The client presents to the emergency department complaining of a migraine headache and is prescribed medication. Which scientific rationale is most appropriate for administering the medication by the...

The client presents to the emergency department complaining of a migraine headache and is prescribed medication. Which scientific rationale is most appropriate for administering the medication by the parenteral route?

1. The client requests the medication be given IVP.

2. Migraine headaches do not respond to oral medications.

3. Migraine headaches can cause nausea, vomiting, and gastric stasis.

4. The client is not as likely to develop an addiction to the medications