Alka-Seltzer XS provides fast and effective relief of headaches with an upset stomach.

It can also be used to relieve migraine, period pains, toothache, sore throats, joint swelling and stiffness, neuralgia, lower back pain, sciatica, rheumatic and muscular aches and pains, muscle tenderness and stiffness, sprains, strains and symptoms of cold and flu such as feverishness.

Sour Stomach (also referred to as acid indigestion or upset stomach), is a term used to describe abdominal discomfort often associated with food intake.

Sour or Upset Stomach Symptoms include:
-Abdominal fullness
-Belching
-Heartburn