A runny nose can be a pesky and uncomfortable issue, but there are ways to achieve instant relief. One effective method is nasal irrigation using a saline solution, which helps clear nasal passages and reduces congestion. Over-the-counter nasal decongestant sprays can provide rapid relief by constricting blood vessels in the nasal tissues. Steam inhalation is another quick remedy—breathe in the steam from a bowl of hot water to soothe nasal passages and alleviate a runny nose. Applying a warm compress to the sinus area can also provide immediate comfort. Hydration is key; drinking plenty of fluids helps thin mucus and eases nasal congestion. Remember, while these methods offer instant relief, it's essential to address the underlying cause of the how to stop a runny nose instantly. Incorporating these tips into your routine can help you swiftly and effectively combat a runny nose when it strikes.