Singapore legislation
Section 79
Section 79
Defence of drug taken for medical purposes
In any proceedings for an offence under section 76, it is a defence to prove that at the time of the act or omission alleged against the defendant, the defendant was under the influence of a drug taken by him or her for medical purposes and either that he or she took it on medical advice and complied with any directions given as part of that advice or that he or she had reason to believe that the drug might not have the influence it had.