Saridon is a combination of analgesic (止痛的) and antipyretic (退热的)
substances. Its components are carefully balanced to give rapid relief of pain
(e. g. headache, toothache, etc. ) which lasts for several hours.
Single dose: adults: 1—2 tablets; children of school age: 1/2—1 tablets.
Saridon should not be used by children under 12 unless advised by the
doctor. The single dose may be repeated three times in 24
hours. The tablets may be taken whole and washed down with
large volumes of water or other suitable liquid. Analgesics should not be taken
for prolonged (持续的) periods of time or in high doses without consulting a
doctor. Saridon is usually well tolerated. In some cases
occasional sensitive skin reactions have been observed. With
Saridon, as with other analgesics, patients should avoid taking alcohol while
under treatment, since the individual response cannot be foreseen.
The medicine should not be used after the expiry date EXP) shown on
the pack. What is the side effect of Saridon mentioned in the passage
Sensitive ______.