MP 81 Pill — WHITE ROUND, 11mm — Sulfamethoxazole Trimethoprim
| Imprint | MP / 81 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 11 |
| Strength | SULFAMETHOXAZOLE 400 mg;TRIMETHOPRIM 80 mg |
| Dosage form | Tablet |
| Manufacturer | Sun Pharmaceutical Industries, Inc |
| NDC | 53489-145 |
| Schedule | — |
| Availability | Prescription only |
| Ingredients | SULFAMETHOXAZOLE[SULFAMETHOXAZOLE];TRIMETHOPRIM[TRIMETHOPRIM] |
What does this imprint mean?
The imprint "MP 81" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Sulfamethoxazole Trimethoprim
Uses and warnings
BOXED WARNING: "FATALITIES ASSOCIATED WITH THE ADMINISTRATION OF SULFONAMIDES, ALTHOUGH RARE, HAVE OCCURRED DUE TO SEVERE REACTIONS, INCLUDING STEVENS-JOHNSON SYNDROME, TOXIC EPIDERMAL NECROLYSIS, FULMINANT HEPATIC NECROSIS, AGRANULOCYTOSIS, APLASTIC ANEMIA AND OTHER BLOOD DYSCRASIAS." The label instructs the drug "should be discontinued at the first appearance of skin rash or any sign of adverse reaction." Contraindicated in patients with hypersensitivity to trimethoprim or sulfonamides, a history of drug-induced immune thrombocytopenia, megaloblastic anemia due to folate deficiency, marked hepatic damage or severe renal insufficiency, pregnancy, nursing mothers, and infants under 2 months of age.
Indicated for susceptible strains in: urinary tract infections, acute otitis media in pediatric patients, acute exacerbations of chronic bronchitis in adults, shigellosis (bacterial enteritis), Pneumocystis carinii (jirovecii) pneumonia treatment and prophylaxis, and traveler's diarrhea in adults. The label cautions this combination "should be reserved for those situations in which the physician feels that the benefits...outweigh the potential risks."
How to identify this pill
- • Check the imprint matches exactly: "MP 81".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (11) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file f72cec08-68a1-46b8-9889-b397aa9caee4.xml