P4 Pill — ORANGE ROUND, 16mm — Risperidone

Imprint	P4
Colour	ORANGE
Shape	ROUND
Size	16
Strength	risperidone 4 mg
Dosage form	Tablet, Orally Disintegrating
Manufacturer	Janssen Pharmaceutical, Inc.
NDC	50458-605
Schedule	—
Availability	—
Ingredients	risperidone[risperidone]

What does this imprint mean?

The imprint "P4" 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

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "P4".
• Confirm the colour (ORANGE) and shape (ROUND).
• Compare the size (16) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

Similar-looking pills

2104 V

ORANGE ROUND · Amitriptyline