NL 571 Pill — WHITE ROUND, 10mm — Methylphenidate
| Imprint | NL / 571 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 10 |
| Strength | METHYLPHENIDATE HYDROCHLORIDE 5 mg |
| Dosage form | Tablet, Chewable |
| Manufacturer | Novel Laboratories, Inc. |
| NDC | 40032-571 |
| Schedule | CII |
| Availability | — |
| Ingredients | METHYLPHENIDATE HYDROCHLORIDE[METHYLPHENIDATE] |
What does this imprint mean?
The imprint "NL 571" 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
Methylphenidate
Uses and warnings
No boxed warning in this label, but strong warnings and contraindications are present. Contraindicated in patients with "marked anxiety, tension, and agitation" (symptoms may be aggravated), in glaucoma, in patients with motor tics or a family history of Tourette's syndrome, and with current or recent (within 14 days) MAOI use. Major warnings include sudden death and serious cardiovascular adverse events in patients with structural cardiac abnormalities or other serious heart problems; "stroke, and myocardial infarction have been reported in adults"; new or worsened psychiatric symptoms including psychosis and mania; and "temporary slowing in growth rate" in children with long-term use. It is a Schedule II controlled substance with high abuse and dependence potential.
Methylphenidate hydrochloride tablets are indicated for treatment of Attention-Deficit Hyperactivity Disorder, used as part of a comprehensive treatment program for children exhibiting "moderate-to-severe distractibility, short attention span, hyperactivity, emotional lability, and impulsivity," and for treatment of "narcolepsy" in adults.
How to identify this pill
- • Check the imprint matches exactly: "NL 571".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (10) 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 2abc1e6e-0247-4027-832b-6e5fcac91468.xml