Bhaisajyaguru holds a medicine jar in his left hand and a small arura fruit in the other.
Arura (often called ‘myrobalan’, which is a generic term referring to various plants) is used in Tibetan medicine for its healing properties. The above figure holds a particularly large fruit. On most sculptures the fruit looks like a large seed in the palm of his hand.
He normally has a raised urna on his forehead (which is meant to be a lock of hair, not a third eye).