Diazepam, also known as Valium, is used to treat anxiety and insomnia. But when combined with opioids, it can suppress breathing and cause death. Universal Images Group/Getty Images hide caption

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Xanax and Valium, prescribed to treat anxiety, mood disorders and insomnia, can be deadly when mixed with other sedatives. Dean812/Flickr hide caption

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Risks Of Popular Anxiety Drugs Often Overshadowed

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