Final answer:
The client should report extremity tingling and numbness to their primary healthcare provider.
Step-by-step explanation:
Isoniazid is a medication used to treat tuberculosis. It is important for the client taking isoniazid to be aware of possible side effects and to report any concerning symptoms to their primary healthcare provider (HCP). Of the options given, the side effect that should be reported to the HCP is extremity tingling and numbness.
This could be a sign of neurotoxicity, which is a known side effect of isoniazid. It is important to address this side effect promptly to prevent any further complications.