Write the next sentence in this paragraph:

How to relieve a hypertension headache
Take an over-the-counter pain reliever.
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.

Choices:
[I] Never get aspirin directly from your doctor. Look for over-the-counter medication containing anxiety-relieving ingredients.;
[II] 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. Try acetaminophen if you have hypertension.;
[III] 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.;
[IV] Then, repeat the dosage, as directed, until the pain subsides. Experiment with various otc medications to see which one works the best for you.;
[IV]