Acetaminophen, Codeine, and Doxylamine Overview
(a seet a MIN oh fen, KOE deen, & dox IL a meen)
Created: 2006-10-13 10:21:39.0
Modified: 2010-03-22 13:17:55.0
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Canadian Brand Names
Mersyndol® With Codeine
• If you have a life-threatening allergy, wear allergy identification at all times.
• Do not share your medicine with others and do not take anyone else's medicine.
• Keep all medicine out of the reach of children and pets.
• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.
How does it work?
• Acetaminophen blocks production and release of chemicals that cause pain.
• Codeine binds to brain receptors, relieving pain. It decreases the feeling of pain and a person's response to pain. It also affects the cough center in the brain.
• Doxylamine blocks the allergic reaction by minimizing or preventing the body's reaction to the allergen.
How is it best taken?
• Do not take more than prescribed amount. Liver damage can occur.
• Take this medicine with or without food. Take with food if it causes an upset stomach.
• Drink plenty of noncaffeine-containing liquid unless told to drink less liquid by healthcare provider.
How should I store this medicine?
• Store at room temperature.
• Protect from moisture. Do not store in a bathroom or kitchen.
Analgesic, Miscellaneous; Analgesic, Opioid; Antitussive; Histamine H1 Antagonist; Histamine H1 Antagonist, First Generation
Reasons not to take this medicine
• If you have an allergy to acetaminophen, codeine, doxylamine, or any other part of this medicine.
• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
• If you have any of the following conditions: Asthma or high levels of carbon dioxide in the blood.
What do I do if I miss a dose? (does not apply to patients in the hospital)
• Take a missed dose as soon as possible.
• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
• Do not take a double dose or extra doses.
• Many times this medicine is taken on an as needed basis.
What should I monitor?
• Change in condition being treated. Is it better, worse, or about the same?
• Keep a diary of pain control.
• Bowel movements.
• Dry mouth may cause an increase in cavities. Take good care of your teeth. See a dentist regularly.