Table 1: Temporal relationship between the muscle cramp, thyroid function and the dosage of anti-thyroid drugs for our index patient

Date   29th April
2004		   3rd June
2004		   4th Aug
2004		   7th Sept
2004		   20th Sept
2004		   19th Oct
2004		   19th Nov
2004
Muscle cramp   -   ++   ++   ++   ++   -   -
fT4 (pmol/L)   32.7   26.6   17.1   12.7   --   17.8   19.0
Drug dosage (mg/day)   CMZ
40		   CMZ
20		   CMZ
20		   CMZ
10		   CMZ
5		   PTU
50		   PTU
50