Brand Names: Acephen, Feverall, FeverAll Jr. Strength, Mapap, Uniserts
Generic Name: acetaminophen (rectal)
- What is acetaminophen?
- What are the possible side effects of acetaminophen?
- What is the most important information I should know about acetaminophen?
- What should I discuss with my healthcare provider before using acetaminophen?
- How should I use acetaminophen?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while using acetaminophen?
- What other drugs will affect acetaminophen?
- Where can I get more information?
What is acetaminophen?
Acetaminophen may also be used for purposes not listed in this medication guide.
What are the possible side effects of acetaminophen?
In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop using this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.
Stop using this medicine and call your doctor at once if you have:
- nausea, upper stomach pain, loss of appetite;
- itching, dark urine, clay-colored stools; or
- jaundice (yellowing of the skin or eyes).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about acetaminophen?
Do not use more of this medication than is recommended. An overdose of acetaminophen can damage your liver or cause death. Call your doctor at once if you have nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of your skin or eyes).
In rare cases, acetaminophen may cause a severe skin reaction. Stop using this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.
What should I discuss with my healthcare provider before using acetaminophen?
You should not use acetaminophen if you are allergic to it.
Do not use acetaminophen without a doctor's advice if you have ever had alcoholic liver disease (cirrhosis) or if you drink more than 3 alcoholic beverages per day. You may not be able to use acetaminophen.
Do not give this medicine to a child without medical advice.
How should I use acetaminophen?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Do not use more of this medication than is recommended. An overdose of acetaminophen can damage your liver or cause death.
If you are treating a child, use a pediatric form of acetaminophen. Carefully follow the dosing directions on the medicine label. Do not give the medication to a child younger than 2 years old without the advice of a doctor.
Do not take a rectal suppository by mouth. It is for use only in your rectum.
Wash your hands before and after inserting the rectal suppository.
Try to empty your bowel and bladder just before using the acetaminophen suppository.
Remove the wrapper before inserting the suppository. Avoid handling the suppository too long or it will melt in your hands.
Lie on your back with your knees up toward your chest. Gently insert the suppository into your rectum about 1 inch, pointed tip first.
For best results, stay lying down for a few minutes. The suppository will melt quickly and you should feel little or no discomfort while holding it in. Avoid using the bathroom for at least an hour after using the suppository.
Stop using acetaminophen and call your doctor if:
- you still have a fever after 3 days of use;
- you still have pain after 10 days of use (or 5 days if treating a child);
- you have a sore throat, high fever, or nausea and vomiting;
- you have a skin rash, ongoing headache, or any redness or swelling; or
- if your symptoms get worse, or if you have any new symptoms.
Acetaminophen can cause unusual results with certain lab tests for glucose (sugar) in the urine. Tell any doctor who treats you that you are using acetaminophen.
The rectal suppositories may also be stored in the refrigerator. Do not allow the medicine to freeze.
Store at room temperature away from heat and moisture.
What happens if I miss a dose?
Since acetaminophen is used as needed, you may not be on a dosing schedule. If you are using the medication regularly, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
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.
What should I avoid while using acetaminophen?
Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Using certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.
What other drugs will affect acetaminophen?
Other drugs may interact with acetaminophen rectal, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Where can I get more information?
Your pharmacist can provide more information about acetaminophen.
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