to fail after a good start, to end in failure
The party began to fizzle out at midnight after many people went home.
Best Foods to Eat If You Start Feeling Sick
Having now appeared on heaps of grocery shelves, echinacea is most commonly consumed as a tea or supplement. But beware scientists have not found conclusive evidence the herb helps with sickness and it can even have a side effect of an upset stomach. It has been shown, though, to boost white blood cell count which can help your body fight off infection.