here is how doctors tell the difference.

Finger-prick or venous blood test? What a 2026 UK study and earlier research show about accuracy, which markers suit each method, and doctor-led venous panels from £350.

Long-haul flights and DVT: the real risk, who needs compression stockings, warning signs after flying, and pre-travel assessments from a London GP.

Altitude sickness symptoms, prevention and when to turn back. How fast to ascend, emergency warning signs, and pre-travel reviews from a London GP.

Get a private COVID vaccine or autumn booster in London. Who needs the 2026 booster, side effects, cost, and same-day appointments at our Marylebone clinic.

Get your private flu jab in London this week. Who needs the 2026 flu vaccine, what it costs, side effects, and same-day appointments at our Marylebone clinic.

Yellow or green discharge, stinging when passing urine, or no symptoms at all: gonorrhoea is common and curable with a single injection. Testing, treatment and partner advice from an online GP today.

Painful blisters or ulcers that keep coming back could be genital herpes. Symptoms, same-day swab testing, NICE-recommended antiviral treatment, and how an online GP can start treatment today.

Wave-like loin-to-groin pain, nausea and blood in the urine usually mean a kidney stone. Symptoms, emergency red flags, NICE-recommended treatment, and how a same-day GP visit gets you pain relief and the right scan.

Most people with chlamydia have no symptoms at all, which is why testing after unprotected sex matters. Here are the signs, the simple test, and the short treatment that clears it.

Seeing blood in your poo is frightening, but the most common causes are piles and small tears. What the pattern means, the symptoms that need prompt assessment, and the test that settles it.

Tonsil stones are harmless, very common, and the most frequent cause of bad breath mouthwash never fixes. How to clear them safely and when to see a GP.