In this hay fever study, 186 people were given either a placebo, low dose butterbur or high dose butterbur. . . .  When it came to the itching, sneezing, runny nose and nasal congestion of hay fever, both doses of the herb were significantly better than the placebo. And the high dose was significantly better than the low dose.

  • Arch Otolaryngol Head Neck Surg (2004;130:1381-1386)

 

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