L421 Pill – White Round Aspirin ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg
Quick Identification
The pill with imprint L421 is a white round tablet/capsule identified as Aspirin ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg.
| Imprint | L421 |
|---|---|
| Shape | ROUND |
| Colour | WHITE |
| Size | 25 |
| Strength | ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg |
| Dosage form | C42910 |
What Does This Imprint Mean?
The characters "L421" stamped, printed, or debossed onto this pill are its imprint code. Manufacturers are required by the FDA to give every tablet and capsule a unique imprint so it can be identified after it leaves its original packaging. Combined with the pill's shape and colour, the imprint is the fastest way to confirm exactly what a loose pill is.
Active Ingredient: Aspirin
Brand name: Effervescent Antacid And Pain Relief. Generic name: Aspirin. This pill contains ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg.
Read the full drug profile for Aspirin, including what it's used for, dosage information, side effects, and warnings.
Manufacturer & NDC
| Manufacturer | H. E. Butt Grocery Company |
|---|---|
| NDC | 37808-421 |
What Is Aspirin Used For?
"Temporarily relieves: toothache, headache, muscle pain, pain and fever of colds, menstrual pain, minor pain of arthritis." The product functions as a pain reliever and fever reducer.
Side Effects & Warnings
The label does not provide a specific section listing common side effects; warnings address potential serious reactions (stomach bleeding, allergic responses, ringing in ears, hearing loss).
Full list of Aspirin side effects | Aspirin warnings & precautions
How to Identify This Pill
- Read the imprint code exactly as it appears (letters, numbers, and any dividing line) — it is the single most reliable identifier.
- Note the shape (round, oval, capsule, etc.) and colour, and compare both against the details above.
- Check the size if you have a ruler or pill gauge — imprint plus size narrows down look-alikes.
- Compare the pill photo above side-by-side with the physical pill in good lighting.
- If anything does not match exactly, do not assume — confirm with a pharmacist before taking it.
Similar-Looking Pills
These pills share the same shape and colour, but are different medications — always confirm by imprint, not appearance alone.
Other Pill Identifiers for Aspirin
Frequently Asked Questions
What does the pill imprinted L421 look like?
It is described as a white round pill measuring about 25, imprinted with "L421".
What is Aspirin used for?
"Temporarily relieves: toothache, headache, muscle pain, pain and fever of colds, menstrual pain, minor pain of arthritis." The product functions as a pain reliever and fever reducer.
What strength is this Aspirin pill?
This pill is ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg of Aspirin.
Who makes this pill?
It is manufactured by H. E. Butt Grocery Company.
Is it safe to take a pill if I cannot identify it?
No. Never take a pill you cannot positively identify. If you are unsure about a pill, do not take it — consult a pharmacist or physician, or contact Poison Control.
