التداخل بين ديكسميثيل فينيدات وريتونافير

Anesthetic: meperidine ↓ meperidine/ ↑ normeperidine (metabolite) Dosage increase and long-term use of meperidine with ritonavir are not recommended due to the increased concentrations of the metabolite normeperidine which has both analgesic activity and CNS stimulant activity (e.g., seizures).

Stimulant: methamphetamine ↑ methamphetamine Use with caution.