How do over-the-counter painkillers compare?

When you get a headache, what do you reach for? Ibuprofen, aspirin or paracetamol?Over-the-counter painkillers can be difficult to differentiate, but they do vary, not only in their effectiveness but also in their side effects.Norman and Tegan talk us through how these drugs work, and which one might be best depending on your situation.References: Paracetamol versus ibuprofen – which works best and when?Is paracetamol effective for low back pain?The dangers of NSAIDs: Look both ways