Tell your doctor about all your current medicines and any you start or stop using, especially:
an antidepressant, including MAO inhibitors (isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, tranylcypromine, or methylene blue injection), and SSRIs (citalopram, escitalopram, fluoxetine, paroxetine, sertraline, vilazodone) and others;
blood pressure medication;
other stimulant medications (methylphenidate or Ritalin, Concerta);
a blood thinner such as warfarin (Coumadin, Jantoven);
a cold or allergy medicine that contains a decongestant; or
Parkinson's medication;
opioid medication (hydrocodone, morphine, oxycodone, others);
migraine medication;
nausea medicine; or
seizure medicine.
This list is not complete. Other drugs may interact with dexmethylphenidate, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
 Focalin drug interactions (more detail)
