Risodil 4 Tablet Risperidone Dextromethorphan + Phenylephrine + Triprolidine
ModerateRisperidone is named in the leaflet as one of the medicines that can interact with dextromethorphan, phenylephrine and triprolidine. The text doesn't say what the effect is.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.