Both Drugs Contain Antihistamines First and
Cold & Flu Treatment Over the Counter What You Need to Know About NyQuil By Kristina Herndon, RN Updated on February 17, 2023 Medically reviewed by David Snyder, PharmD NyQuil is a very
Acetaminophen, dextromethorphan, doxylamine, and phenylephrine is a combination medicine used to treat headache, fever, body aches, cough, runny nose, sneezing
NyQuil Cold and Flu (acetaminophen/doxylamine/dextromethorphan) is one of many NyQuil products that can help with cold and flu symptoms
7 promethazine interactions to know about
For example, taking a cough medicine ( antitussive) and a drug to help
You will likely feel drowsy or more tired when taking these drugs together
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Pseudoephedrine, the decongestant found in Sudafed, is highly effective in helping people with stuffy noses breathe more easily, said Dr
Acetaminophen (Tylenol, paracetamol), also in NyQuil, is not
Common side effects of NyQuil Cough may include: drowsiness, dizziness; nervousness; sleep problems (insomnia); or
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At the very least, the combination will likely make you feel quite drowsy, and in some cases, produce more serious side effects depending on how much
Like DayQuil, NyQuil contains the analgesic acetaminophen and the cough suppressant dextromethorphan
Arrhythmia (increased heartbeat) or bradycardia (slow heartbeat) You should remember that if a doctor prescribed you or someone you know with Nyquil that they have weighed the benefits of the medication against the most common side effects
Sulfa-containing drugs such as topiramate (Topamax) for seizures/migraine Studies have found that an oral anticoagulant that you take by mouth is better at preventing blood clots than an aspirin
Promethazine is a phenothiazine that blocks the effects of histamine in the body to relieve cold and allergy symptoms, while codeine is an opioid medication used to relieve pain and suppress cough at certain dosages
Doxylamine (NyQuil Cold & Flu, Nighttime Cold & Flu Relief, others)
If you are only using NyQuil Cold and Flu Nighttime Relief Liquid, it can be taken every 6 hours, but do not exceed 4 doses within 24 hours
Tips
You may report side effects to
These are administered in different combinations depending upon the clinical condition
The main types are: Drug-drug interaction
There are 681 drugs known to interact with promethazine, along with 18 disease interactions, and 1 alcohol/food interaction