it should not be a problem. he has not been taking it long enough for a physical or psychological dependence. it is always best to check with his doctor however who may want to decrease his dose rather than stop it. pain specialists often have there own method of management.
can a cancer patient quit methadone after 3 days without harmful side effects? . my uncle has stage 4 lung cancer and has been on many pain meds. the dr switched him to methadone and this is obvoiously the wrong drug for him. he is unable to feed himself and not with it. can we safely take him off of it after only 2 1/2 days of taking it without him having harmful side effects? .