Drug General Information (ID: DDIB1WNRDV)
Drug Name			Fluphenazine		Drug Info		Methimazole		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Antipsychotic Agents				Antithyroid Agents
Structure

Mechanism of Fluphenazine-Methimazole Interaction (Severity Level: Major)
Additive myelosuppressive effects Click to Show/Hide Mechanism Graph
Drug Name		Fluphenazine				Methimazole
Mechanism		Myelosuppressive effects				Myelosuppressive effects
Key Mechanism Factor 1
		Factor Name		Myelosuppressive effects
		Factor Description		Myelosuppression, also known as bone marrow suppression, is a decrease in bone marrow activity that leads to a decrease in the production of blood cells. Some blood cell disorders include: erythrocytopenia (anemia), leukopenia (neutropenia), and thrombocytopenia (thrombocytopenia).
Mechanism Description		Additive myelosuppressive effects by the combination of Fluphenazine and Methimazole

Recommended Action
Management		If these drugs must be used together, close observation and testing for evidence of granulocytopenia is recommended. Patients should be advised to promptly report any symptoms such as tiredness, weakness, sore throat, fever, stomatitis, malaise, or flu-like symptoms.

References
1	Cerner Multum, Inc. "Australian Product Information.".