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Claim 31 · Skin

Fish and milk: "eating them together causes white patches".

A fish and a glass of milk, with a dashed line that stops well short of a pale skin patch A fish and a tall glass of milk sit on the left. On the right is the outline of a pale, irregular skin patch. A dashed line sets out from the milk towards the patch and stops halfway: no study links eating fish with milk to white patches (vitiligo), which come from the immune system attacking pigment cells.

As forwarded

"Never drink milk after eating fish. It causes white patches on the skin."

Common family advice repeated in forwards. Specific Indian version with URL and reach: not available. Reach not available

Verdict

Unsupported

Vitiligo happens when the immune system damages the skin's pigment cells; it is linked to genes and other autoimmune conditions, and dermatologists find no proven link with diet, so fish with milk does not cause it.

How we reached this verdict

What the evidence says

Established

Vitiligo happens when there are not enough working pigment cells (melanocytes) in the skin. The most common type is thought to be an autoimmune condition, where the immune system attacks those cells. [S1][S2]

Established

Risk factors are a family history of vitiligo or other autoimmune conditions, and having another autoimmune condition such as thyroid disease. Skin injury can trigger new patches. [S1][S2]

Established

On diet. The British Association of Dermatologists states there is no proven link between vitiligo and diet. [S2] Vitiligo is not caused by an infection and cannot be caught from someone. [S1]

How this verdict was reached

  1. The forward

    Taken exactly as it circulates, not as a summary of it.

  2. The evidence

    2 sources from the four tiers, strongest first.

    • Tier 2 · 2
  3. The line

    Nothing below tier 4 is counted; every source here is graded.

  4. The verdict

    Unsupported Every evidence sentence above links to its source. Not reviewed by a doctor; a sourced guide, not medical advice.

What to do instead

  1. If pale or white patches appear, see a doctor or dermatologist: some look-alike conditions are easily treated. [S1]

  2. Ask about treatment options, which can include creams, light therapy and skin camouflage. [S1][S2]

  3. Protect pale patches from the sun; they burn easily. [S2]

  4. There is no need to avoid eating fish and milk together because of vitiligo.

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Sources

  1. S1
    NHS. Vitiligo.Tier 2 · page current; checked 5 November 2026
    nhs.uk/conditions/vitiligo
  2. S2
    British Association of Dermatologists. Vitiligo patient information leaflet.Tier 2 professional body · April 2026
    skinhealthinfo.org.uk/wp-content/uploads/2018/11/Vitiligo-PIL-April-2026.pdf

Tiers are as graded in the research file; where the file left a source ungraded, the editor graded it against the four tiers. "Circulation only" sources document that a claim circulates and are never cited as evidence. Where a primary paper could not be opened, the page says so in the Honest note.

Reviewed by

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