Generic name: NALTREXONE HYDROCHLORIDE 8mg, BUPROPION HYDROCHLORIDE 90mg
Dosage form: tablet, film coated, extended release
The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.
CONTRAVE dosing should be escalated according to the following schedule:
|Morning Dose||Evening Dose|
|Week 1||1 tablet||None|
|Week 2||1 tablet||1 tablet|
|Week 3||2 tablets||1 tablet|
|Week 4 – Onward||2 tablets||2 tablets|
A total daily dosage of two CONTRAVE 8 mg/90 mg tablets twice daily (32 mg/360 mg) is reached at the start of Week 4.
CONTRAVE should be taken by mouth in the morning and in the evening. The tablets should not be cut, chewed, or crushed. Total daily doses greater than 32 mg/360 mg per day (two tablets twice daily) are not recommended. In clinical trials, CONTRAVE was administered with meals. However, CONTRAVE should not be taken with a high-fat meal because of a resulting significant increase in bupropion and naltrexone systemic exposure [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
Patients may develop elevated blood pressure or heart rate during CONTRAVE treatment; the risk may be greater during the initial three months of therapy [see Warnings and Precautions (5.6)]. Because patients with hypertension may be at increased risk for developing blood pressure elevations, such patients should be monitored for this potential effect when initiating treatment with CONTRAVE.
Response to therapy should be evaluated after 12 weeks at the maintenance dosage. If a patient has not lost at least 5% of baseline body weight, discontinue CONTRAVE, as it is unlikely that the patient will achieve and sustain clinically meaningful weight loss with continued treatment.
BMI is calculated by dividing weight (in kg) by height (in meters) squared. A BMI chart for determining BMI based on height and weight is provided in Table 1.
Dose Adjustment in Patients with Renal Impairment
In patients with moderate or severe renal impairment, the maximum recommended daily dose for CONTRAVE is two tablets (one tablet each morning and evening). CONTRAVE is not recommended for use in patients with end-stage renal disease. There is a lack of adequate information to guide dosing in patients with mild renal impairment [see Use in Specific Population (8.6) and Clinical Pharmacology (12.3)].
Dose Adjustment in Patients with Hepatic Impairment
Switching a Patient To or From a Monoamine Oxidase Inhibitor (MAOI) Antidepressant
At least 14 days should elapse between discontinuation of an MAOI intended to treat depression and initiation of therapy with CONTRAVE. Conversely, at least 14 days should be allowed after stopping CONTRAVE before starting an MAOI antidepressant [see Contraindications (4) and Drug Interactions (7.1)].
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