I have previously reported a fixed drug eruption from chlortetracycline1 and a crossed fixed drug eruption from chlortetracycline and oxytetracycline,2 which I personally experienced. I have suggested some sensitizing factor common to the two antibiotics.
WELSH AL. CROSSED FIXED DRUG ERUPTION FROM THREE ANTIBIOTICS. AMA Arch Derm. 1955;71(4):521–523. doi:10.1001/archderm.1955.01540280097024
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