Description
What this medicine is for
Mysimba Tablets are a prescription weight management treatment used in adults with obesity, or those who are overweight with weight-related health conditions.
Obesity is a long-term medical condition that can increase the risk of conditions such as type 2 diabetes, high blood pressure, and heart disease.
How it works
Mysimba contains two active ingredients: naltrexone and bupropion.
These medicines work together on areas of the brain involved in appetite control and reward pathways. This helps reduce cravings and appetite, supporting lower food intake when combined with a reduced-calorie diet and regular exercise.
Key Benefits
- Prescription treatment to support clinically managed weight loss
- Works on appetite and craving control centres in the brain
- Helps reduce food intake and snacking behaviour
- Designed to be used alongside diet and lifestyle changes
Dosage guidance
- Taken as gradually increasing daily doses as prescribed by a healthcare professional
- Tablets should be taken morning and evening as directed
- Must be used alongside a calorie-controlled diet and exercise programme
- Follow prescriber instructions carefully and do not exceed recommended dose
Common side effects
- Nausea
- Headache
- Constipation
- Dizziness
- Dry mouth
- Insomnia (difficulty sleeping)
Patient Information Leaflet (PIL)
Please refer to the official patient leaflet:
Warnings
Do not take Mysimba if you have uncontrolled high blood pressure, seizure disorders, or certain psychiatric conditions.
Not suitable during pregnancy or breastfeeding.
Use only under medical supervision due to its action on the central nervous system.
Important information
Tell your healthcare provider if you:
- Are taking any other medicines, especially antidepressants or opioid-based medicines
- Have a history of seizures, high blood pressure, or mental health conditions
- Are pregnant, planning pregnancy, or breastfeeding
- Have any long-term medical conditions
Please note: The product you receive may differ from the images shown above in terms of packaging.
Written and Reviewed by Medical Professionals
All of our content is created by qualified experts and carefully reviewed by medical professionals.





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