Nyquil Cold/Flu Relief(Oral)
Nyquil Cold/Flu Relief(Oral)
Acetaminophen is a pain reliever and fever reducer.
Dextromethorphan is a cough suppressant. It affects the cough reflex in the brain that triggers coughing.
Doxylamine is an antihistamine that reduces the effects of the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Acetaminophen, dextromethorphan, and doxylamine is a combination medicine used to treat headache, fever, body aches, cough, runny nose, sneezing, and sore throat caused by allergies, the common cold, or the flu.
This medicine will not treat a cough that is caused by smoking, asthma, or emphysema.
Acetaminophen, dextromethorphan, and doxylamine may also be used for purposes not listed in this medication guide.
warnings
What is the most important information I should know aboutNyquil Cold/Flu Relief(Oral)?
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.
Do not use this medicine if you have taken an MAO inhibitor in the past 14 days.A dangerous drug interaction could occur. MAO inhibitors include furazolidone, isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.
You should not use this medication if you are allergic to acetaminophen (Tylenol), doxylamine, or dextromethorphan.
Ask a doctor or pharmacist before taking this medicine if you have any medical condition, especially:
- asthma or COPD, cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;
- a blockage in your stomach or intestines;
- liver disease, alcoholism, or if you drink more than 3 alcoholic beverages per day;
- kidney disease;
- an enlarged prostate, problems with urination;
- glaucoma; 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 cough and cold medicine without a doctor's advice if you are pregnant.
This medicine may pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production.Do not use cough and cold medicine without a doctor's advice if you are breast-feeding a baby.
Artificially sweetened liquid medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).
总是问医生之前的计谋gh or cold medicine to a child.Death can occur from the misuse of cough and cold medicines in very young children.
Side Effects
What are the side effects ofNyquil Cold/Flu Relief(Oral)?
Get emergency medical help if you havesigns of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
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 taking 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 the medicine and call your doctor at once if you have:
- severe headache, seizure (convulsions);
- fast, pounding, or uneven heartbeats;
- confusion, hallucinations, severe dizziness or drowsiness, slow or shallow breathing;
- tremor, restless muscle movements;
- little or no urinating;
- flu symptoms, easy bruising, unusual bleeding, pale skin, weakness, feeling light-headed; or
- nausea, pain in your upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Common side effects may include:
- headache, sleep problems (insomnia);
- upset stomach, diarrhea or constipation;
- dry eyes, blurred vision, dry mouth or nose;
- mild dizziness or drowsiness, trouble concentrating;
- feeling restless or excited (especially in children); or
- mild skin rash.
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.
Pregnancy & Breastfeeding
Can I takeNyquil Cold/Flu Relief(Oral)if I’m pregnant or breastfeeding?
It is not known whether this medicine will harm an unborn baby.Do not use cough and cold medicine without a doctor's advice if you are pregnant.
Interactions
What drugs and food should I avoid while takingNyquil Cold/Flu Relief(Oral)?
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.Taking 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.
Avoid drinking alcohol. It may increase your risk of liver damage while you are taking acetaminophen, and can increase certain side effects.
这种药物可能导致视力模糊和我可以mpair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.
Dosage Guidelines & Tips
How to takeNyquil Cold/Flu Relief(Oral)?
UseNyquil Cold/Flu Relief(Oral)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.
Use exactly as directed on the label, or as prescribed by your doctor. Do not use for longer than recommended. Cough and cold medicine is usually taken only for a short time until your symptoms clear up.
Do not take more of this medication than is recommended.An overdose of acetaminophen can damage your liver or cause death.
Measure liquid medicine with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Stop taking the medicine and call your doctor if you still have a sore throat after 2 days, or if you have a fever, headache, rash, nausea, or vomiting.
If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken this medicine within the past few days.
Store at room temperature away from moisture and heat. Do not allow liquid medicine to freeze.
Since this medicine is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose.Do notuse extra medicine to make up the missed dose.
Overdose Signs
What happens if I overdose onNyquil Cold/Flu Relief(Oral)?
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.