-alcohol
-atropine
-antihistamines for allergy, cough and cold
-certain medicines for bladder problems like oxybutynin, tolterodine
-certain medicines for stomach problems like dicyclomine, hyoscyamine
-certain medicines for travel sickness like scopolamine
-certain medicines for Parkinson''s disease like benztropine, trihexyphenidyl
-ipratropium
-MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate

They need to know if you have any of these conditions:

-contact lenses
-glaucoma
-liver disease
-lung or breathing disease, like asthma or emphysema
-pain or trouble passing urine
-prostate trouble
-ulcers or other stomach problems
-an unusual or allergic reaction to doxylamine or pyridoxine (vitamin B6), other medicines, foods, dyes, or preservatives
-breast-feeding

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. See your doctor right away if you get a high fever or have problems breathing.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.
This medicine may cause false positive urine tests for certain medicines like methadone, opiates, and PCP.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep bottle tightly closed and protect from moisture. Do not remove desiccant canister from bottle. Throw away any unused medicine after the expiration date.