WW 277 Pill — YELLOW ROUND, 11mm — Lithium
| Imprint | WW / 277 |
|---|---|
| Colour | YELLOW |
| Shape | ROUND |
| Size | 11 |
| Strength | LITHIUM CARBONATE 450 mg |
| Dosage form | Tablet, Extended Release |
| Manufacturer | Major Pharmaceuticals |
| NDC | 0904-6204 |
| Schedule | — |
| Availability | — |
| Ingredients | LITHIUM CARBONATE[LITHIUM] |
What does this imprint mean?
The imprint "WW 277" 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
Lithium
Uses and warnings
BOXED WARNING: "LITHIUM TOXICITY - Lithium toxicity is closely related to serum lithium concentrations, and can occur at doses close to therapeutic concentrations. Facilities for prompt and accurate serum lithium determinations should be available before initiating therapy." "The toxic concentrations for lithium (≥1.5 mEq/L) are close to the therapeutic range (0.8 to 1.2 mEq/L)," with toxicity ranging from "fine tremor, lightheadedness, lack of coordination" to "clonus, confusion, seizure, coma, and death." Also warns of lithium-induced nephrogenic diabetes insipidus from reduced renal concentrating ability, and hyponatremia from decreased renal tubular sodium reabsorption.
Lithium is a mood-stabilizing agent indicated as monotherapy for the treatment of bipolar I disorder: Treatment of acute manic and mixed episodes in patients 7 years and older" and "Maintenance treatment in patients 7 years and older.
How to identify this pill
- • Check the imprint matches exactly: "WW 277".
- • Confirm the colour (YELLOW) 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 b4089de1-f350-4131-b8c4-991b92ba4f8e.xml