One advantage of qualitative methods in exploratory research is that use of open-ended questionsand probing gives participants the opportunity to respond in their own words, rather than forcingthem to choose from fixed responses, as quantitative methods do.
Over-the-counter migraine medications used to address pain include analgesics, NSAIDS, and caffeine, including: 1  Aspirin. 2  Naproxen (Naprosyn, Anaprox, Anaprox DS) 3  Ibuprofen (Motrin)  Acetaminophen 1  (Tylenol) Or combinations of these.
Medicines That Can Cause Headache. Many prescription and nonprescription medicines and supplements can cause headaches. A few examples are: 1  Medicines that contain hormones, such as birth control pills and hormone therapy for menopause. 2  Medicines for erection problems. 3  Caffeine (because of caffeine withdrawal).4  Some heart and blood pressure medicines.edicines that can cause rebound headaches include: 1  Nonprescription medicines, such as acetaminophen, aspirin, or nonsteroidal anti-inflammatory drugs (NSAIDs). 2  Prescription pain medicines, such as codeine or hydrocodone.