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Macular degeneration

This animation shows the process of macular degeneration in the eye. The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.

• Vision

Zoloft (sertraline): Mechanism, Clinical Trials, and Dosing

An overview of how sertraline works in depression, clinical study data, and general dosing tips

• Zoloft

EpiPen: How to use for Emergency Treatment of Allergic Reactions

EpiPens are used for the emergency treatment of severe allergic reactions, also called anaphylaxis. It’s available as a pre-filled, single-dose autoinjector.

What happens during obstructive sleep apnea?

Sleep apnea -- Watch this video to see how snoring and obstructive sleep apnea occur.

• Sleep Disorders

Lyrica (pregabalin): Important Precautions for Its Use

A discussion of Lyrica (pregabalin) precautions and therapy discontinuation.

• Lyrica
• Fibromyalgia
• Pain