4840 Rugby

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rugby 4840 small round white pill. What is it? ## rugby 4604 oblong white pill what is it??? thanks ## Rugby imprints were discontinued years ago, when the company was purchased by another, I think it may have been Watson, but don't quote me on that. LOL Anyway, from what I've been able to find, the one with the 4840 marking is said to have contained Cyclobenzaprine, which is a muscle relaxant, though I cannot confirm that and haven't been able to find a dosage. The FDA lists the typical side effects of this medication as possibly including nausea, dry mouth, and headache. The one with the 4604 marking is listed as having contained 400mgs of Ibuprofen, which is a nonsteroidal anti-inflammatory that's used to treat pain, fever, and swelling. The FDA lists its typical side...

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