If you're washing flatware in the dishwasher, take care not to spill any undiluted dishwasher detergent directly on the flatware as it may cause dark spots. When loading flatware into the dishwasher, load the stainless steel flatware away from any silver flatware to avoid damage.
A person will most often get a cold sore or fever blister on his lip. People can also get cold sores on their nostrils, chin and fingers. A cold sore lasts from 7 to 10 days.
Canker sores (Aphthous ulcers) Canker sores are not a form of herpes, however, they are often confused and mistaken as herpes. Canker sores are not considered to be contagious. Cold sores and mouth herpes on the other hand are caused by the herpes simplex virus and can be very contagious. Canker sores usually occur inside the mouth, are gray in color and have a distinct edge. The sores will usually heal within 10 to 14 days, without treatment.