Hibiscus is used for treating loss of appetite, colds, heart and nerve diseases, upper respiratory tract pain and swelling (inflammation), fluid retention, stomach irritation, and disorders of circulation; for dissolving phlegm; as a gentle laxative; and as a diuretic to increase urine output.

Who should not drink hibiscus tea?

And as I said before, don’t drink hibiscus tea if you’re on medication for blood pressure or blood sugar. The combination of both can lower either one too much.

Is hibiscus good for diarrhea?

In fact, one test-tube study found that hibiscus extract inhibited the activity of E. coli, a strain of bacteria that can cause symptoms like cramping, gas and diarrhea ( 19 ).