Drug interactions may change how your child's medications work or increase your child's risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products your child uses (including prescription/nonprescription drugs and herbal products) and share it with the doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without the doctor's approval.

Some products that may interact with this drug are: drugs that can harm the eye (retinotoxic drugs such as chloroquine, hydroxychloroquine, phenothiazines including thioridazine), orlistat.

Tell the doctor or pharmacist if your child is taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).

Check the labels on all your child's medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask the pharmacist about using those products safely.

This medication may interfere with certain lab tests (such as liver function tests), possibly causing false test results. Make sure lab personnel and all the doctors know your child uses this drug.