Tamarix sp. MEDICAL USES Tamarisk has been used for its astringent qualities. it has been used to treat diarrhoea and dysentery. It also has antimicrobial properties, so is good for cleaning wounds. Extracts have been found to have a positive effect on the liver’s functioning and it seems that the tree possesses anti-inflammatory properties. It has been used externally to bring relief from the pains and swellings of rheumatism. Used internally an infusion is said to boost the immune system so it can ward off colds and flu and other infections.