Like all medicines, Aloxi can cause side effects, although not everybody gets them.
The frequency of possible side effects listed below is defined using the following convention: very common (affects more than 1 user in 10); common (affects 1 to 10 users in 100); uncommon (affects 1 to 10 users in 1,000); rare (affects 1 to 10 users in 10,000); very rare (affects less than 1 user in 10,000); not known (frequency cannot be estimated from the available data).
Common side effects:
headache, dizziness, constipation and diarrhoea.
Uncommon side effects:
- high or low blood pressure
- abnormal heart rate or lack of blood flow to the heart
- change in the color of the vein and/or veins becoming larger
- abnormally high or low levels of potassium in the blood
- high levels of sugar in the blood or sugar in the urine
- low levels of calcium in the blood
- high levels of the pigment bilirubin in the blood
- high levels of certain liver enzymes
- elevated moods or feelings of anxiousness
- sleepiness or trouble sleeping
- decrease or loss of appetite
- weakness, tiredness, fever or flu like symptoms
- numbness, burning, prickling or tingling sensations on the skin
- itchy skin rash
- impaired vision or eye irritation
- motion sickness
- ringing in the ear
- hiccups, flatulence, dry mouth or indigestion
- abdominal (stomach) pain
- difficulty urinating
- joint pain
- electrocardiogram abnormalities (QT prolongation)
Very rare side effects:
Allergic reactions to Aloxi (The signs may include swelling of the lips, face, tongue or throat, having difficulty breathing or collapsing, you could also notice an itchy, lumpy rash (hives)), burning or pain at the site of injection.
If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.