Phenothiazines/Anticholinergics
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When these two medicines are taken together, your body may not absorb phenothiazines properly. The side effects of one or both medicines may increase and the benefits of phenothiazines may decrease.
What might happen:
The beneficial effects of phenothiazines may decrease along with an increased or decreased chance for side effects.
What you should do about this interaction:
If you experience increased constipation, drowsiness, dry mouth, dizziness, nasal congestion, or blurred vision, contact your doctor. It may be necessary to adjust the dose of your medicine.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
References:
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