Methscopolamine / phenylephrine Side Effects
Nervous system side effects have included drowsiness, lassitude, giddiness, increased irritability or excitement.[Ref]
Ocular side effects have included blurred vision.[Ref]
1. "Product Information. Extendryl PEM (methscopolamine-phenylephrine)." Auriga Laboratories Inc, Norcross, GA.
Some side effects may not be reported. You may report them to the FDA.