AC37 Pill – Blue Oval Naproxen NAPROXEN SODIUM 220 mg;DIPHENHYDRAMINE HYDROCHLORIDE 25 mg
Quick Identification
The pill with imprint AC37 is a blue oval tablet/capsule identified as Naproxen NAPROXEN SODIUM 220 mg;DIPHENHYDRAMINE HYDROCHLORIDE 25 mg.
| Imprint | AC37 |
|---|---|
| Shape | OVAL |
| Colour | BLUE |
| Size | 15 |
| Strength | NAPROXEN SODIUM 220 mg;DIPHENHYDRAMINE HYDROCHLORIDE 25 mg |
| Dosage form | Tablet, Film Coated |
What Does This Imprint Mean?
The characters "AC37" 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: Naproxen
Brand name: Naproxen Sodium And Diphenhydramine HCl. Generic name: Naproxen. This pill contains NAPROXEN SODIUM 220 mg;DIPHENHYDRAMINE HYDROCHLORIDE 25 mg.
Read the full drug profile for Naproxen, including what it's used for, dosage information, side effects, and warnings.
Manufacturer & NDC
| Manufacturer | Amneal Pharmaceuticals NY LLC |
|---|---|
| NDC | 69238-1422 |
What Is Naproxen Used For?
Naproxen sodium tablets treat rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, and juvenile arthritis. They also relieve tendonitis, bursitis, acute gout, pain, and primary dysmenorrhea. "Use the lowest effective dosage for the shortest duration consistent with individual patient treatment goals."
Side Effects & Warnings
Frequently reported (1-10% of patients): heartburn, abdominal pain, nausea, constipation, diarrhea, headache, dizziness, drowsiness, skin eruptions, and tinnitus. Less common (<1%): serious GI bleeding/perforation, liver injury, heart failure, kidney problems, severe skin reactions, and anemia.
Full list of Naproxen side effects | Naproxen 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 Naproxen
Frequently Asked Questions
What does the pill imprinted AC37 look like?
It is described as a blue oval pill measuring about 15, imprinted with "AC37".
What is Naproxen used for?
Naproxen sodium tablets treat rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, and juvenile arthritis. They also relieve tendonitis, bursitis, acute gout, pain, and primary dysmenorrhea. "Use the lowest effective dosage for the shortest duration consistent with individual patient treatment goals."
What strength is this Naproxen pill?
This pill is NAPROXEN SODIUM 220 mg;DIPHENHYDRAMINE HYDROCHLORIDE 25 mg of Naproxen.
Who makes this pill?
It is manufactured by Amneal Pharmaceuticals NY LLC.
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.
