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Oscillococcinum®

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Oscillococcinum®
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Oscillococcinum®

SKU: OSCILLOCOCCINUM.

The moment you feel achy or run down, take Boiron Oscillococcinum and feel like yourself again. Trusted as Nature’s #1 flu medicine, Oscillococcinum has been shown in clinical studies to reduce the duration and severity of flu-like symptoms such as body aches, headache, fever, chills, and fatigue.* Easy to take, the meltaway pellets dissolve in the mouth and are recommended for everyone ages 2 and up.

Benefits and Features:

  • Boiron’s best-selling medicine worldwide, offering homeopathic multi-symptom flu relief.
  • Works best when taken at the first sign of symptoms, according to clinical studies.
  • Used for more than 80 years and available in 35 countries.
  • Non-drowsy, non-habit forming.
  • No known drug interactions.
  • Won’t mask symptoms of a more serious condition.
  • Free of artificial sweeteners, flavors, colors, and preservatives.
  • Offered in convenient single-dose tubes of meltaway pellets for home or on the go.
  • HSA and FSA eligible; available over the counter in boxes of 6, 12 or 30 doses.
  • Boiron also offers its ColdCalm® line, Chestal® cough syrup line, ThroatCalm® and SinusCalm®.
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Categories: All Products, Branded Medicines, Cough, Cold and Flu, Cough, Cold and Flu. Tags: Body aches, Boiron, Chills, Fatigue, Fever, Flu-Like Symptoms, flu-relief, Headache, Homeopathy, Oscillo, Oscillococcinum.
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  • About
  • Additional information
  • Ingredients
  • Warnings & Other Information

The moment you feel achy or run down, take Boiron Oscillococcinum and feel like yourself again. Trusted as Nature’s #1 flu medicine, Oscillococcinum has been shown in clinical studies to reduce the duration and severity of flu-like symptoms such as body aches, headache, fever, chills and fatigue.* Easy to take, the meltaway pellets dissolve in the mouth and come in convenient single-dose tubes, perfect for use at home or on the go. Used for more than 80 years, Oscillococcinum is Boiron’s top-selling medicine worldwide and is available in 35 countries. It’s recommended for everyone ages 2 and up and is non-drowsy with no known interactions with other medications or supplements. It won’t mask symptoms of a more serious condition.

Oscillococcinum is available over the counter in boxes of 6, 12, or 30 doses. Boiron also offers its ColdCalm® line, Chestal® cough syrup line, ThroatCalm® and SinusCalm®

Weight 1.9 oz
Dimensions 1.19 × 4.75 × 3.75 in

Ingredients

Active Ingredient:**
  • Anas barbariae 200CK HPUS —To reduce the duration and severity of flu-like symptoms

The letters HPUS indicate that this ingredient is officially included in the Homeopathic Pharmacopœia of the United States.

Inactive Ingredients:
  • Lactose
  • Sucrose
Uses*
  • Temporarily relieves flu-like symptoms such as: body aches, headache, fever, chills, and fatigue
Active Ingredient:**
  • Anas barbariae, hepatis et cordis extractum 200CK HPUS —Reduces the duration and severity of flu-like symptoms

The letters HPUS indicate that this ingredient is officially included in the Homeopathic Pharmacopœia of the United States.

Inactive Ingredients:
  • Lactose
  • Sucrose
Directions
  • Adults and children 2 years of age and older: At the onset of symptoms, dissolve entire contents of one tube in the mouth every 6 hours, up to 3 times a day.
  • Children under 2 years of age: Ask a doctor.
Warnings
  • Do not use if you are allergic to Oscillococcinum
  • Stop use and ask a doctor if symptoms
    • persist for more than 3 days or worsen
    • are accompanied by:
      • persistent dry cough
      • shortness of breath
      • rash
      • vomiting
      • diarrhea.
  • These could be signs of a serious condition.
  • If pregnant or breast-feeding, ask a health professional before use.
  • Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

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© 2026 Boiron USA, All Rights Reserved. This site is intended only for residents of the United States.
Always read and follow label directions.
*Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.
**C, K, CK, and X are homeopathic dilutions. Learn More.