flare up

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  • verb

Synonyms for flare up

ignite quickly and suddenly, especially after having died down

erupt or intensify suddenly

References in periodicals archive ?
Layering with cotton underneath wool will decrease irritation and make flare ups less likely.
5] Some treatments are designed to be used regularly to prevent flare ups from happening, while others are used for a shorter period of time to treat a flare up and help the skin to heal.
The battle is designed to be quick, and during an inflammatory episode, CRP levels blast off, but they return to normal soon after the flare up subsides.
Speaking at a virology conference in London, Jim Scudamore warned that despite the recent allclear following the world's largest ever outbreak, the disease could easily flare up again.
The 24 listed stars are all considered "normal," like our sun, except they may flare up vigorously perhaps every 100 or 1,000 years.