-alcohol
-any medicine that makes you drowsy or helps you sleep, such as antihistamines, tranquilizers, barbiturates, seizure medicine, muscle relaxants and others
-cimetidine
-dextromethorphan (included in some cough medicines)
-linezolid
-medicines for correcting heart rhythm problems
-medicines for treating depression, especially MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
-methylene blue

They need to know if you have any of these conditions:
-bipolar disorder
-difficulty passing urine
-glaucoma
-heart disease
-if you frequently drink alcohol containing drinks
-liver disease
-lung or breathing disease, like asthma or sleep apnea
-prostate trouble
-schizophrenia
-seizures
-an unusual or allergic reaction to doxepin, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or health care professional to check on your progress. Do not use this medicine for more than 8 days.

You may get drowsy or dizzy, especially if you are applying this medicine to large areas. 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. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.

Keep out of the reach of children.

Store at room temperature below 27 degrees C (80 degrees F). Throw away any unused medicine after the expiration date.