D Pill – Yellow Round Doxycycline
Quick Identification
The pill with imprint D is a yellow round tablet/capsule identified as Doxycycline.
| Imprint | D / 100 |
|---|---|
| Shape | ROUND |
| Colour | YELLOW |
| Size | 9 |
| Dosage form | Tablet |
What Does This Imprint Mean?
The characters "D" 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: Doxycycline
Brand name: Doxycycline Monohydrate. Generic name: Doxycycline.
Read the full drug profile for Doxycycline, including what it's used for, dosage information, side effects, and warnings.
Manufacturer & NDC
| Manufacturer | Doak Dermatologics |
|---|---|
| NDC | 10337-802 |
What Is Doxycycline Used For?
Doxycycline treats bacterial infections including rickettsial infections, respiratory tract infections caused by Mycoplasma pneumoniae, sexually transmitted infections (chlamydia, gonorrhea, syphilis), and gram-negative bacterial infections. It's also used for malaria prophylaxis in travelers and post-exposure anthrax prevention. The label emphasizes: "doxycycline hyclate should be used only to treat or prevent infections that are proven or strongly suspected to be caused by…
Side Effects & Warnings
Gastrointestinal effects predominate: nausea, vomiting, diarrhea, anorexia. Skin reactions include rashes, photosensitivity, and rarely Stevens-Johnson syndrome. Other reported effects: tooth discoloration, esophageal ulceration, intracranial hypertension, and hypersensitivity reactions.
Full list of Doxycycline side effects | Doxycycline 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 Doxycycline
Frequently Asked Questions
What does the pill imprinted D look like?
It is described as a yellow round pill measuring about 9, imprinted with "D".
What is Doxycycline used for?
Doxycycline treats bacterial infections including rickettsial infections, respiratory tract infections caused by Mycoplasma pneumoniae, sexually transmitted infections (chlamydia, gonorrhea, syphilis), and gram-negative bacterial infections. It's also used for malaria prophylaxis in travelers and post-exposure anthrax prevention. The label emphasizes: "doxycycline…
Who makes this pill?
It is manufactured by Doak Dermatologics.
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.
