Acetaminophen and diphenhydramine
Name: Acetaminophen and diphenhydramine
What should I discuss with my healthcare provider before taking acetaminophen and diphenhydramine?
Ask a doctor before taking medicine that contains acetaminophen if you have ever had liver disease, or if you drink more than 3 alcoholic beverages per day.
You should not use this medication if you are allergic to it, or if you have:
severe constipation, blockage in your stomach or intestines;
untreated or uncontrolled diseases--glaucoma, asthma, heart disease, overactive thyroid; or
if you are unable to urinate.
Ask a doctor or pharmacist before taking this medicine if you have any medical condition, especially:
cough with mucus, or cough caused by emphysema or chronic bronchitis;
an enlarged prostate, problems with urination;
a history of alcoholism; or
if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).
It is not known whether this medicine will harm an unborn baby. Do not use cold or allergy medicine without a doctor's advice if you are pregnant.
This medicine can pass into breast milk and may harm a nursing baby. Antihistamines may slow breast milk production. Do not use cold or allergy without a doctor's advice if you are breast-feeding a baby.
Always ask a doctor before giving a cold or allergy medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of acetaminophen can be fatal.
The first signs of an acetaminophen overdose include loss of appetite, nausea, vomiting, stomach pain, sweating, and confusion or weakness. Later symptoms may include pain in your upper stomach, dark urine, and yellowing of your skin or the whites of your eyes.