Paroxetine Hydrochloride
Generic Name: paroxetine hydrochloride
Brand Names:
Paroxetine
11 DESCRIPTION Paroxetine tablets, USP contains paroxetine hydrochloride USP, an SSRI. It is the hydrochloride salt of a phenylpiperidine compound identified chemically as (-)- trans -4 R -(4'-fluorophenyl)-3 S -[(3',4'- methylenedioxyphenoxy) methyl] piperidine hydrochloride anhydrous and has the empirical formula of C 19 H 20 FNO 3 ·HCl. The molecular weight is 365.8 (329.4 as free base).
Overview
11 DESCRIPTION Paroxetine tablets, USP contains paroxetine hydrochloride USP, an SSRI. It is the hydrochloride salt of a phenylpiperidine compound identified chemically as (-)- trans -4 R -(4'-fluorophenyl)-3 S -[(3',4'- methylenedioxyphenoxy) methyl] piperidine hydrochloride anhydrous and has the empirical formula of C 19 H 20 FNO 3 ·HCl. The molecular weight is 365.8 (329.4 as free base).
Uses
1 INDICATIONS AND USAGE Paroxetine tablets are indicated in adults for the treatment of: Major depressive disorder (MDD) Obsessive compulsive disorder (OCD) Panic disorder (PD) Social anxiety disorder (SAD) Generalized anxiety disorder (GAD) Posttraumatic stress disorder (PTSD) Paroxetine tablets is a selective serotonin reuptake inhibitor (SSRI) indicated in adults for the treatment of ( 1 ): Major Depressive Disorder (MDD) Obsessive Compulsive Disorder (OCD) Panic Disorder (PD) Social Anxiety Disorder (SAD) Generalized Anxiety Disorder (GAD) Posttraumatic Stress Disorder (PTSD)
Dosage
2 DOSAGE AND ADMINISTRATION Recommended starting and maximum daily dosage for MDD, OCD, PD, and PTSD: ( 2.2 ) Indication Starting Daily Dose Maximum Daily Dose MDD 20 mg 50 mg OCD 20 mg 60 mg PD 10 mg 60 mg PTSD 20 mg 50 mg Recommended starting dosage for SAD and GAD is 20 mg daily. ( 2.3 ) Elderly patients, patients with severe renal impairment or severe hepatic impairment: Starting dosage is 10 mg daily. Maximum dosage is 40 mg daily. ( 2.4 ) When discontinuing paroxetine tablets, reduce dosage gradually. ( 2.6 , 5.7 ) 2.1 Administration Information Administer paroxetine tablets as a single daily dose in the morning, with or without food.
Side Effects
6 ADVERSE REACTIONS The following adverse reactions are included in more detail in other sections of the prescribing information: Hypersensitivity reactions to paroxetine [see Contraindications ( 4 )] Suicidal Thoughts and Behaviors [see Warnings and Precautions ( 5.1 )] Serotonin Syndrome [see Warnings and Precautions ( 5.2 )] Embryofetal Toxicity [see Warnings and Precautions ( 5.4 )] Increased Risk of Bleeding [see Warnings and Precautions ( 5.5 )] Activation of Mania/Hypomania [see Warnings and Precautions ( 5.6 )] Discontinuation Syndrome [see Warnings and Precautions ( 5.7 )] Seizures [see Warnings and Precautions ( 5.8 )] Angle-closure Glaucoma [see Warnings and Precautions ( 5.9 )] Hyponatremia [see Warnings and Precautions ( 5.10 )] Bone Fracture [see Warnings and Precautions ( 5....
Interactions
7 DRUG INTERACTIONS Table 9 presents clinically significant drug interactions with paroxetine. Table 9: Clinically Significant Drug Interactions with Paroxetine Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact The concomitant use of SSRIs, including paroxetine, and MAOIs increases the risk of serotonin syndrome. Intervention Paroxetine is contraindicated in patients taking MAOIs, including MAOIs such as linezolid or intravenous methylene blue [see Dosage and Administration ( 2.5 ), Contraindications ( 4 ), Warnings and Precautions ( 5.2 )].
Warnings
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adult patients in short-term studies. Closely monitor all antidepressant-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions ( 5.1 )]. Paroxetine tablets are not approved for use in pediatric patients [see Use in Specific Populations ( 8.4 )]. 5 WARNINGS AND PRECAUTIONS Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. If occurs, discontinue paroxetine tablets and serotonergic agents and initiate supportive measures. ( 5.2 ) Embryofetal Toxicity: May cause fetal harm. Meta-analyses of epidemiological studies have shown increased risk (less than 2-fold) of cardiovascular malformations with exposure during the first trimester. ( 5.4 , 8.1 ) Increased Risk of Bleeding: Concomitant use of aspirin, nonsteroidal anti- inflammatory drugs, other antiplatelet drugs, warfarin, and other anticoagulant drugs may increase risk. ( 5.5 ) Activation of Mania/Hypomania: Screen patients for bipolar disorder. ( 5.6 ) Seizures: Use with caution in patients with seizure disorders. 4 CONTRAINDICATIONS Paroxetine tablets are contraindicated in patients: Taking, or within 14 days of stopping, MAOIs (including the MAOIs linezolid and intravenous methylene blue) because of an increased risk of serotonin syndrome [see Warnings and Precautions ( 5.2 ), Drug Interactions ( 7 )].
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Paroxetine tablets, USP are oval shaped film-coated tablets supplied as: 20 mg: White to off-white, Engraved “APO” & partial bisect score on one side,“083” on the other NDC: 70518-2871-00 NDC: 70518-2871-01 PACKAGING: 100 in 1 BOX PACKAGING: 1 in 1 POUCH Store tablets at 20°C and 25°C (68°F and 77°F) excursions permitted from 15°C to 30°C (59°F to 86°F) [see US...
Frequently Asked Questions
What is Paroxetine Hydrochloride used for?▼
1 INDICATIONS AND USAGE Paroxetine tablets are indicated in adults for the treatment of: Major depressive disorder (MDD) Obsessive compulsive disorder (OCD) Panic disorder (PD) Social anxiety disorder (SAD) Generalized anxiety disorder (GAD) Posttraumatic stress disorder (PTSD) Paroxetine tablets is a selective serotonin reuptake inhibitor (SSRI) indicated in adults for the treatment of ( 1 ): Major Depressive Disorder (MDD) Obsessive Compulsive Disorder (OCD) Panic Disorder (PD) Social Anxiety Disorder (SAD) Generalized Anxiety Disorder (GAD) Posttraumatic Stress Disorder (PTSD)
What are the side effects of Paroxetine Hydrochloride?▼
6 ADVERSE REACTIONS The following adverse reactions are included in more detail in other sections of the prescribing information: Hypersensitivity reactions to paroxetine [see Contraindications ( 4 )] Suicidal Thoughts and Behaviors [see Warnings and Precautions ( 5.1 )] Serotonin Syndrome [see Warnings and Precautions ( 5.2 )] Embryofetal Toxicity [see Warnings and Precautions ( 5.4 )] Increased Risk of Bleeding [see Warnings and Precautions ( 5.5 )] Activation of Mania/Hypomania [see Warnings and Precautions ( 5.6 )] Discontinuation Syndrome [see Warnings and Precautions ( 5.7 )] Seizures [see Warnings and Precautions ( 5.8 )] Angle-closure Glaucoma [see Warnings and Precautions ( 5.9 )] Hyponatremia [see Warnings and Precautions ( 5.10 )] Bone Fracture [see Warnings and Precautions ( 5....
What are the important warnings for Paroxetine Hydrochloride?▼
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adult patients in short-term studies. Closely monitor all antidepressant-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors [see Warnings and Precautions ( 5.1 )]. Paroxetine tablets are not approved for use in pediatric patients [see Use in Specific Populations ( 8.4 )]. 5 WARNINGS AND PRECAUTIONS Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. If occurs, discontinue paroxetine tablets and serotonergic agents and initiate supportive measures. ( 5.2 ) Embryofetal Toxicity: May cause fetal harm. Meta-analyses of epidemiological studies have shown increased risk (less than 2-fold) of cardiovascular malformations with exposure during the first trimester. ( 5.4 , 8.1 ) Increased Risk of Bleeding: Concomitant use of aspirin, nonsteroidal anti- inflammatory drugs, other antiplatelet drugs, warfarin, and other anticoagulant drugs may increase risk. ( 5.5 ) Activation of Mania/Hypomania: Screen patients for bipolar disorder. ( 5.6 ) Seizures: Use with caution in patients with seizure disorders. 4 CONTRAINDICATIONS Paroxetine tablets are contraindicated in patients: Taking, or within 14 days of stopping, MAOIs (including the MAOIs linezolid and intravenous methylene blue) because of an increased risk of serotonin syndrome [see Warnings and Precautions ( 5.2 ), Drug Interactions ( 7 )].
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.