These should be brought to a head by warm poultices of chamomile flowers, or boiled white lily root, or onion root; by fermentation with hot water, or by stimulating plasters. When ripe, they should be discharged by a needle, or the lancet. But this should not be attempted until they are fully proved. Constitutional treatment. - Peruvian bark and port wine, and sea-bathing are desirable. Purgatives, diuretics, etc.