Pill finder · 13 catalogued versions

aspirin; anhydrous citric acid; bicarbonate ion

Pill catalog

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

This drug comes in 13different 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 13 of 13 variants

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

Strength: ASPIRIN 325 mg;ANHYDROUS CITRIC ACID 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: L421
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 444 ↗ · 2026-06-18

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

Strength: Aspirin 325 mg;Citric Acid Monohydrate 1000 mg;Sodium Bicarbonate 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 2
Form: C42910
NDC: 968 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;CITRIC ACID MONOHYDRATE 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: L421
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 135 ↗ · 2026-06-18

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

Strength: Aspirin 325 mg;Citric Acid Monohydrate 1000 mg;Sodium Bicarbonate 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 002 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;CITRIC ACID MONOHYDRATE 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: Unknown — pending review
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 7948 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;ANHYDROUS CITRIC ACID 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: ALKA SELTZER
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 100 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;ANHYDROUS CITRIC ACID 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: ALKA SELTZER
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 403 ↗ · 2026-06-18

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

Strength: Aspirin 325 mg;Citric Acid Monohydrate 1000 mg;Sodium Bicarbonate 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 2
Form: C42910
NDC: 469 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;ANHYDROUS CITRIC ACID 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: L421
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 4212 ↗ · 2026-06-18

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

Strength: Aspirin 325 mg;Citric Acid Monohydrate 1000 mg;Sodium Bicarbonate 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 2
Form: C42910
NDC: 205 ↗ · 2026-06-18

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

Strength: Aspirin 325 mg;Citric Acid Monohydrate 1000 mg;Sodium Bicarbonate 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 2
Form: C42910
NDC: 233 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;CITRIC ACID MONOHYDRATE 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: C11
Color: WHITE
Shape: ROUND
Score: 2
Form: C42910
NDC: 381 ↗ · 2026-06-18

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

Strength: ASPIRIN 325 mg;ANHYDROUS CITRIC ACID 1000 mg;SODIUM BICARBONATE 1916 mg;
Imprint: L421
Color: WHITE
Shape: ROUND
Score: 1
Form: C42910
NDC: 421 ↗ · 2026-06-18