RT Journal
A1 Overman WE
T1 PEnicillin and black hairy tongue
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1949
FD December 31
VO 141
IS 18
SP 1319
OP 1319
DO 10.1001/jama.1949.02910180047016
UL http://dx.doi.org/10.1001/jama.1949.02910180047016
AB To the Editor:— 
    I should like to report another case of black hairy tongue which apparently resulted from oral administration of penicillin troches. Mrs. H. H. D., age 58, was seen Oct. 21, 1949 with a chief complaint of sore throat and feverishness for forty-eight hours. The physical examination revealed moderate pharyngitis and oral temperature of 100 F. but no other significant physical findings.Medication consisted of penicillin troches, 50,000 units every three hours during waking hours, and acetylsalicylic acid, 1 tablet when required for discomfort. Three days later, after having taken 18 troches, the patient returned for check-up. The throat and temperature were normal. The tongue was noted to be normal in color. Six days later, the patient stated by telephone that after her previous return visit, sore throat had again developed and that she had purchased 24 penicillin troches and had used them according to previous directions. After