To preserve the efficacy of this drug: 1) Use antibiotic only when prescribed.
2) Strictly follow the prescription.
3) Do not re-use an antibiotic without medical prescription, even if treating a similar illness.
4) Never give the antibiotic to another person, maybe it is not adapted to his illness.
5) After completion of treatment, return at the chemist's shop all unused drugs in order to achieve a suited elimination of this drug.