American Association of Clinical Endocrinologists, American Diabetes Association,
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Although advice may vary, generally cold water or cold compresses are best for shingles. Hot water may make shingle blisters worse. Heat increases blood flow and may cause further inflammation and swelling.
Taking a cool bath or using cool, wet compresses on your blisters may help relieve the itching and pain.
Ice can also provide relief for pain and itching. However it is important not to apply the ice directly on the skin or it may stick. It is also important not to leave the ice on for too long because it can cause frostbite.
Always talk with your doctor about the best treatment for your shingles.
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