When you get heartburn, acid indigestion or upset stomach with pain, turn to Alka-Seltzer Extra Strength for fast relief. Alka-Seltzer Extra Strength gently breaks up and dissolves away your stomach symptoms and pain fast so you can get back to what's important to you. It’s the most powerful Alka-Seltzer you can get.

• Neutralizes acid fast on contact
• Get powerful relief of heartburn, upset stomach, and acid indigestion with headache or body aches
• Our flagship form effervescent tablets dissolve in water to bring you fast, fizzy relief. Hear it, see it, and feel it working
• Alka-Seltzer has provided trusted, effective, effervescent relief for more than 80 years
• Contains an analgesic for pain accompanied by heartburn and acid indigestion