The following medications may interfere with urination, so it is best not to take them if you have difficulty urinating.
Anticholinergic drugs: belladonna tablets, bromopamine tylenol tablets, scopolamine (654-2), atropine, ipratropium bromide.
Antipsychotics: doxepin hydrochloride, sulpiride, clomipramine hydrochloride.
Anti-allergic drugs: chlorpheniramine maleate, cetirizine tablets, loratadine.
Anti-arrhythmic drugs: propiamine phosphate tablets.