11 Proven Ways to Reduce Cough and Headache: A Complete Relief Guide Last updated: March 28, 2026 Quick Answer Coughs and headaches frequently occur together because they often share the same root causes — sinus congestion, respiratory infections, dehydration, and airway inflammation. The most effective relief strategy combines hydration, rest, targeted home remedies, and over-the-counter … Continue reading 11 Best Ways to Reduce Cough and Headache