When Risperidone is co-administered with enzyme inducers (e.g., carbamazepine), the dose of Risperidone should be increased up to double the patient's usual dose. It may be necessary to decrease the Risperidone dose when enzyme inducers such as carbamazepine are discontinued [see Drug Interactions (7.1)].
Feo is an adjective meaning ugly or unattractive in Spanish. Because the adjective ends in an o the adjective refers to a masculine noun. If you wanted to describe a feminine noun as ugly, you would end the adjective with an a, i.e.  fea..
Ese is a demonstrative adjective, it's always followed by the noun: Ese libro.Its feminine is esa, and its plural is esos. Eso is a demonstrative neuter pronoun: it replaces the noun: MuÃ©streme eso. Also note that both Ã©se and eso are demonstrative pronouns.