--- title: "Health conditions A–Z: symptoms, causes & treatment" description: "Plain-English, source-linked information on common UK health conditions — symptoms, causes, treatment options, self-care and when to get help." url: "https://www.sanarahealth.co.uk/conditions/" source: "Sanara Health" licence: "Quote with attribution and a link to the url above." --- Conditions A–Z # Understand what you're dealing with Straightforward, source-linked information — symptoms, causes, what works, and when to get help. Written by our editor from NHS and UK regulatory sources; not clinically reviewed. Search conditions Search across 28 items [Dry eye — Dry eye disease happens when your tears can’t keep the eye surface comfortable — usually because the oily laye… — Read more →](https://www.sanarahealth.co.uk/conditions/dry-eye/) [Blepharitis — Blepharitis is inflammation of the eyelid margins — crusty, red, itchy lids, often worse on waking. It’s chron… — Read more →](https://www.sanarahealth.co.uk/conditions/blepharitis/) [Weight & obesity — When weight starts affecting health — blood pressure, blood sugar, joints, sleep, energy — it becomes a medica… — Read more →](https://www.sanarahealth.co.uk/conditions/obesity-and-weight/) [Erectile dysfunction — Difficulty getting or keeping an erection affects around half of men over 40 at some point. It’s very treatabl… — Read more →](https://www.sanarahealth.co.uk/conditions/erectile-dysfunction/) [Hair loss (male pattern) — Male pattern hair loss is hormonal and genetic, affecting half of men by 50. Evidence-based treatments exist —… — Read more →](https://www.sanarahealth.co.uk/conditions/hair-loss/) [Tiredness & low energy — Persistent tiredness is one of the most common reasons people see a GP. Often it’s lifestyle and recoverable; … — Read more →](https://www.sanarahealth.co.uk/conditions/low-energy-fatigue/) [Male hormone health — Fatigue, low libido and low mood can reflect low testosterone — but many other causes exist too, which is why … — Read more →](https://www.sanarahealth.co.uk/conditions/mens-hormone-health/) [Premature ejaculation — Finishing sooner than you or your partner would like is common and treatable with prescription options and pra… — Read more →](https://www.sanarahealth.co.uk/conditions/premature-ejaculation/) [Acne — Acne affects most teenagers and many adults. Persistent or scarring acne responds well to prescription treatme… — Read more →](https://www.sanarahealth.co.uk/conditions/acne/) [Hay fever & allergies — Seasonal allergic rhinitis causes sneezing, itchy eyes and a blocked nose when pollen counts rise — very treat… — Read more →](https://www.sanarahealth.co.uk/conditions/hay-fever/) [Stop smoking — Quitting smoking is one of the best things you can do for your health, and combining behavioural support with … — Read more →](https://www.sanarahealth.co.uk/conditions/stop-smoking/) [Thrush — Thrush is a common yeast infection causing itching and discharge. It is easily treated with antifungal medicin… — Read more →](https://www.sanarahealth.co.uk/conditions/thrush/) [Genital herpes — Genital herpes causes recurrent painful blisters. Antiviral tablets shorten outbreaks and can reduce how often… — Read more →](https://www.sanarahealth.co.uk/conditions/genital-herpes/) [Period delay — Prescription tablets can safely postpone a period for holidays, exams or events — if started at the right time… — Read more →](https://www.sanarahealth.co.uk/conditions/period-delay/) [Acid reflux & heartburn — Reflux happens when stomach acid flows back into the oesophagus — causing burning, bloating and a sour taste. … — Read more →](https://www.sanarahealth.co.uk/conditions/acid-reflux/) [Migraine — Migraine is more than a headache — it often includes nausea, light sensitivity and throbbing pain on one side.… — Read more →](https://www.sanarahealth.co.uk/conditions/migraine/) [Travel health & malaria — Travel medicines prevent malaria, motion sickness and common travel-related illness — planned weeks before dep… — Read more →](https://www.sanarahealth.co.uk/conditions/travel-health/) [Cystitis & UTI — Bladder infections cause burning urination and frequent urges to pass urine — common in women and usually quic… — Read more →](https://www.sanarahealth.co.uk/conditions/cystitis/) [Eczema & dermatitis — Eczema causes itchy, inflamed skin that flares with triggers like stress, soaps and weather. Most mild-to-mode… — Read more →](https://www.sanarahealth.co.uk/conditions/eczema/) [Genital warts — Genital warts are caused by HPV and appear as small lumps or clusters. They are treatable with prescription to… — Read more →](https://www.sanarahealth.co.uk/conditions/genital-warts/) [PCOS (now called PMOS) — PCOS, which the NHS now calls polyendocrine metabolic ovarian syndrome (PMOS), affects around 1 in 10 UK women… — Read more →](https://www.sanarahealth.co.uk/conditions/pcos/) [Sleep apnoea — Obstructive sleep apnoea causes repeated breathing pauses during sleep — loud snoring, daytime sleepiness and … — Read more →](https://www.sanarahealth.co.uk/conditions/sleep-apnoea/) [Endometriosis — Endometriosis is tissue similar to womb lining growing outside the uterus — causing painful periods, pain duri… — Read more →](https://www.sanarahealth.co.uk/conditions/endometriosis/) [Jet lag — Jet lag happens when your body clock is out of sync after crossing time zones, causing poor sleep, fatigue and… — Read more →](https://www.sanarahealth.co.uk/conditions/jet-lag/) [Type 2 diabetes — Type 2 diabetes means blood sugar stays too high — often linked to weight, diet and inactivity. Many people ar… — Read more →](https://www.sanarahealth.co.uk/conditions/type-2-diabetes/) [Irritable bowel syndrome (IBS) — IBS causes recurring tummy pain, bloating and bowel habit changes — often triggered by stress, diet or gut sen… — Read more →](https://www.sanarahealth.co.uk/conditions/ibs/) [Iron deficiency anaemia — Low iron causes tiredness, breathlessness and pale skin — common in menstruating women and after blood loss. N… — Read more →](https://www.sanarahealth.co.uk/conditions/iron-deficiency/) [Vitamin B12 deficiency — Low B12 causes fatigue, pins and needles and low mood — common in older adults, vegans and people with absorpt… — Read more →](https://www.sanarahealth.co.uk/conditions/vitamin-b12-deficiency/)