What precautions does carbinoxamine/pseudoephedrine require?

This medication is not available in the United States, however, it may be available elsewhere. Carbinoxamine/pseudoephedrine may cause dizziness, drowsiness and blurred vision, so use extreme caution while operating machinery or driving while taking this medication. Avoid taking it with alcohol, MAO inhibitors, furazolidone, barbiturates and urinary alkalinizers, all of which can increase your risk of side effects. This drug combination can also interact with other medications, including oxybutynin, diuretics, tolterodine, aspirin, blood pressure drugs, beta-blockers, antidepressants and medications used to treat irritable bowel syndrome. Avoid sodium oxybate, which could cause sleepiness or drowsiness leading to unconsciousness. Do not take mecamylamine, methyldopa or reserpine because these medications may have reduced effectiveness if taken with carbinoxamine and pseudoephedrine.