In a verdant area not far from the town of Makrakomi and near the remains of ancient Fthia, the spa and springs at Platystomo are said to help relieve uric acid certain kinds of kidney stones (calcium oxalate, but not calcium phosphate), as well as gallstones and gallbladder problems. They are also good for arthritis, nutritional ailments and digestive problems such as colitis, hyperchloridia and constipation caused by bile deficiency.