What should I expect when taking Mysimba?

What should I expect when taking Mysimba?

Like all medicines, Mysimba can cause side effects, although not everybody gets them.

Serious side effects
Tell your doctor straight away, if you notice any of the following serious side effects.

Fits (seizures):
Having a fit or seizure is a rare side effect of taking Mysimba and may affect up to 1 in 1,000 people taking.

Symptoms of a fit include convulsions and usually loss of consciousness. Someone who has had a fit may be confused afterwards and may not remember what has happened. Fits are more likely if you:

• take too much Mysimba;
• also take some other medicines; or
• are at a higher than usual risk of fits.

Very common side effects 

These are very common side effects of taking Mysimba that may affect more than 1 in 10 people.
Feeling sick (nauseous); or getting sick (vomiting).
Pain in the abdomen (stomach).
Constipation.
Headache.
Difficulty in sleeping – make sure you do not take Mysimba near bedtime.
Anxiety or agitation.
Joint and muscle pain.


Common side effects 

These are common side effects of Mysimba that may affect up to 1 in 10 people.
Your white blood cell count may fall – these white blood cells are called lymphocyte cells.
Dizziness, feeling of dizziness or ‘spinning’ (vertigo).
Feeling shaky (tremor).
Increased energy; or irritability.
Feeling depressed; or having a mood disorder.
Chills; or fever.
Decreased appetite; or diarrhoea.
Changes in the taste of food (dysgeusia); dry mouth; or toothache.
Difficulty concentrating.
Feeling of tiredness, drowsiness; or lack of energy (lethargy).
Ringing in the ears (tinnitus).
Fast or irregular heartbeat.
Hot flush.
Watery eyes.
Pain in the upper part of the abdomen.
Delayed ejaculation.
Chest pain; or a change in the results of an electrocardiogram – this is a test done to record the
electrical activity of the heart.
Excessive sweating (hyperhidrosis).
Hives, rash, itching (pruritus).
Hair loss (alopecia).

Additional side effects include uncommon, rare and very rare side effects.

For more information on all side effects including uncommon, rare and very rare side effects, please read the Patient Information Leaflet inside your package of Mysimba medication.

Reporting side effects
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed here.
In Ireland, you can also report side effects directly to:

HPRA Pharmacovigilance
Earlsfort Terrace
Dublin 2
Ireland
Phone: +353 1 676 4971
Fax: +353 1 676 2517
Website: www.hpra.ie
e-mail: medsafety@hpra.ie

By reporting side effects, you can help provide more information on the safety of this medicine.

IE/MYS/1017/0077g | Date of preparation: October 2017

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This site has been developed as a source of information for healthcare professionals or patients who have been prescribed Mysimba®. This website is not intended for the general public. The information on this website is intended for Republic of Ireland residents only.