There are no known interactions between Kwells and nicotine patches. Do not take these tablets with any of the following medications unless told to by your doctor: Amantadine (an antiviral) Antihistamines Antipsychotics Antidepressants Linezolid (an antibiotic) Domperidone and metoclopramide, which are used for nausea and vomiting Sublingual nitrates, which are used for angina