Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking terbinafine, it is especially important that your health care professional know if you are taking any of the following:
Oral contraceptives (birth control pills) containing estrogen is on that list..
However.. according to Lamisils website themselves state the following when it comes to BCP.
There is no information available from adequate drug-drug interaction studies with the following class of drugs oral Contraceptives, hormaone replacement therapies. This information in in PDF format page 8
So do check with your doctor who has prescribed your Lamisel and your BCPs too.
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