Drugplain

Silenor 3 mg/1

doxepin hydrochloride · TABLET · Currax Pharmaceuticals LLC

No Recall History
Plain English

Silenor is a tablet containing doxepin hydrochloride at 3 mg/1, taken oral. Manufactured by Currax Pharmaceuticals LLC.

Key Facts

Brand Name
Silenor
Generic Name
doxepin hydrochloride
NDC Code (Product)
42847-103
Manufacturer
Currax Pharmaceuticals LLC
Strength
3 mg/1
Dosage Form
TABLET
Route
ORAL
Marketing Status
Application #
NDA022036
Marketing Start
08/01/2010

Recall History

No Recall History

Side Effects Reported to FDA

FDA FAERS database · These are reported events, not confirmed side effects

drug ineffective262 reports
pain217 reports
insomnia197 reports
completed suicide189 reports
dizziness184 reports
fatigue183 reports
fall179 reports
anxiety166 reports
toxicity to various agents166 reports
headache148 reports

Full Prescribing Information

Source: FDA Drug Label (SPL)For healthcare professionals

Indications & Usage

1. INDICATIONS AND USAGE SILENOR is indicated for the treatment of insomnia characterized by difficulty with sleep maintenance. The clinical trials performed in support of efficacy were up to 3 months in duration . SILENOR (doxepin) tablets are indicated for the treatment of insomnia characterized by difficulties with sleep maintenance. ( 1 , 14 )

Dosage & Administration

2. DOSAGE AND ADMINISTRATION The dose of SILENOR should be individualized. Initial dose: 6 mg, once daily for adults ( 2.1 ) and 3 mg, once daily for the elderly. ( 2.1 , 2.2 ) Take within 30 minutes of bedtime. Total daily dose should not exceed 6 mg. ( 2.3 ) Should not be taken within 3 hours of a meal. ( 2.3 , 12.3 ) 2.1. Dosing in Adults The recommended dose of SILENOR for adults is 6 mg once daily. A 3 mg once daily dose may be appropriate for some patients, if clinically indicated. 2.2. Dosing in the Elderly The recommended starting dose of SILENOR in elderly patients (≥ 65 years old) is 3 mg once daily. The daily dose can be increased to 6 mg, if clinically indicated. 2.3. Administration SILENOR should be taken within 30 minutes of bedtime. To minimize the potential for next day effects, SILENOR should not be taken within 3 hours of a meal [ see Clinical Pharmacology (12.3) ] . The total SILENOR dose should not exceed 6 mg per day.

Contraindications

4. CONTRAINDICATIONS Hypersensitivity to doxepin hydrochloride, inactive ingredients, or other dibenzoxepines. ( 4.1 ) Co-administration with Monoamine Oxidase Inhibitors (MAOIs): Do not administer if patient is taking MAOIs or has used MAOIs within the past two weeks. ( 4.2 ) Untreated narrow angle glaucoma or severe urinary retention. ( 4.3 ) 4.1. Hypersensitivity SILENOR is contraindicated in individuals who have shown hypersensitivity to doxepin HCl, any of its inactive ingredients, or other dibenzoxepines. 4.2. Co-administration with Monoamine Oxidase Inhibitors (MAOIs) Serious side effects and even death have been reported following the concomitant use of certain drugs with MAO inhibitors. Do not administer SILENOR if patient is currently on MAOIs or has used MAOIs within the past two weeks. The exact length of time may vary depending on the particular MAOI dosage and duration of treatment. 4.3. Glaucoma and Urinary Retention SILENOR is contraindicated in individuals with untreated narrow angle glaucoma or severe urinary retention.

Drug Interactions

7. DRUG INTERACTIONS MAO inhibitors: SILENOR should not be administered in patients on MAOIs within the past two weeks. ( 4.2 ) Cimetidine: Increases exposure to doxepin. ( 7.2 ) Alcohol: Sedative effects may be increased with doxepin. ( 7.3 , 5.4 ) CNS Depressants and Sedating Antihistamines: Sedative effects may be increased with doxepin. ( 7.4 , 5.4 ) Tolazamide: A case of severe hypoglycemia has been reported. ( 7.5 ) 7.1. Cytochrome P450 Isozymes SILENOR is primarily metabolized by hepatic cytochrome P450 isozymes CYP2C19 and CYP2D6, and to a lesser extent, by CYP1A2 and CYP2C9. Inhibitors of these isozymes may increase the exposure of doxepin. SILENOR is not an inhibitor of any CYP isozymes at therapeutically relevant concentrations. The ability of SILENOR to induce CYP isozymes is not known. 7.2. Cimetidine SILENOR exposure is doubled with concomitant administration of cimetidine, a nonspecific inhibitor of CYP isozymes. A maximum dose of 3 mg is recommended in adults and elderly when cimetidine is co-administered with SILENOR [see Clinical Pharmacology (12.3) ] 7.3. Alcohol When taken with SILENOR, the sedative effects of alcohol may be potentiated [ see Warnings and Precau

Adverse Reactions

6. ADVERSE REACTIONS The following serious adverse reactions are discussed in greater detail in other sections of labeling: Abnormal thinking and behavioral changes [see Warnings and Precautions (5.2) ]. Suicide risk and worsening of depression [see Warnings and Precautions (5.3) ]. CNS Depressant effects [see Warnings and Precautions (5.4) ]. The most common treatment-emergent adverse reactions, reported in ≥ 2% of patients treated with SILENOR, and more commonly than in patients treated with placebo, were somnolence/sedation, nausea, and upper respiratory tract infection. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Currax Pharmaceuticals LLC at 1-800-793-2145 and or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1. Clinical Trials Experience The pre-marketing development program for SILENOR included doxepin HCl exposures in 1017 subjects (580 insomnia patients and 437 healthy subjects) from 12 studies conducted in the United States. 863 of these subjects (580 insomnia patients and 283 healthy subjects) participated in six randomized, placebo-controlled efficacy studies with SILENOR doses of 1 mg, 3 mg, and 6 mg for up to 3-months in duration. Because clinical studies

Frequently Asked Questions

What is Silenor used for?

Silenor contains doxepin hydrochloride. It is a tablet taken oral. Consult your doctor for specific uses.

Is Silenor a controlled substance?

Silenor is not classified as a controlled substance by the DEA.

What is the generic name for Silenor?

The generic name for Silenor is doxepin hydrochloride. There are 12 other brand versions of doxepin hydrochloride.

What is the NDC code for Silenor 3 mg/1?

The NDC (National Drug Code) for Silenor 3 mg/1 is 42847-103, listed by Currax Pharmaceuticals LLC.