TRANSDERM SCOP- scopolamine patch, extended release
Baxter Healthcare Corporation
1 INDICATIONS AND USAGE
Transderm Scōp is indicated in adults for the prevention of:
- nausea and vomiting associated with motion sickness.
- post-operative nausea and vomiting (PONV) associated with recovery from anesthesia and/or opiate analgesia and surgery.
2 DOSAGE AND ADMINISTRATION
2.1 Important Application and Removal Instructions
- Each Transderm Scōp transdermal system is formulated to deliver in vivo approximately 1 mg of scopolamine over 3 days.
- Only wear one transdermal system at any time.
- Do not cut the transdermal system.
- Apply the transdermal system to the skin in the postauricular area (hairless area behind one ear).
- After the transdermal system is applied on the dry skin behind the ear, wash hands thoroughly with soap and water and dry hands [see Warnings and Precautions (5.6)].
- If the transdermal system becomes displaced, discard the transdermal system, and apply a new transdermal system on the hairless area behind the other ear.
- Upon removal, fold the used transdermal system in half with the sticky side together, and discard in household trash in a manner that prevents accidental contact or ingestion by children, pets or others.
2.2 Recommended Adult Dosage
Apply one Transderm Scōp transdermal system to the hairless area behind one ear at least 4 hours before the antiemetic effect is required – for use up to 3 days. If therapy is required for longer than 3 days, remove the first transdermal system and apply a new Transderm Scōp transdermal system behind the other ear.
For surgeries other than cesarean section: Apply one Transderm Scōp transdermal system the evening before scheduled surgery. Remove the transdermal system 24 hours following surgery.
3 DOSAGE FORMS AND STRENGTHS
Transdermal system: a circular, flat, tan-colored transdermal system imprinted with “Scopolamine 1 mg/3 days”
Transderm Scōp is contraindicated in patients with:
- angle closure glaucoma [see Warnings and Precautions (5.1)].
- hypersensitivity to scopolamine or other belladonna alkaloids or to any ingredient or component in the formulation or delivery system. Reactions have included rash generalized and erythema [see Adverse Reactions (6.2), Description (11)].
5 WARNINGS AND PRECAUTIONS
5.1 Acute Angle Closure Glaucoma
The mydriatic effect of scopolamine may cause an increase in intraocular pressure resulting in acute angle closure glaucoma. Monitor intraocular pressure in patients with open angle glaucoma and adjust glaucoma therapy during Transderm Scōp use, as needed. Advise patients to immediately remove the transdermal system and contact their healthcare provider if they experience symptoms of acute angle closure glaucoma (e.g., eye pain or discomfort, blurred vision, visual halos or colored images in association with red eyes from conjunctival congestion and corneal edema).
5.2 Neuropsychiatric Adverse Reactions
Psychiatric Adverse Reactions
Scopolamine has been reported to exacerbate psychosis. Other psychiatric reactions have also been reported, including acute toxic psychosis, agitation, speech disorder, hallucinations, paranoia, and delusions [see Adverse Reactions (6.2)]. Monitor patients for new or worsening psychiatric symptoms during treatment with Transderm Scōp. Also, monitor patients for new or worsening psychiatric symptoms during concomitant treatment with other drugs that are associated with similar psychiatric effects [see Drug Interactions (7.1)].
Seizures and seizure-like activity have been reported in patients receiving scopolamine. Weigh this potential risk against the benefits before prescribing Transderm Scōp to patients with a history of seizures, including those receiving anti-epileptic medication or who have risk factors that can lower the seizure threshold.
Cognitive Adverse Reactions
Scopolamine can cause drowsiness, disorientation, and confusion. Discontinue Transderm Scōp if signs or symptoms of cognitive impairment develop. Elderly and pediatric patients may be more sensitive to the neurological and psychiatric effects of Transderm Scōp. Consider more frequent monitoring during treatment with Transderm Scōp in elderly patients [see Use in Specific Populations (8.5)]. Transderm Scōp is not approved for use in pediatric patients [see Use in Specific Populations (8.4)].
Transderm Scōp may impair the mental and/or physical abilities required for the performance of hazardous tasks such as driving a motor vehicle, operating machinery or participating in underwater sports. Concomitant use of other drugs that cause central nervous system (CNS) adverse reactions (e.g., alcohol, sedatives, hypnotics, opiates, and anxiolytics) or have anticholinergic properties (e.g., other belladonna alkaloids, sedating antihistamines, meclizine, tricyclic antidepressants, and muscle relaxants) may increase this effect [see Drug Interactions (7.1)]. Inform patients not to operate motor vehicles or other dangerous machinery or participate in underwater sports until they are reasonably certain that Transderm Scōp does not affect them adversely.
5.3 Eclamptic Seizures in Pregnant Women
Eclamptic seizures have been reported in pregnant women with severe preeclampsia soon after injection of intravenous and intramuscular scopolamine [see Use in Specific Populations ( 8.1 )] . Avoid use of Transderm Scōp in patients with severe preeclampsia.
5.4 Gastrointestinal and Urinary Disorders
Scopolamine, due to its anticholinergic properties, can decrease gastrointestinal motility and cause urinary retention. Consider more frequent monitoring during treatment with Transderm Scōp in patients suspected of having intestinal obstruction, patients with pyloric obstruction or urinary bladder neck obstruction and patients receiving other anticholinergic drugs [see Drug Interactions (7.2)]. Discontinue Transderm Scōp in patients who develop difficulty in urination.
5.5 Drug Withdrawal/Post-Removal Symptoms
Discontinuation of Transderm Scōp, usually after several days of use, may result in withdrawal symptoms, such as disturbances of equilibrium, dizziness, nausea, vomiting, abdominal cramps, sweating, headache, mental confusion, muscle weakness, bradycardia and hypotension. The onset of these symptoms is generally 24 hours or more after the transdermal system has been removed. Instruct patients to seek medical attention if they experience severe symptoms.
5.6 Blurred Vision
Scopolamine can cause temporary dilation of the pupils resulting in blurred vision if it comes in contact with the eyes.
Advise patients to wash their hands thoroughly with soap and water and dry their hands immediately after handling the transdermal system [see Dosage and Administration (2.1)].
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