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Itching with no rash: what is worth testing

Itching with no rash: what is worth testing: one rich hub plus ~12 cause pages, because the search is almost always "my skin itches and there is nothing to…

This guide is general education, not a diagnosis or an individual treatment plan. Urgent, severe or worsening symptoms belong with the local emergency service or a qualified clinician.

What this guide covers

One rich hub plus ~12 cause pages, because the search is almost always "my skin itches and there is nothing to see": dry winter skin (the commonest by far in a heated northern flat), iron deficiency, thyroid, cholestasis and liver, kidney disease, medication, senile xerosis, scabies (which does have signs, in the finger webs, and is missed for months), the itch-scratch cycle at night, and the pregnancy itch that must be checked the same week.

Each section states which blood test a doctor would normally look at and when the itch is a reason to be seen rather than moisturised.

How to use it

Start with the description that most closely matches your question about Itching with no rash: what is worth testing. Use the evidence section to understand what is known, then use the boundary section to decide when self-education should stop and clinical care should begin.

The page keeps the main question, its evidence base and its limits together in one canonical place. That makes it useful as a quick orientation and avoids splitting a broad subject into shallow pages before each narrower answer has enough verified material of its own.

Search vocabulary in four languages

Terminology changes across borders. These are example phrases people use for the same subject in Estonian, Finnish, Russian and English; they are included as a practical vocabulary aid, not as hidden keywords.

Ways to describe this topic
Language	Example phrase
Estonian	keha sügeleb ilma lööbeta
Estonian	öine sügelus põhjused
Finnish	iho kutiaa ilman ihottumaa
Russian	чешется тело без сыпи причины
English	itching all over no rash causes

Evidence and provenance

The evidence map below records the primary, official or openly licensed material chosen for this guide. It is deliberately visible so a reader can tell the difference between a rule published by an authority, a measured dataset and an editorial explanation.

Source: European S2k guideline on chronic pruritus (JEADV, open access), IFSI classification of chronic pruritus (Acta Derm Venereol, published), NICE CKS itch (official, cited). · checked 2026-09-09

Source names are preserved even where an authority changes its web address. No figure is added to this launch page unless it is already present in the cited source description or can be computed from a named dataset.

Scope and boundaries

/skin and /eczema cover itch that comes with a visible rash; this is the rash-free kind, which is a different search and a different workup.

Connected TempoLife guides

The following paths are the intentional hand-offs named in the brief. They keep adjacent subjects separate while making the next useful reference easy to find.