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Koplik's spots
System: General & Eye–Ear Signs · All general & eye–ear signs
What it is — and how it is elicited
Tiny white or bluish-white grains on a red base, seen on the inner cheek opposite the molars, appearing a day or two before the measles rash.
What a positive finding suggests
Associated with measles (rubeola) in its prodromal phase.
◈ Behind the name
Henry Koplik (1858–1927), American paediatrician.
Related signs — General & Eye–Ear Signs
Browse the K section of the A–Z list or return to the Clinical Signs hub.
Please note: This page is an educational reference about clinical examination signs. A clinical sign supports — and never replaces — a full clinical evaluation, examination and appropriate testing. A sign being present does not by itself prove a diagnosis, and an absent sign does not rule one out. If you have symptoms that worry you, see a health professional.