A client is prescribed antithyroid therapy to treat hyperthyroidism. The client asks the nurse when a desired effect can be expected. Which of the following information would be accurate for the nurse...

A client is prescribed antithyroid therapy to treat hyperthyroidism. The client asks the nurse when a desired effect can be expected. Which of the following information would be accurate for the nurse to tell the client about the effects of antithyroid drug therapy?

1. The effects can be experienced after several weeks or more.

2. The effects can be experienced after completing at least 2 years of medication.

3. The effects are usually experienced by clients younger than 30 years of age.

4. The effects may or may not be experienced by all clients.