Antihistamines: May cause drowsiness and increase risk of falls which is dangerous for those on warfarin.
Answered 7/22/2018
3.8k views
Mostly: There are no interactions, so they may be safely taken together. Some antihistamines may cause drowsiness and increase the risk of a fall, so take a less sedating antihistamine like loratidine if possible. Warfarin interacts with many drugs as well as OTC and herbals, so it is always a good idea to continue to ask about interactions before starting a new medication.
Answered 6/2/2021
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