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Side Effects
Risperidone
The most commonly-noted side effects associated with risperidone are
extrapyramidal effects (sudden, often jerky, involuntary motions of the
head, neck, arms, body, or eyes), dizziness, hyperactivity, tiredness,
abdominal pain, fatigue, fever and nausea.
Risperidone may cause a condition called orthostatic hypotension during the
early phase of treatment (the first week or two). Patients who develop
orthostatic hypotension have a drop in their blood pressure when they rise
from a lying position and may become dizzy or even lose consciousness.
Studies involving risperidone suggest an increased risk of
hyperglycemia-related adverse reactions as seen in diabetes. Although there
is no clear link between risperidone and diabetes, patients should be tested
during treatment for elevated blood sugars. Additionally, persons with risk
factors for diabetes, including obesity or a family history of diabetes,
should have their fasting levels of blood sugar tested before starting
treatment and periodically throughout treatment to detect the onset of
diabetes
Risperidone side effects included:
* Drowsiness
* An increased appetite
* Upper respiratory tract infections, such as the common cold
* Insomnia
* Agitation
* Increased salivation
* Anxiety
* Headaches
* Dizziness
Some of the other common risperidone side effects included:
* Constipation or diarrhea
* Dry mouth
* Nausea or vomiting
* Indigestion or heartburn
* An irritated or runny nose
* Abdominal pain (or stomach pain)
* A sore throat
* Vision changes
* Problems with bladder control
* Muscle pain, chest pain, joint pain, or back pain
* Weight gain
* Toothaches
* Coughing
* Sinus infections
* Dry skin
* Fatigue or weakness
* Fever
* Confusion or decreased concentration
* Acne
* Sexual problems

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