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Health A–Z
184 conditions explained, A to Z.
Symptoms
69 guides to what a symptom might mean.
Treatments
54 treatments and medicines in plain terms.
Tests
22 blood tests, scans and screening guides.
Mental health
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Women's health
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Recently reviewed
The latest guides checked by our clinical reviewers.
- Low blood pressure (hypotension)
Low blood pressure (hypotension) — what causes it, when dizziness on standing matters, and when readings below 90/60mmHg need a GP check.
- Excessive sweating (hyperhidrosis)
Why you sweat so much — everyday causes, hyperhidrosis, treatments that actually help, and the warning signs that mean sweating needs a GP check.
- Eye twitching
Why your eye keeps twitching — the everyday triggers behind eyelid twitches, how to stop them, and the rare signs that need a GP or optician.
- Mounjaro (tirzepatide)
Mounjaro (tirzepatide) is a once-weekly weight-loss injection now prescribed by GPs in England. Who qualifies on the NHS, side effects, and how to get it safely.
- Wegovy (semaglutide)
Wegovy (semaglutide) is a weekly weight-loss injection available through NHS specialist services. Who qualifies, how it differs from Ozempic, and what to expect.
- Weight-loss injections
Mounjaro, Wegovy and Saxenda compared — NHS eligibility criteria, average weight loss, GP versus specialist routes, and availability in each UK nation.
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Trustworthy health information, made for the UK
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