Bupropion Hcl Tablets

— THERAPEUTIC CATEGORIES —
  • Mood disorders

Bupropion Hcl Tablets Generic Name & Formulations

General Description

Bupropion HCl 75mg, 100mg.

Pharmacological Class

Aminoketone.

How Supplied

XL tabs 150mg—30, 90; 300mg—30; SR tabs—60; Tabs—contact supplier

Generic Availability

YES

Bupropion Hcl Tablets Indications

Indications

Major depressive disorder (MDD).

Bupropion Hcl Tablets Dosage and Administration

Adult

Swallow whole. Avoid bedtime dosing. ≥18yrs: initially 100mg twice daily for at least 3 days; if tolerated, increase to 100mg 3 times daily at least 6hrs apart; max increase 100mg/day per 3-day period. May increase after several weeks to max 450mg/day in 3 divided doses; max single dose: 150mg (give 400mg/day as 100mg 4 times daily at least 4hrs apart). Moderate to severe hepatic impairment: max 75mg once daily. Renal or mild hepatic impairment: consider reduced dose and/or dose frequency. Switching to Wellbutrin XL: give same total daily dose.

Children

<18yrs: not established.

Bupropion Hcl Tablets Contraindications

Contraindications

Seizure disorders. Bulimia. Anorexia nervosa. During or within 14 days of discontinuing MAOIs. Concomitant linezolid or IV methylene blue. Abrupt withdrawal of alcohol, benzodiazepines, barbiturates, or antiepileptics. Other forms of bupropion (eg, Zyban).

Bupropion Hcl Tablets Boxed Warnings

Boxed Warning

Suicidal thoughts and behaviors.

Bupropion Hcl Tablets Warnings/Precautions

Warnings/Precautions

Not for treating bipolar depression or for smoking cessation. Increased risk of suicidal thinking and behavior in children, adolescents, and young adults; monitor all patients for clinical worsening or unusual behavioral changes. Monitor for neuropsychiatric adverse events (eg, behavioral changes, agitation, depression, suicidal ideation); evaluate and consider treatment continuation under closer monitoring, or discontinuation if occur. Pre-existing psychiatric disorders. Bipolar disorder. Mania/hypomania. Psychosis. Risk of seizures; discontinue if seizure occurs: do not restart. Angle-closure glaucoma. Unstable heart disease. CHF. Recent MI. Monitor BP before initiating and periodically during treatment. Hepatic or renal impairment (monitor closely). Reevaluate periodically. Maintain at lowest effective dose. Write ℞ for smallest practical amount. Elderly. Pregnancy. Nursing mothers.

Bupropion Hcl Tablets Pharmacokinetics

See Literature

Bupropion Hcl Tablets Interactions

Interactions

See Contraindications. Do not start with concomitant linezolid or IV methylene blue; if treatment necessary, discontinue bupropion before starting. Monitor for 2 weeks or until 24hrs after last dose of linezolid or IV methylene blue, whichever comes first. Avoid alcohol. Levodopa, amantadine may increase CNS toxicity. Caution with drugs that lower seizure threshold (eg, theophylline, antidiabetics, anorectics, CNS stimulants, systemic steroids, tricyclic antidepressants, antipsychotics) or factors that lower seizure threshold (eg, opiate or cocaine addiction, excessive use of alcohol or sedatives). Caution with CYP2B6 inhibitors (eg, ticlopidine, clopidogrel) or drugs metabolized by CYP2D6 including antidepressants (eg, venlafaxine, nortriptyline, imipramine, desipramine, paroxetine, fluoxetine, sertraline), antipsychotics (eg, haloperidol, risperidone, thioridazine), β-blockers (eg, metoprolol), Class 1C antiarrhythmics (eg, propafenone, flecainide); consider dose reduction. Caution with CYP2B6 inducers (eg, ritonavir, lopinavir, efavirenz, carbamazepine, phenobarbital, phenytoin), tamoxifen; consider dose increase. May antagonize digoxin; monitor. May cause false (+) urine immunoassay test results for amphetamine.

Bupropion Hcl Tablets Adverse Reactions

Adverse Reactions

Dry mouth, nausea, insomnia, dizziness, pharyngitis, abdominal pain, agitation, anxiety, tremor, palpitation, sweating, tinnitus, myalgia, anorexia, urinary frequency, rash (rarely may be serious, eg, erythema multiforme, Stevens-Johnson syndrome), headache, blurred vision, tachycardia; hypertension.

Bupropion Hcl Tablets Clinical Trials

See Literature

Bupropion Hcl Tablets Note

Not Applicable

Bupropion Hcl Tablets Patient Counseling

See Literature