Valdoxan is the trade name for Agomelatine, which can indeed have GI side-effects that include diarrhoea and abdominal pain. But of course there are other possible causes for this, such a food poisoning. Best to see your own doctor to discuss this, as he can examine you and check for other possible causes. As side-effects of this drug, these symptoms are often not very severe and don't last long, but it's wise to check with your doctor.
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