Polpola (Aerva lanata) leaves and inflorescences of the plant.
 In traditional medicine the plant is used in cough, strangury (slow to be and painful discharge of urine), headache and urolithiasis. Pharmacological studies reported diuretic, anti-inflammatory, hypoglycemic, anti-diabetic, antiparasitic, antimicrobial, hepoprotective, anti-urolithiasis, antiasthmatic, antifertility and hypolipidemic properties of Aerva lanata. Due to its pronounced anti-inflammatory effect, the tea is used in the treatment of prostatitis, pyelitis, inflammation of the appendages, urinary tract, bladder.
To prepare a medicinal tea is enough 1 tbsp. spoon pour 1 cup of boiling water.