In a clinical trial with 578 adolescent patients, 12 through 17 years of age, the most common adverse event was headache; this occurred in 5.9% of patients treated with desloratadine and 6.9% of patients receiving placebo.
Kliinilises uuringus, mis hõlmas 578 patsienti vanuses 12 kuni 17 aastat, oli kõige sagedamini esinev kõrvaltoime peavalu; see ilmnes 5, 9% - l patsientidest, keda raviti desloratadiiniga ning 6, 9% - l patsientidest, kes said platseebot.