Please choose the correct ending to complete the given sentence: Health: [header] How to relieve a hypertension headache [title] Take an over-the-counter pain reliever. [step] Either ibuprofen or acetaminophen are good options and readily available at any pharmacy. As soon as you feel a headache developing, take the maximum dosage allowed on the label.

Ending1: Never get aspirin directly from your doctor. [substeps] Look for over-the-counter medication containing anxiety-relieving ingredients. Ending2: [substeps] If you aren't sure which kind of ibuprofen is right for you, consider heading to the counter for an over-the-counter pain reliever. [title] Try acetaminophen if you have hypertension. Ending3: Try not to exceed the maximum dose indicated by the bottle. Excessive doses can wreak havoc on your nerve endings and cause a headache to occur. Ending4: Then, repeat the dosage, as directed, until the pain subsides. Experiment with various otc medications to see which one works the best for you.

Answer format: ending1/ending2/ending3/ending4