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Merck Manuals Celebrates 125th Anniversary
First published in 1899, what started as a pocket-sized book for physicians and pharmacists has since transformed into a comprehensive digital medical reference for physicians and consumers alike. As Merck Manuals celebrates its 125th anniversary, it continues to uphold its commitment to providing accurate and trustworthy medical information.
4 Things to Know Before Starting – or Stopping – a Dietary Supplement
Are dietary supplements effective? Are nutritional supplements safe?Those are complicated questions without easy answers. There are so many products and substances that fall into the dietary...
Living with Multiple Sclerosis: 3 Things Patients and Families Should Know
Multiple sclerosis (MS) is a common disorder, and the journey to that diagnosis can be complex and challenging. MS is an autoimmune disease that affects the brain and spinal cord. It’s unpredictable...
Amyotrophic Lateral Sclerosis (ALS) and Other Motor Neuron Diseases (MNDs)
Motor neuron diseases are characterized by progressive deterioration of the nerve cells that initiate muscle movement. As a result, the muscles stimulated by these nerves deteriorate, become...
Systemic Lupus Erythematosus (SLE)
Systemic lupus erythematosus is a chronic autoimmune inflammatory connective tissue disorder that can involve joints, kidneys, skin, mucous membranes, and blood vessel walls. Problems in the...
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Test Your Knowledge
View AllOverview of Mental Illness
What percentage of adults experience a mental illness at some point in their life?
- Nearly 30%
- Nearly 40%
- Nearly 50%
- Nearly 60%
DID YOU KNOW...
DID YOU KNOW...
Antiretroviral Treatment of Human Immunodeficiency Virus (HIV) Infection
Medications used to treat HIV infection help only if people take the medications consistently. Missing doses enables the virus to replicate and develop resistance.
Disclaimer
Important: The authors, reviewers, and editors of this material have made extensive efforts to ensure that treatments, drugs, and discussions about medical practice are accurate and conform to the standards accepted at the time of publication. However, constant changes in information resulting from continuing research and clinical experience, reasonable differences in opinions among authorities, unique aspects of individual clinical situations, and the possibility of human error in preparing such an extensive text mean that other sources of medical information may differ from the information on this site. The information on this site is not intended to be professional advice and is not intended to replace personal consultation with a qualified physician, pharmacist, or other health care professional. The reader should not disregard medical advice or delay seeking it because of something found on this site.
