GALPHARM Cystocalm (Sodium Citrate) Relief from Cystitis Cranberry Flavour SACHETS 6's are for the relief of the symptoms of cystitis in women. Cystitis is an inflammation of the bladder, which causes painful irritation and an unpleasant burning sensation when passing water. This medicine provides relief by making the urine less acidic. Dissolve the contents of each sachet in 200ml (7 fluid ounces) of fresh drinking water and drink straight away.