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 “D”

Deep vein thrombosis (DVT)
Dengue fever
Depression
Diabetes insipidus
Diabetic foot
Diaper dermatitis (diaper rash)
Diarrhea
Diastasis recti
Diphtheria
Dislocated kneecap (patellar dislocation)
Diverticulitis (diverticular disease)
Drop in blood pressure when standing up (orthostatic hypotension)
Dry eye
Dust mite allergy
Dyshidrotic eczema

Selected topics

Man sitting on a case in a forest holding a cup from a thermos flask in his hand. He is gazing into the distance through trees with a small cloud of condensed breath in front of his face.

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.

Close-up of human eye. Fiery-colored light reflected around the black pupil. Long eyelashes extending from the upper eyelid.

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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