I itch all over but I don't have any rashes. What can it be?

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1 Answer

These messages are for mutual support and information sharing only. Always consult your doctor before trying anything you read here.

Itching and rashes are symptoms that seem to go together. However, it is possible to experience itchy skin without having a visible rash or any noticeable skin changes. There are many conditions that can lead to it, including:

Dry skin, or xerosis, is a very common complaint. The skin can start to feel itchy when it loses moisture.

Bug bites such as mosquito, spider, and other bug bites can make skin around the bite feel itchy and no a visible rash.

A side effect of certain medications. Itchy skin is a common side effect of many medications (prescription pain relievers in the opioid category, such as acetaminophen, morphine, and fentanyl as well as some medications that lower blood pressure) which can occur with or without a rash.

Nerve disorders. Nerves relay messages from the skin to the brain. Problems with the nerves can cause itchiness or pain on the skin without causing any actual damage to it. Several nerve related conditions can cause itching or other sensations on the skin without causing a rash. These conditions include:

  • stroke
  • diabetes
  • postherpetic neuralgia, a complication of shingles

Other problems: Kidney disease, Liver disease or skin cancer.

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