Final answer:
Avoid aspirin and NSAIDs, consider acetaminophen and caffeine, exercise caution with herbal products.
Explanation:
Aspirin and NSAIDs, such as ibuprofen, naproxen, and aspirin itself, should be avoided by a patient on warfarin therapy for headaches.
Although acetaminophen is generally safe to use for headaches in this scenario, caution should be taken with herbal products like gingko due to potential interactions.
Caffeine does not have interactions with warfarin and can be considered for headache relief.
Learn more about Warfarin therapy and headache medication interaction here:
https://brainly.com/question/43958831
