Z 4 Pill — YELLOW ROUND, 5mm — Risperidone
| Imprint | Z / 4 |
|---|---|
| Colour | YELLOW |
| Shape | ROUND |
| Size | 5 |
| Strength | RISPERIDONE 0.25 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | Cardinal Health |
| NDC | 55154-6031 |
| Schedule | — |
| Availability | — |
| Ingredients | RISPERIDONE[RISPERIDONE] |
What does this imprint mean?
The imprint "Z 4" 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
Risperidone
Uses and warnings
BOXED WARNING: "Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death." Risperidone is contraindicated in patients with known hypersensitivity to the product. Major warnings include increased cerebrovascular adverse events (including stroke) in elderly dementia patients, "Neuroleptic Malignant Syndrome," "tardive dyskinesia" (potentially irreversible), hyperglycemia and diabetes mellitus, hyperprolactinemia (with a theoretical risk related to breast cancer), orthostatic hypotension with syncope, and potential for cognitive/motor impairment.
Risperidone is indicated for: - "Acute and maintenance treatment of schizophrenia" in adults and adolescents 13-17 years - "Short-term treatment of acute manic or mixed episodes associated with Bipolar I Disorder" in adults and children/adolescents 10-17 years, alone or with lithium/valproate - "Treatment of irritability associated with autistic disorder," including aggression, self-injury, and tantrums, in children and adolescents aged 5-16 years
How to identify this pill
- • Check the imprint matches exactly: "Z 4".
- • Confirm the colour (YELLOW) and shape (ROUND).
- • Compare the size (5) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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GREEN OVAL · Risperidone
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file b90d304c-8dbf-44ce-8c78-ee69fd9fcc39.xml