- HIFU (High Intensity Focused Ultrasound) - discharge advice
- High morning glucose
- High radiation
- Holistic Needs Assessment (HNA): Information for people affected by cancer and blood conditions
- Home exercises to improve strength and balance following hospital admission
- Home-acupuncture
- Hormone therapy for prostate cancer
- How to access your video appointment using MyCare UCLH with Microsoft Teams
- How to build muscle with Type 1 diabetes
- How to expand your removable brace
- How to get enough iron in your child’s diet
- How to get the help you need in hospital - Easy Read
- How we use your information
- Huntington's Disease Service - MDT Clinic
- Huntington's Disease Service - Telephone Clinic
- Hydrocele leaflets
- Hydrogen methane breath test for bacterial overgrowth - testing at home
- Hydrogen methane breath test for bacterial overgrowth – testing in hospital
- Hydrogen methane breath test for fructose malabsorption – testing at home
- Hydrogen methane breath test for fructose malabsorption – testing in hospital