Updated annually, this PDR reference covers the most commonly used drugs for which no prescription is required, including analgesics, cough and cold preparations, fever reducers, allergy medications, and more. In addition, this guide contains more than 25 comparison tables for quick, at-a-glance dosing and ingredient information on hundreds of products across a range of categories. Additionally, there are two sections that provide solid, authoritative information on the most common herbal medications and nutritional supplements.