Classes
DEA Class; OTC
Common Brand Names; Alka-Seltzer Heartburn Relief
- Antacids, Combos
Description
Citric acid: Antacid; forms sodium citrate which neutralizes stomach acid
Sodium bicarbonate: Antacid; reacts with and neutralizes hydrochloric acid in the stomach
Indications
Indicated for
- Indigestion/Heartburn
Warnings
Sodium-restricted diet; 575 mg sodium/tablet
Phenylketonurics; contains phenylalanine 5.6 mg/tablet
Discontinue if taken maximum dosage for 2 weeks without relief
Alters gastric pH and may interfere with absorption of some concurrent medications
Pregnancy and Lactation
Pregnancy Category: C
Lactation: Unknown whether distributed in breast milk
Pregnant or breastfeeding patients should seek advice of health professional before using OTC drugs
Maximum Dosage
Adult
Dissolve 2 tablets in water and drink effervescent solution q4hr PRN
Not to exceed 8 tablets/24 hr
Pediatric
<12 years: Safety and efficacy not established
≥12 years: Dissolve 2 tablets in water and drink effervescent solution q4hr PRN; not to exceed 8 tablets/24 hr
How supplied
Citric acid/sodium bicarbonate
effervescent tablet
- 1000mg/1940mg