Multidose vials have a limit on how long they can be stored after being opened or punctured; typically that limit is around 28 days. Your multidose vial may have an expiration date on the label, but that does not take into consideration the date the vial is first used, which is when the 28-day rule takes effect. Regarding a multidose vial-“Use them for single patients whenever feasible”-where i work in a family physicians clinic a great deal of vials are used and not for one patient. What lidocaine product are you referring to. ointment, gel, injection (ampoule or vial) ? Have you looked on the bottle / tube. expiry dates after opening are often on the label. When I was doing shots using a 10 ml. vial of 200 mgs / ml. it was called Depo Testosterone and I did 20 weeks from one vial never seen anying saying 28 days it's no good after first using it. Multi-dose vials are good for 30 days in the fridge after being entered. I asked about insulin (since in my clinical it's kept in the med cart) and she said that is also good for 30 days even when not in the fridge. Follow How long we can store multiple dose open vial of lidocaine hydrochloride and Epinephrine injection? Does anyone know how long a multi dose vial of Lidocaine 1% w/epi is good after it's been originally opened?? keeping opened multi-dose vials for up to 28 days, and as long as appropriate handling procedures are followed to diminish the risk of vial contamination, opened vials can be used in subsequent immunization sessions, in different sites, for up to 28 days. How long is lidocaine good for after check heart rate with digoxin it has been drawn up Home › Q & A › Questions › How long is lidocaine good one has to consider that you are drawing it up into a new container (the syringe) Prefilling and storing syringes can implicate IC, patient Prefilling and storing syringes can implicate can store a. Questions about Multi-dose vials What is a multi-dose vial? A multi-dose vial is a vial of liquid medication intended for parenteral administration (injection or infusion) that contains more than one dose of medication.Multi-dose vials are labeled as such by the manufacturer and typically contain an antimicrobial preservative to help prevent the growth of bacteria.