📖 A–Z Diseases Encyclopedia
From Asthma to Zika — 25 common conditions with plain-language causes, symptoms, treatment and prevention. Every page carries its safety notes and red flags.
🗂️ Browse by category
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4 conditionsMusculoskeletal
Fibromyalgia, Osteoarthritis, Rheumatoid Arthritis, Gout
Read: Musculoskeletal →🤢
7 conditionsDigestive
Gastroenteritis (Stomach Flu), Norovirus, Ulcerative Colitis, Piles (Haemorrhoids)…
Read: Digestive →🔤 The A–Z table
| # | Condition | In brief | |
|---|---|---|---|
| A | Asthma | Recurrent wheezing, shortness of breath, chest tightness, and a persistent cough. | Details → |
| B | Bronchitis | A deep cough that produces thick mucus (sputum), fatigue, short breath, and mild chest discomfort. | Details → |
| C | Chickenpox | Highly itchy, fluid-filled blisters (rash) appearing over the body, accompanied by a fever and fatigue. | Details → |
| D | Diabetes | Excessive thirst, frequent urination (especially at night), unintended weight loss, and blurry vision. | Details → |
| E | Eczema (Atopic Dermatitis) | Intensely itchy, dry, red, or cracked patches of skin that may ooze fluid when scratched. | Details → |
| F | Fibromyalgia | Widespread musculoskeletal pain, chronic fatigue, sleep issues, and mood or memory changes. | Details → |
| G | Gastroenteritis (Stomach Flu) | Watery diarrhea, stomach cramps, nausea, vomiting, and occasional low fever. | Details → |
| H | Hepatitis | Jaundice (yellowing of the skin and eyes), dark urine, pale stools, severe fatigue, and loss of appetite. | Details → |
| I | Influenza (Flu) | Sudden onset of high fever, aching muscles, sweating, chills, and a dry cough. | Details → |
| J | Jaundice | Marked yellowing of the skin and whites of the eyes, which often signals an underlying liver or gallbladder issue. | Details → |
| K | Kidney Stones | Sharp, severe pain in the back and side, radiating to the lower abdomen or groin, plus painful urination. | Details → |
| L | Lyme Disease | A characteristic "bullseye" skin rash around a tick bite, fever, fatigue, headaches, and joint stiffness. | Details → |
| M | Migraine | Severe, throbbing headache typically on one side of the head, sensitivity to light/sound, and nausea. | Details → |
| N | Norovirus | Severe, sudden vomiting, watery diarrhea, painful stomach cramps, and low-grade fever. | Details → |
| O | Osteoarthritis | Chronic joint pain, stiffness (especially in the morning), swelling, and reduced range of motion. | Details → |
| P | Pneumonia | Severe cough with phlegm, high fever, shaking chills, and stabbing chest pain when breathing deeply. | Details → |
| P | Psoriasis | Thick, red patches of skin covered with silvery scales, which are itchy and sometimes painful. | Details → |
| R | Rheumatoid Arthritis | Painful swelling, warmth, and morning stiffness in symmetrical joints (e.g., both wrists or hands). | Details → |
| S | Shingles | A localized, painful, burning rash that evolves into clusters of fluid-filled blisters. | Details → |
| T | Tuberculosis (TB) | A bad cough lasting three weeks or longer, chest pain, coughing up blood, weakness, and night sweats. | Details → |
| U | Ulcerative Colitis | Frequent and urgent bloody diarrhea, persistent abdominal cramps, and weight loss. | Details → |
| V | Vertigo | A strong sensation that you or your surroundings are spinning or moving, causing loss of balance and nausea. | Details → |
| W | Whooping Cough (Pertussis) | Severe, uncontrollable coughing fits followed by a high-pitched "whoop" sound during inhalation. | Details → |
| X | Xerostomia (Dry Mouth) | Persistent dry feeling, frequent thirst, cracked lips, and difficulty chewing or swallowing. | Details → |
| Y | Yellow Fever | Sudden fever, muscle pain (particularly in the back), headache, nausea, and in severe cases, jaundice. | Details → |
| Z | Zika Virus Infection | Mild fever, red eyes (conjunctivitis), skin rash, and muscle or joint pain. | Details → |
| G | Gout | Painful inflammatory arthritis that strikes when uric acid crystals build up in a joint, often the big toe. | Details → |
| A | Anemia | A very common blood condition in which you have too few healthy red blood cells to carry oxygen around the body. | Details → |
| P | Piles (Haemorrhoids) | Commonly known as haemorrhoids, these swollen veins around the lower rectum and anus can bleed, itch and hurt. | Details → |
| C | Constipation | A very common gut problem where bowel movements are infrequent and stools are hard, dry and painful to pass. | Details → |
| H | Hypothyroidism (Underactive Thyroid) | A sluggish thyroid gland slows the whole body: constant tiredness, weight gain, feeling cold, dry skin and thinning hair. | Details → |
| P | PCOS (Polycystic Ovary Syndrome) | A common hormone imbalance in women of childbearing age causing irregular periods, excess hair growth and often weight gain. | Details → |
| E | Endometriosis | Tissue like the womb lining grows outside the uterus, causing painful periods, pelvic pain and sometimes infertility. | Details → |
| I | Irritable Bowel Syndrome (IBS) | Recurring belly cramps, bloating, excess gas, and bowel habits that swing between constipation and diarrhea. | Details → |
| I | Insomnia (Sleeplessness) | Ongoing trouble falling or staying asleep, waking too early, and feeling unrefreshed and drained during the day. | Details → |
| A | Acidity (Acid Reflux & Heartburn) | A burning sensation behind the breastbone and a sour taste when stomach acid flows back up into the food pipe. | Details → |