Oscillococcinum® (o-sill-o-cox-see-num) is safe, natural. Clinical studies show it help to reduce both the duration and the severity of flu-like symptoms. Non-Drowsy. No Side Effects. No Drug Interactions. Works Naturally with your body. Homeopathic. Main Indication: temporarily relieves flu-like symptoms such as body aches, headache, fever, chills and fatigue.