What other drugs will affect Benadryl Allergy & Sinus Headache (acetaminophen, diphenhydramine, and phenylephrine)?
Before using this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as other cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by diphenhydramine. Before taking this medication, tell your doctor if you are using any of the following drugs: • an antidepressant; • a bronchodilator; • a diuretic (water pill); • gout medications; • blood pressure medication; • medication to treat irritable bowel syndrome; • bladder or urinary medications such as oxybutynin (Ditropan, Oxytrol) or tolterodine (Detrol); • seizure medication; • isoniazid; • zidovudine (Retrovir, AZT); • aspirin or salicylates such as Backache Relief Extra Strength, Novasal, Nuprin Backache Caplet, Doan’s Pills Extra Strength, Tricosal, and others; or • a beta-blocker such as atenolol (Tenormin, Tenoretic), carvedilol (Coreg), labetalol (Normodyne, Trandate)
