Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use Unisom if you are allergic to it.
Ask a doctor or pharmacist if it is safe for you to take  Unisom if you have other medical conditions, especially:
glaucoma;
an enlarged prostate;
problems with urination; or
asthma, bronchitis, emphysema, or other chronic lung disease.
Older adults may be more sensitive to the effects of this medicine.
Unisom is not expected to be harmful to an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.
Doxylamine may pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.
