Cowslip

How does Cowslip work?

Cowslip contains chemicals that might thin and loosen mucus.

Are there safety concerns?

Cowslip seems to be safe for most people when used in small amounts as part of a combination product containing gentian root, European elder flower, verbena, and sorrel (SinuComp, Sinupret). There isn't enough information to know if cowslip is safe when used in medicinal amounts other than as part of the combination product. The combination product can cause digestive system upset and occasionally allergic skin rash.

Do not use cowslip if:
  • You are pregnant or breast-feeding.

Dosing considerations for Cowslip.

The following doses have been studied in scientific research:

BY MOUTH:
  • For sudden or ongoing swollen sinuses (sinusitis): a specific combination product (SinuComp, Sinupret) containing 36 mg of cowslip flower plus 12 mg of gentian root and 36 mg each of European elder flower, verbena, and sorrel three times daily.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.