Pill finder · 4 catalogued versions

anhydrous citric acid; aspirin; bicarbonate ion

Pill catalog

Rx/OTC variants · openFDA + DailyMed (public domain) · draft, pending review

This drug comes in 4different versions. Make sure you’re looking at the right one — use the search above to find your exact pill by imprint, color, or shape.

Showing 4 of 4 variants

Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.

Strength: ANHYDROUS CITRIC ACID 1000 mg;ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;
Imprint: ALKA SELTZER
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 4000 ↗ · 2026-06-18

Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.

Strength: ANHYDROUS CITRIC ACID 1000 mg;ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;
Imprint: ALKA SELTZER
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 304 ↗ · 2026-06-18

Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.

Strength: Anhydrous Citric Acid 1000 mg;Aspirin 325 mg;Sodium Bicarbonate 1916 mg;
Imprint: Alka Seltzer
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 9703 ↗ · 2026-06-18

Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.

Strength: ANHYDROUS CITRIC ACID 1000 mg;ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;
Imprint: ALKA SELTZER
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 014 ↗ · 2026-06-18