Fast Pain ReliefHeartburn Acid Indigestion Sour Stomach with Headache Body Aches & PainTake Alka-Seltzer any time - morning, noon, or night - when you need relief from heartburn, acid indigestion, sour stomach with headache, or body aches and pains.Each tablet contains: Sodium 503 mg.Phenylketonurics: Contains Phenylalanine 9 mg per tablet.Alka-Seltzer Lemon Lime in water contains principally the antacid Sodium Citrate and the analgesic Sodium Acetylsalicylate.Questions or comments? 1-800-800-4793 or alka-seltzer.com.Made in the USA. Indications: For the relief ofheartburn, acid indigestion, and sour stomach when accompanied with headache or body aches and pains. upset stomach with headache from overindulgence in food and drink. pain alone (headache or body and muscular aches and pains). Directions: Do not exceed recommended dosage.Fully dissolve tablets in 4 ounces of water before taking.Adults and Children 12 years and over: Dissolve 2 tablets every 4 hours, or as directed by a doctor. Do not exceed 8 table