509 Pill — WHITE OVAL, 13mm — Citalopram
| Imprint | 509 |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 13 |
| Strength | CITALOPRAM HYDROBROMIDE 40 mg |
| Dosage form | Tablet |
| Manufacturer | Sun Pharmaceutical Industries, Inc |
| NDC | 57664-509 |
| Schedule | — |
| Availability | — |
| Ingredients | CITALOPRAM HYDROBROMIDE[CITALOPRAM] |
What does this imprint mean?
The imprint "509" 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
Citalopram
Uses and warnings
BOXED WARNING - Suicidal Thoughts and Behaviors: "Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adult patients in short-term studies." Close monitoring is required, especially during initial treatment phases and dosage changes. Key Warnings Include: - QT Prolongation: Dose-dependent risk of QTc interval prolongation potentially causing dangerous heart rhythms; maximum dose limited to 40 mg daily - Serotonin Syndrome: Risk increases with concurrent serotonergic drugs; symptoms include mental status changes, autonomic instability, and neuromuscular effects - Bleeding Risk: SSRIs increase bleeding risk when combined with anticoagulants or antiplatelet medications - Mania Activation: May trigger manic episodes in bipolar disorder patients - Hyponatremia: Low sodium levels possible, especially in elderly patients - Sexual Dysfunction: Common adverse effect affecting both sexes - Discontinuation Syndrome: Gradual dose reduction recommended to avoid withdrawal symptoms
"Citalopram tablets are indicated for the treatment of major depressive disorder (MDD) in adults." The medication is not approved for pediatric use.
How to identify this pill
- • Check the imprint matches exactly: "509".
- • Confirm the colour (WHITE) and shape (OVAL).
- • Compare the size (13) 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 481269e7-a38e-4df2-ad3c-eb359baad154.xml