Risperidone and Arpixor are preparations containing different active substances, risperidone and aripiprazole, respectively. Both products are indicated for use, m.in, in the treatment of schizophrenia and bipolar disorder.
As with all medications, side effects may or may not occur while taking Risperidone and Arpixor. According to the documentation of both substances, the most common adverse reactions occurring with risperidone were parkinsonism, headache and insomnia, and akathisia and nausea with aripiprazole. A tabular comparison of the side effects of these substances can be found in the following links:

https://www.gdziepolek.pl/produkty/67639/risperidon-vipharm-tabletki-powlekane/charakterystyka-produktu

https://www.gdziepolek.pl/produkty/106176/arpixor-tabletki/charakterystyka-produktu

Unfortunately, it is impossible to predict whether and what side effects will occur in a particular person. Whether a drug is safer and more effective for the patient is an individual feature.

You can read more about it here:

https://www.gdziepolek.pl/artykuly/czy-bac-sie-dzialan-niepozadanych-lekow

Both risperidone and aripiprazole belong to the group of second-generation antipsychotics, exhibiting antagonistic properties to dopaminergic and serotonin receptors.

Here you can book Arpixor and Risperidone at the pharmacy of your choice:

https://www.gdziepolek.pl/produkty/106176/arpixor-tabletki/apteki

https://www.gdziepolek.pl/substancje/risperidone