From A to Z Conditions
The “Conditions A–Z” overview alphabetically displays all articles about conditions together with their symptoms, causes, and treatment options. Alternatively, you can also find a specific disease description by going to the “Conditions” tab in the main menu or using the search window.
Please select the first letter of the condition you are looking for:
Conditions starting with “O”
- Obsessive-compulsive disorder
- Obstruction of the gallbladder
- Obstructive sleep apnea (OSA)
- Oral Cancer and Throat Cancer
- Oral herpes herpes labialis (cold sores)
- Oral thrush
- Orthostatic hypotension
- Osteoarthritis
- Osteoarthritis of the hip
- Osteoarthritis of the knee, gonarthrosis
- Osteoporosis
- Ovarian cancer
- Ovarian cysts
- Overactive parathyroid glands
- Overactive thyroid
- Overweight – obesity