Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

Headache

Rash

Blurred vision

A drop in blood pressure that occurs when going from lying down to sitting or standing, which results in dizziness and lightheadedness (postural hypotension)

Fatigue

Agitation

Weight gain

High blood glucose level (hyperglycaemia)

Problems with sexual function

Dizziness

Abnormal movements of the hands, legs, face, neck and tongue, eg tremor, twitching, rigidity (extrapyramidal effects)

Excessive fluid retention in the body tissues, resulting in swelling (oedema)

Sleepiness (somnolence)

Inflammation of the lining of the nose (rhinitis) causing a blocked or runny nose

Anxiety

High blood prolactin (milk producing hormone) level (hyperprolactinaemia). Rarely this may lead to symptoms such as breast enlargement, production of milk and menstrual disturbances.

Disturbances of the gut such as constipation, nausea, vomiting or abdominal pain

Difficulty in sleeping (insomnia)

Concentration difficulties

The side effects listed above may not include all of the side effects reported by the drug's manufacturer. For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

There may be an increased risk of drowsiness and sedation if risperidone is taken with any of the following (which can also cause drowsiness): - alcohol - tricyclic antidepressants, eg amitriptyline - narcotics, eg morphine, codeine - benzodiazepines, eg diazepam - sedating antihistamines, eg chlorpheniramine - sleeping tablets. There may be an increased risk of abnormal heart rhythms (prolonged QT interval on the heart monitoring trace or ECG) if risperidone is taken with any of the following medicines: - antiarrhythmics, eg amiodarone, procainamide, disopyramide, sotalol - antidepressants, eg amitriptyline, imipramine, maprotiline - the anthistamines astemizole (no longer available in the UK) or terfenadine - antimalarials, eg halofantrine, chloroquine, quinine - antipsychotics, eg thioridazine, chlorpromazine, sertindole, haloperidol - intravenous erythromycin or pentamidine - cisapride. Risperidone may oppose the effects of levodopa and dopamine agonists used to treat Parkinson's disease. Carbamazepine may reduce the blood level of risperidone. Fluoxetine may increase the blood level of risperidone.

Other medicines containing the same active ingredients

Risperdal

<<Go To Page 1

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care or attention by a qualified practitioner. The materials in this web site cannot and should not be used as a basis for diagnosis or choice of treatment. Conditions for use



© Copyright 1998 - 2004 NetDoctor.co.uk - All rights reserved