alka seltzer
/ˈælkəˌsɛltsər/
noun
- A brand of effervescent tablet that dissolves in water to make a drink used to relieve heartburn, indigestion, headache, or hangover symptoms.
- After eating too much pizza, she dropped an Alka-Seltzer into a glass of water.
- He kept a box of Alka-Seltzer in his medicine cabinet for morning headaches.
- The fizzy Alka-Seltzer helped settle her upset stomach after the spicy meal.