Hoscheit says the sensation can last "as quickly as a couple minutes or as long as a few hours." More: Alka-Seltzer is the most commonly recommended medication for heartburn. Here's why. Heartburn is ...
An antihistamine, doxylamine causes sleepiness and is commonly used for short-term relief of insomnia. It is also used in combination nighttime cold medicines, such as Alka-Seltzer Plus Night Cold ...