The Merck® Manuals

A trusted source for medical information avaliable free online

The Merck® Manual - 2nd Home Edition

Explains disorders, who is likely to get them, their symptoms, how they're diagnosed, how they might be prevented, and how they can be treated; also provides information about prognosis.

• English
• Spanish
• Chinese
• Japanese

The Merck® Manual of Diagnosis and Therapy

The world's most widely used medical textbook

• Spanish
• Chinese
• Japanese

The Merck® Manual of Geriatrics

A comprehensive review of geriatric medicine and care of the elderly

• English
• Spanish