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”

Obstructive sleep apnea (OSA)
Osteoporosis
Overactive thyroid
Overactive parathyroid glands
Oral herpes herpes labialis (cold sores)
Orthostatic hypotension
Oral thrush
Osteoarthritis
Osteoarthritis of the hip
Osteoarthritis of the knee, gonarthrosis
Obsessive-compulsive disorder
Overweight – obesity
Obstruction of the gallbladder
Ovarian cancer
Ovarian cysts
Oral Cancer and Throat Cancer

Get informed Selected topics

Respiratory system

The air passes through the mouth and nose, down the throat, past the larynx and vocal cords, and through the bronchial tubes into the lungs.

Eyes

Eye disorders range from mild conjunctivitis to serious disorders such as glaucoma (“green star”).

Hormones

Hormones are chemical messengers and signaling molecules that regulate various processes in the body. Many hormones regulate processes that affect the entire body.

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