Zostrix is for pain relief associated with shingles and diabetic neuropathy.
Zostrix is a white topical analgesic cream made from purified capsaicin, a natural extract from chili peppers. Capsaicin is believed to act on a substance in the body, which is involved in transmission of pain impulses, known as Substance P. It is believed that regular application of capsaicin (Zostrix HP) to the affected area will in time reduce the amount of Substance P in nearby nerve endings. With less of Substance P present, pain may be less intense and in some cases, there may be a cessation of pain. Zostrix works gradually.
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