Further tests are required to validate this herb's long history of use for painful inflammatory conditions. Not Cure Don't expect immediate results from feverfew. It can take anywhere from two weeks to two months to notice any effects, but the effects are cumulative. This is migraine abatement for the long haul. There are a few ways to take feverfew.
Many people simply chew a few fresh leaves each day.
However, in people sensitive to the herb, this can cause irritation of the mouth, tongue and lips. Some herbalists suggest wrapping the leaves with a piece of bread or tortilla to minimize contact with sensitive mucous membranes. If chewing fresh leaves causes irritation, look for a reliable brand of capsules. Herbalist James Duke, Ph.D., suggests a daily range of 60 to 380 mg. However, parthenolide has not been conclusively identified as the active constituent.