Mysimba

Mysimba Dosage: Understand the Four-Week Schedule

Searching for the correct Mysimba dosage? At
Alluvi Healthcare,
visitors can review the Mysimba catalogue listing, compare related oral weight-management products and access clear information about the official dose-escalation schedule.

Mysimba contains two active ingredients: naltrexone hydrochloride and bupropion hydrochloride. Each prolonged-release tablet contains 8mg of naltrexone hydrochloride and 90mg of bupropion hydrochloride.

The dose is normally increased gradually over four weeks rather than beginning at the maximum amount. This escalation gives the prescriber an opportunity to review tolerability, blood pressure, side effects and individual suitability.

Follow the prescription supplied for you. Do not increase the dose more quickly, take extra tablets or copy another person’s treatment schedule.

Official Mysimba Dosage Schedule

The standard adult dose-escalation schedule in the UK product information is:

The maximum standard daily dose is four tablets: two tablets in the morning and two tablets in the evening.

This schedule is general product information rather than an individual prescription. Some patients require a lower maximum dose or may not be suitable for Mysimba at all.

Review the Mysimba Product Listing

Open the

Mysimba product-information page

to review the current package, tablet strength, quantity, availability and store information.

Before proceeding, check:

• The complete product name
• The 8mg/90mg strength per tablet
• The number of tablets in the pack
• The manufacturer and original packaging
• The patient-information leaflet
• The prescription and consultation pathway
• The dispensing pharmacy
• The follow-up arrangements

A product page does not determine your dose. The prescription issued after the clinical assessment must take priority.

How to Take Mysimba Tablets

Mysimba is taken by mouth. The prolonged-release tablets should be swallowed whole with water and are preferably taken with food.

The tablets should not be:

• Cut
• Crushed
• Chewed
• Split to create a different dose

Damaging a prolonged-release tablet may affect how its ingredients are released.

Follow the official

Mysimba patient-information leaflet

and the instructions supplied by the responsible prescriber or pharmacist.

What Is the Maximum Mysimba Dosage?

The maximum standard dose is two tablets twice daily. This equals a total daily tablet content of 32mg naltrexone hydrochloride and 360mg bupropion hydrochloride.

Do not exceed this maximum. Taking too much bupropion increases the risk of serious effects, including seizures.

People with certain kidney or liver problems may require a lower maximum dose. Mysimba is contraindicated in end-stage kidney failure and severe liver impairment.

What Happens If a Mysimba Dose Is Missed?

If a dose is missed, official instructions state that it should be skipped. Take the next prescribed dose at the normal time.

Do not take a double dose or additional tablets to compensate for the missed dose.

Why Is the Mysimba Dose Increased Gradually?

The four-week escalation period introduces the medicine gradually before the standard maintenance dose is reached.

Mysimba can cause effects involving the digestive, cardiovascular and nervous systems. Gradual escalation allows tolerability and safety to be reviewed during the early treatment period.

Possible early effects can include:

• Nausea
• Vomiting
• Constipation
• Headache
• Dizziness
• Difficulty sleeping
• Dry mouth
• Anxiety or restlessness
• Increased blood pressure

Do not increase the dose when adverse effects remain significant. Contact the prescriber for individual guidance.

Mysimba Treatment Review at 16 Weeks

The need to continue Mysimba should be assessed after 16 weeks.

Official product information states that treatment should be discontinued when at least 5% of the initial body weight has not been lost by that point.

Treatment may also need to be stopped because of increased blood pressure, adverse effects, poor tolerability or another safety concern.

Continued treatment should be reviewed annually rather than renewed indefinitely without reassessment.

Who May Be Considered for Mysimba?

Mysimba is authorised as an adjunct to a reduced-calorie diet and increased physical activity in adults with:

• A BMI of 30kg/m² or above
• A BMI from 27kg/m² to below 30kg/m² with at least one weight-related condition

Examples of relevant conditions include type 2 diabetes, abnormal blood-lipid levels or controlled high blood pressure.

Eligibility must be established through an individual assessment. BMI alone does not confirm that Mysimba is appropriate.

When the Standard Mysimba Dosage May Not Apply

The standard schedule may be unsuitable or require adjustment in people with:

• Kidney impairment
• Liver impairment
• Age over 65
• Diabetes treatment that can cause low blood sugar
• Medicines that interact with naltrexone or bupropion
• Side effects during dose escalation

Mysimba is not recommended for people older than 75 years. The prescriber may require blood tests, blood-pressure monitoring or a reduced maximum dose in other higher-risk patients.

Who Should Not Take Mysimba?

Mysimba has important contraindications. It should not be taken by people with certain conditions, including:

• Uncontrolled high blood pressure
• A current seizure disorder or history of seizures
• A brain tumour
• A history of bipolar disorder
• Bulimia or anorexia nervosa
• Severe liver impairment
• End-stage kidney failure
• Current opioid dependence or acute opioid withdrawal
• Current treatment containing naltrexone or bupropion
• Monoamine oxidase inhibitor use within the previous 14 days

This is not a complete contraindication list. Review the official leaflet and provide the prescriber with a complete medical and medication history.

Mysimba and Opioid Medicines

Naltrexone blocks opioid receptors. Mysimba can therefore interfere with opioid pain medicines and opioid-dependence treatments.

Attempting to overcome this blocking effect by taking larger opioid amounts can cause life-threatening poisoning. Opioid sensitivity may also change after Mysimba is stopped.

Tell the prescriber about codeine, morphine, tramadol, methadone, buprenorphine and any other opioid before treatment or planned surgery.

Pregnancy and Breastfeeding

Mysimba should not be used during pregnancy, while planning pregnancy or while breastfeeding.

Contact the responsible healthcare professional when pregnancy occurs or is suspected during treatment.

Driving During Dose Escalation

Mysimba can cause dizziness, drowsiness, fainting and, rarely, seizures. These effects may be particularly relevant when treatment begins or the dose changes.

Do not drive, use machinery or perform dangerous activities until you know how the medicine affects you.

Read the

MHRA Mysimba driving safety guidance
.

Mysimba NHS and Private Prescription Status

Mysimba has UK product information and requires a prescription. However, NICE does not recommend naltrexone–bupropion for routine NHS use in managing overweight and obesity.

Visitors may therefore encounter Mysimba mainly through private weight-management services. A private service must still provide an appropriate assessment, qualified prescribing and registered pharmacy dispensing.

Mysimba Versus Orlistat

Mysimba and orlistat work differently.

• Mysimba contains naltrexone and bupropion and acts on brain pathways involved in food intake and energy balance.
• Orlistat acts in the digestive system to reduce the absorption of some dietary fat.

Compare the

Orlistat Capsules 120mg information

and the

Xenical 120mg listing
.

Mysimba Versus Qsymia and Phentermine

Mysimba does not contain phentermine or topiramate.

Qsymia combines phentermine with extended-release topiramate, while standalone phentermine products contain a controlled stimulant-type medicine.

Compare the separate

Qsymia information

and

Phentermine catalogue page

without assuming that these products share the same dosage or UK status.

Explore Related Weight-Management Information

Browse the

Alluvi Healthcare Weight Loss category

for additional product-information pages.

These catalogue links support comparison. They do not replace individual medical advice or establish that a particular medicine is suitable.

Shipping and Prescription Requirements

Review the

Alluvi Healthcare Shipping Policy

for general delivery information.

Prescription requirements, pharmacy regulations, destination laws, stock and carrier conditions determine whether an eligible order can be accepted or delivered.

Worldwide shipping language does not mean that Mysimba can be supplied without a consultation or sent lawfully to every destination.

Frequently Asked Questions About Mysimba Dosage

What is the starting Mysimba dosage?

The standard starting schedule is one 8mg/90mg tablet in the morning during week one.

How is the Mysimba dose increased?

It is normally increased weekly over four weeks until the prescribed maintenance dose is reached.

What is the maximum daily Mysimba dose?

The standard maximum is two tablets in the morning and two tablets in the evening.

Should Mysimba be taken with food?

The official product information states that the tablets should preferably be taken with food.

Can Mysimba tablets be crushed?

No. They are prolonged-release tablets and should be swallowed whole without cutting, chewing or crushing.

What should I do after missing a dose?

Skip the missed dose and take the next prescribed dose at the normal time. Do not take a double dose.

Can I increase the dose early?

No. Do not increase the dose faster than prescribed. Contact the prescriber when the current dose is not tolerated.

When should Mysimba be reviewed?

Treatment should be reviewed after 16 weeks and then annually when it continues.

What happens if less than 5% weight is lost?

Official product information states that Mysimba should be discontinued after 16 weeks when at least 5% of the initial body weight has not been lost.

Can kidney or liver problems change the dose?

Yes. A reduced maximum dose or complete avoidance may be necessary depending on the severity of impairment.

Review Mysimba Dosage Information Carefully

The standard Mysimba dosage is increased gradually over four weeks, but the correct prescription depends on individual health, medicines, kidney and liver function, age and tolerability.

Review the

Mysimba product-information listing

and follow the instructions supplied by the prescriber and dispensing pharmacy.

Follow the prescription. Never double a missed dose. Contact the prescriber before changing or stopping treatment.