Scarlet Fever

Alternate Name: Streptococcal Throat

Test:

Throat swab M/C/S (+), ASOT (RT), ESR (H), WCC (H)

Sign:

Circumoral pallor, strawberry tongue, tachycardia

Dd:

Viral URTI, Vincent's angina, thrush, infectiousmononucleosis, diphtheria, rubella, measles, drug eruptions, agranulocytosis, roseola infan­turn, Stevens-Johnson syn.

Phys:

0-Haemolytic streptococcal infection of upper re­spiratory tract. Rash due to erythrogenic toxin