Find patient medical information for Hydrocodone-Acetaminophen Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. History. The effect of grapefruit juice with regard to drug absorption was originally discovered in 1989. The first published clinical report on grapefruit drug interactions was in 1991 in The Lancet entitled Interactions of Citrus Juices with Felodipine and Nifedipine. Find patient medical information for Acetaminophen Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Levothyroxine should not be used for obesity treatment or weight loss. In euthyroid patients, thyroid hormone doses within the range of daily hormonal requirements are ineffective for weight reduction. Cautions Before Taking Magnesium. Allergies. You should always tell your doctor about any allergies you have to medications as well as other allergies including animals, preservatives and food dyes. Drug Interaction Tool Check Potential Drug Interactions. Pharmacy Locater Tool Including 24 Hour, Pharmacies. Health Solutions From Our Sponsors FDA Documents - More Information. FDA product labels provide Professional Information about drugs. This professional information presents product monographs approved by the US Food and Drug Administration (FDA) and compiled by drug manufacturers. Below is a comprehensive list of questions recently answered by ConsumerLab.com. If you would like to ask us a question, please post it on our Facebook page or send us an email. Compare Drugs. See how your medications stack up against each other. View side-by-side comparisons of medication uses, ratings, reviews, prices, FDA alerts, side effects, drug interactions, approval dates, classification, generic availability and more. Whenever you pick up a prescription medication, you may notice little stickers on the bottle that say “Take on an empty stomach” or “Take with food.”.