Hepar sulph has traditionally been used for symptoms associated with cold sores, herpes and eczema with suppuration. It may also be useful for the symptoms of croup or a barking rattly cough with yellowy mucous. This remedy may have an action on the nerves, connective tissues, respiratory membranes and the glands of the body. It may be useful for conditions associated with the skin and mucous membranes. There is an oversensitivity to pain, touch and cold. The slightest draft can bring on a cold or croup symptoms. They like to be well wrapped up and are very chilly.