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Contrave Prescription
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Generic Name: bupropion and naltrexone (bue PRO pee on and nal TREX own)
Brand Names: Contrave
Contrave (bupropion/naltrexone) helps manage weight in overweight adults with weight-related medical problems. Includes Contrave side effects, interactions and indications.
Generic Name: bupropion and naltrexone (bue PRO pee on and nal TREX own)
Brand Names: Contrave
Contrave (bupropion/naltrexone) helps manage weight in overweight adults with weight-related medical problems. Includes Contrave side effects, interactions and indications.
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30 tablets of Contrave 40 mg
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Contrave Drug Information:

Contrave contains a combination of bupropion and Naltrexone. Bupropion is an antidepressant medicine that can also decrease appetite. Naltrexone is usually given to block the effects of narcotics or alcohol in people with addiction problems. Naltrexone may also curb hunger and food cravings. Contrave is an anorexiant and is used to help manage weight in obese or overweight adults with weight-related medical problems. This medicine is used together with diet and exercise. Contrave will not treat any weight-related medical condition, such as high blood pressure, Diabetes, or high cholesterol. Learn more

Contrave Medicare Coverage

Contrave Medicare Overview

Does Medicare cover Contrave?


In general, Medicare plans do not cover this drug. This drug will likely be quite expensive and you may want to consider using a USARx discount instead of Medicare to find the best price for this prescription.
How much is my Contrave co-pay with Medicare?

It depends. Which coverage stage are you in? Click on a tab below…



In the Deductible co-pay stage, you are responsible for the full cost of your prescriptions. Your Medicare deductible cannot exceed $360 in 2016.

Ways to Save on Contrave

Here are some ways that may lower the cost of your contrave prescription.

  • Instead of Medicare, Use a USA Rx Coupon

    If your Medicare co-pay is higher, you can save money by using a USARx coupon instead.

Contrave Side Effects

Note: This document contains side effect information about bupropion / naltrexone. Some of the dosage forms listed on this page may not apply to the brand name Contrave.

In Summary

Common side effects of Contrave include: constipation, dizziness, headache, insomnia, nausea, and vomiting. Other side effects include: anxiety, diarrhea, increased blood pressure, tremor, depression, hypertension, and xerostomia. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to bupropion / naltrexone: oral tablet extended release


Oral route (Tablet, Extended Release)

Naltrexone hydrochloride/buPROPion hydrochloride is not approved for use in the treatment of major depressant disorder or other psychiatric disorders. Naltrexone hydrochloride/buPROPion hydrochloride contains buPROPion, the same active ingredient as some other antidepressant medications (including, but not limited to, WELLBUTRIN, WELLBUTRIN SR, WELLBUTRIN XL, and Aplenzin). Antidepressants increased the risk of suicidal thoughts and behavior in children, adolescents, and young adults in short-term trials. These trials did not show an increase in the risk of suicidal thoughts and behavior with antidepressant use in subjects over age 24; there was a reduction in risk with antidepressant use in subjects aged 65 and older. In patients of all ages who are started on naltrexone hydrochloride/buPROPion hydrochloride, monitor closely for worsening, and for the emergence of suicidal thoughts and behaviors. Advise families and caregivers of the need for close observation and communication with the prescriber. Naltrexone hydrochloride/buPROPion hydrochloride is not approved for use in pediatric patients.

Along with its needed effects, bupropion / naltrexone may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking bupropion / naltrexone:

More common

  • Blurred vision
  • discouragement
  • dizziness
  • fear or nervousness
  • feeling sad or empty
  • headache
  • irritability
  • lack of appetite
  • loss of interest or pleasure
  • pounding in the ears
  • slow or fast heartbeat
  • trouble concentrating
  • trouble sleeping
  • unusual tiredness or weakness

Less common

  • Bladder pain
  • bloody or cloudy urine
  • difficult, burning, or painful urination
  • fast, irregular, pounding, or racing heartbeat or pulse
  • frequent urge to urinate
  • lower back or side pain
  • shakiness in the legs, arms, hands, or feet
  • trembling or shaking of the hands or feet

Less common or rare

  • Chest pain or discomfort
  • nausea
  • pain or discomfort in the arms, jaw, back, or neck
  • sweating
  • vomiting


  • Changes in behavior
  • thoughts of killing oneself

Incidence not known

  • Aggressive or angry
  • anxiety
  • blistering, peeling, or loosening of the skin
  • chills
  • clay colored stools
  • cough
  • dark urine
  • delusions of persecution, mistrust, suspiciousness, or combativeness
  • diarrhea
  • difficulty with moving
  • difficulty with swallowing
  • dry mouth
  • false beliefs that cannot be changed by facts
  • feeling that others are watching you or controlling your behavior
  • feeling, seeing, or hearing things that are not there
  • fever
  • hives, itching, or rash
  • hyperventilation
  • joint or muscle pain
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • muscle stiffness
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • red, irritated eyes
  • restlessness
  • severe mood or mental changes
  • sore throat
  • sores, ulcers, or white spots in the mouth or on the lips
  • stomach pain or tenderness
  • swelling of the feet or lower legs
  • tightness in the chest
  • unusual behavior
  • yellow eyes or skin

Get emergency help immediately if any of the following symptoms of overdose occur while taking bupropion / naltrexone:

Symptoms of overdose

  • Blue lips, fingernails, or skin
  • change in or loss of consciousness
  • confusion
  • decreased awareness or responsiveness
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • muscle cramps or spasms
  • severe sleepiness

Some side effects of bupropion / naltrexone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • Difficulty having a bowel movement

Less common

  • Change or loss of taste
  • continuing ringing or buzzing or other unexplained noise in the ears
  • feeling of warmth
  • hearing loss
  • increased sweating
  • redness of the face, neck, arms, and occasionally, upper chest
  • stomach pain

Less common or rare

  • Feeling of constant movement of self or surroundings
  • indigestion
  • sensation of spinning
  • severe nausea or vomiting
  • thinning of the hair or hair loss

For Healthcare Professionals

Applies to bupropion / naltrexone: oral tablet extended release


The more commonly reported adverse reactions have included nausea, constipation, headache, vomiting, dizziness, insomnia, dry mouth, and diarrhea.


Very common (10% or more): Sleep disorders (up to 13.8%)

Common (1% to 10%): Depression, anxiety, irritability

Uncommon (0.1% to 1%): Insomnia, abnormal dreams, nervousness, dissociation (feeling spacey), tension, agitation, mood swings

Rare (less than 0.1%): Suicidal ideation

During clinical trials, suicidal ideation was reported by 0.03% (n=1/3239) of patients receiving this drug and 0.2% of placebo (n=3/1239) patients. No suicides or suicide attempts were reported in studies up to 56 weeks.

Nervous system

Very common (10% or more): Headache (up to 17.6%), dizziness (up to 10.4%)

Common (1% to 10%): Tremor, dysgeusia, attention disorders

Uncommon (0.1% to 1%): Vertigo, motion sickness, disturbance in attention, lethargy, intention tremor, balance disorder, memory impairment, amnesia, mental impairment, presyncope/syncope, hernia, seizure

Postmarketing reports: Loss of consciousness

The incidence of seizure in patients receiving this drug in clinical trials was approximately 0.1% vs 0% on placebo.


Common (1% to 10%): Hot flush, hypertension, increased blood pressure, palpitations

Uncommon (0.1% to 1%): Tachycardia, myocardial infarction

Frequency not reported: Increased heart rate

During clinical trials, patients receiving this drug had increases to mean systolic and diastolic blood pressure (BP) of approximately 1 mmHg from baseline at weeks 4 and 8, BP similar to baseline at week 12, and BP approximately 1 mmHg below baseline between weeks 24 and 56. In contrast, mean BP for placebo treated patients was approximately 2 to 3 mmHg below baseline throughout the study. Mean heart rate was 2.1 beats per minute higher in the drug-treated patients at weeks 4 and 8; at week 52, the difference between groups was 1.7 beats per minute.



Frequency not reported: Anaphylactoid/anaphylactic reactions, symptoms suggestive of delayed hypersensitivity such as arthralgia, myalgia, fever with rash

Postmarketing reports: Erythema multiforme, Stevens-Johnson syndrome, and anaphylactic shock


Uncommon (0.1% to 1%): Cholecystitis, increased hepatic enzymes


Serum creatinine increases that exceeded the upper limit of normal and were also 50% higher than baseline or greater occurred in 0.6% of patients receiving this drug (0.1% in placebo). The observed increase may be the result of OCT2 inhibition.

Uncommon (0.1% to 1%): Kidney infection, increased blood creatinine, increased serum creatinine, micturition urgency


Common (1% to 10%): Hyperhidrosis, rash

Uncommon (0.1% to 1%): Alopecia


Very common (10% or more): Nausea (up to 32.5%), constipation (up to 19.2%), vomiting (up to 10.7%)

Common (1% to 10%): Dry mouth, diarrhea, upper abdominal pain, viral gastroenteritis, abdominal pain

Uncommon (0.1% to 1%): Lower abdominal pain, eructation, lip swelling, hematochezia


Common (1% to 10%): Urinary tract infection

Uncommon (0.1% to 1%): Vaginal hemorrhage, irregular menstruation, erectile dysfunction, vulvovaginal dryness


Uncommon (0.1% to 1%): Decreased hematocrit


Common (1% to 10%): Influenza


Uncommon (0.1% to 1%): Dehydration


Common (1% to 10%): Muscle strain

Uncommon (0.1% to 1%): Intervertebral disc protrusion, jaw pain


Common (1% to 10%): Fatigue, tinnitus

Uncommon (0.1% to 1%): Feeling jittery, feeling abnormal, asthenia, thirst, feeling hot, staphylococcal infection

Postmarketing reports: Malaise


Uncommon (0.1% to 1%): Pneumonia

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/3/2022.

Source: Drugs.com Contrave (www.drugs.com/contrave.html).