Final answer:
A pharmacist may renew a prescription without the original document by obtaining approval from the original prescriber, provided the prescription is not expired.
Step-by-step explanation:
When a pharmacy does not have the original prescription, a pharmacist can still renew a prescription under certain conditions. One critical factor is that the pharmacist must generally contact the original prescriber for approval. This is to ensure the continuation of medication is appropriate and safe for the patient. Additionally, the prescription must not be expired. Pharmacists, being well-versed in both chemistry and biology, understand the implications of drug effects on the body and are crucial in advising on medication use. However, they must adhere strictly to legal and medical guidelines when dispensing medications, including those related to prescription renewals.