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Pseudoephedrine and Phenylephrine (Sudafed)

Pseudoephedrine is a stimulant medication used to treat the symptoms of the common cold, sinusitis and nasal congestion. While pseudoephedrine appears in small doses in many popular, over-the-counter decongestants, the product is heavily regulated. Pseudoephedrine's chemical structure is very similar to that of amphetamine, making it a key component in some illegal drugs. Due to the tight regulations, Phenylephrine is often sold as an over the counter substitute.

410 Questions

Can you take phenylephrine hci while taking lexapro?

Drugs.com interaction checker said no problem. I just took some and I'm on lexapro

Can phenylephrine hcl cause a rash all over the body?

Phenylephrine hydrochloride is a drug that is often used to treat nasal congestion. Some people can have a reaction to it and end up with a generalized body rash.

What is the difference between Sudafed and Sudafed pe?

The difference between Sudafed and Sudafed PE is that Sudafed contains pseudoephedrine and Sudafed PE contains phenylephrine. While phenylephrine doesn't work quite as well as a decongestant, it is the most common decongestant ingredient in cold and sinus formulations, due to the fact that people were using pseudoephedrine to make the illegal drug methamphetamine.

If you take tramadol with pseudoephedrine any side effects?

I was using tramadol as an agent to ease off of Norco's after long-time use for shoulder issues. I developed a cold and started mixing it with Advil Cold and Sinus (which contains pseudoephedrine). I actually felt very awake, alert and great. I didn't feel any side effects of the cold or withdrawal. I experienced no other side effects, although certain medical sites indicate that the mixture of the two could contribute to ischemic colitis (a usually mild bowel condition marked by abdominal cramps, gas, etc. that usually corrects itself after a couple days). I think you would be okay mixing the two, but I wouldn't do it for long (both are potentially addictive).

Are fexofenadine and pseudoephedrine the same?

No fexofenadine is a H1-receptor antagonist (histamine antagonist) and pseudoephedrine is a sympathomimetic amine commonly used as a decongestant

What amount of phenylephrine in over the counter drugs could make your drug test positive for meth?

other cold remedies can apparently produce false reports of methamphetamine usage. Some additional over the counter medicines that may cause various kinds of drug test interactions include Alka-Seltzer plus, Allerest, Bronkaid, Contac, Donnagel, Sinuntab, and Sudafed.

What over the counter cold med shows as meth in blood as test?

There is no cold medication that shows up as Meth on a drug test. Sudafed is used in the manufacture of Meth, but taking Sudafed will not make you test positive.

While there are amphetamine based meds on the market, the test is looking for certain chemicals uniquely found in Meth. However, since meth is an amphetamine based drug, it is possible that a drug test could show a positive result if you are taking amphetamine based medicine. A drug test should not show a positive result in those circumstances, however not every manufacturer makes their tests the same. It would be your responsibility to inform the tester if you are taking amphetamine based meds PRIOR to the test.

Can you take phenylephrine 4 hrs after pseudoephedrine?

Yes, as long as each of those medications is safe for you to take, they are safe to take at that frequency. Check with your health care provider or pharmacist for advice specific to your situation. I hope you feel better soon!

Is there a drug interaction between phenylephrine and Nyquil which is Acetaminophen Dextromethorphan and Doxylamine succinate?

No negative interaction. There are marketed drugs such as Phenflu that have combine those drugs also with an expectorant

Is this still made Brompheniramine Maleate Phenylephrine Hydrochloride?

Yes. At Walmart it is sold as Equate Children's Cold & Allergy Elixir. It contains Brompheniramine Maleate 1 mg and Phenylephrine HCL 2.5 mg in a grape flavor.

What does pe stand for on a Sudafed box?

The PE stands for Phenylephrine. Phenylephrine is a decongestant(relieves stuffy nose, and chest)

Can you fail a drug test by taking Sudafed PE?

Yes, certainly you could fail a drug test. Especially if it was an over the counter purchase. Such as something you would have to purchase and show ID for at the pharmacy. It will often give a false positive for methamphetamine, as will NyQuil cough and cold, Excedrin and other cold medicines. If say you took NyQuil the night before to help you get to sleep, then Sudafed to help you during the day for your cold your chances are high to fail a test, falsely.

How do you see if you are at your monthly limit for pseudo ephedrine in West Virgina?

There are a couple of ways in which you can see if you're at your monthly limit for Psuedoephedrine in South Carolina. The best way is to speak to a local pharmacy that can check your records.

Do phenylephrine and paracetamol affect the birth control pill?

There are no known drug interactions between phenylephrine, paracetamol, and birth control pills.