Mae manylion y batshys sydd wedi cael eu heffeithio wedi cael eu rhannu â gweithwyr proffesiynol gofal iechyd. Dylai unrhyw glaf neu ofalwr sy'n poeni am ddyddiad terfynu ei EpiPen® gysylltu â'i fferyllydd neu ei feddyg teulu a fydd yn gallu rhoi gwybod a ydy dyddiad terfynu’r chwistrellydd EpiPen® penodol hwnnw wedi cael ei ymestyn.
Details of the affected batches have been disseminated to healthcare professionals.  Any patient or carer concerned about the expiry date of their EpiPen® should consult their pharmacist or GP who will be able to advise whether their EpiPen® has had its shelf life extended.