التداخل بين ديكسميثيل فينيدات ولابيتالول

• Antihypertensive Drugs: Monitor blood pressure.

Adjust dosage of antihypertensive drug as needed ( 7.1 ).

Antihypertensive Drugs Clinical impact Focalin XR may decrease the effectiveness of drugs used to treat hypertension [see Warnings and Precautions ( 5.3 )].

Intervention Monitor blood pressure and adjust the dosage of the antihypertensive drug as needed.

Labetalol has also been reported to produce a false-positive test for amphetamine when screening urine for the presence of drugs using the commercially available assay methods.

When patients being treated with labetalol have a positive urine test for amphetamine using these techniques, confirm using more specific methods, such as a gas chromatographic-mass spectrometer technique.