nobody here is a doctor or a pharmacist so we cant answer that for you so either call your doctor that prescribed it or call the pharmacy that fill your script
I see no sexual side effects listed for ritalin.
Found plenty listed for Celexa - see below.
SIDE EFFECTS: The most common side effects associated with citalopram are nausea, dry mouth, vomiting, excessive sweating, headache, tremor, drowsiness, and inability to sleep. Overall, between 1 in 6 and 1 in 5 persons experience a side effect. Citalopram is also associated with sexual dysfunction. Some patients may experience withdrawal reactions upon stopping citalopram. The following side effects are associated with Celexa Oral:
Common side effects:
Inability to have an Erection Severe
Sexual Problems Severe
Altered Interest in Having Sexual Intercourse Severe
Problem with Ejaculation Severe