What Is PMDD? Symptoms, Causes and Treatment
PMDD is a severe form of PMS that brings intense mood and physical symptoms in the week or two before a period. It affects a small but significant number of…
Health reference · plain English · since 2017
Look up a symptom, a fear or a feeling.
276 guides on anxiety, depression, women’s health, phobias and everyday conditions, built on NHS, CDC and NIH guidance.
Browse by topic
Full Health A–Z →Latest guides
Every guide →
Tab 05 · Tools
Free self-checks and calculators
Everything is worked out in your browser. Nothing you type is stored or sent.
All tools- Depression & Anxiety Self-Check (PHQ-9, GAD-7)PHQ-9 + GAD-7 · 3 MIN
- Phobia Finder: What Is My Fear Called?45 FEARS · 5 QUESTIONS
- Period & Ovulation CalculatorNEXT 6 CYCLES
- Perimenopause Symptoms ChecklistPRINTABLE FOR YOUR GP
- Pregnancy Due Date CalculatorLMP · CONCEPTION · IVF
- BMI CalculatorKG · LB · STONES
- Guided Breathing ExerciseBOX · 4-7-8 · SLOW
- Symptom Guide16 SYMPTOMS · RED FLAGS
Global Health Watch
Outbreak map and all reports →Dengue
Level 1 - Global DengueYellow fever · Burkina Faso, Ghana
Level 2 - Yellow Fever in Burkina Faso, Côte d’Ivoire, and GhanaEbola · Democratic Republic of the Congo, Nigeria
Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo, Kenya and NigeriaYellow fever
Yellow fever - WHO African Region
Sourced
Guides link the NHS, CDC, NIH, WHO and journal pages they are built on.
Dated
Every guide shows when it was published or last really updated.
Private
Tools run on your device. Nothing you type into them is stored.