The decongestant effect of phenylephrine in cold or flu remedies should be noticeable within approximately 30 minutes. A rapid increase in blood pressure is usually seen following an intravenous dose that persists for up to 20 minutes.
do not take phenylephrine if you are taking a monoamine oxidase (MAO) inhibitor, such as isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar), and tranylcypromine (Parnate), or if you have stopped taking one of these medications within the past 2 weeks.
For nasal decongestants:Topical nasal decongestants should not be used for more than three days. You get nervous, dizzy, or are unable to sleep while taking an oral medicine with phenylephrine. You take too much. Immediately contact a healthcare provider or the poison control national helpline at 800.222.
What Other Drugs Interact with Phenylephrine?
- iobenguane I 123.
- isocarboxazid.
- linezolid.
- phenelzine.
- procarbazine.
- selegiline transdermal.
- tranylcypromine.
Ibuprofen and phenylephrine is a combination medicine used to treat stuffy nose, sinus congestion, headache, fever, and minor aches and pains caused by the common cold or flu. Ibuprofen and phenylephrine may also be used for purposes not listed in this medication guide.
Phenylephrine and pseudoephedrine are both adrenergic agonists. Phenylephrine has primarily an affinity to only alpha-adrenergic receptors, while pseudoephedrine has an affinity to both alpha- and beta-adrenergic receptors. Their side effect profiles are very similar.
Take one dose (maximum 12.2mg) up to four times a day. Take with a glass of water. Leave at Ieast 4 hours between doses. Do not take more than 4 doses in 24 hours.
Phenylephrine is the only other oral nasal decongestant known to be safe and effective for nonprescription use. It carries the same warnings as pseudoephedrine. Research on its ability to raise blood pressure is not as extensive as that on pseudoephedrine, but some data can be obtained.
The most popular OTC nasal sprays use many of the same chemically active ingredients such as Phenylephrine, Xylometazoline and the most popular Oxymetazoline. Not only are these chemicals bad for your body, but they can also lead to addiction and recurring symptoms that worsen over time.
What is diphenhydramine and phenylephrine? Diphenhydramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages.
What can be done to relieve a runny nose?
- Rest as much as possible.
- Drink plenty of fluids, especially water.
- Use saline nasal spray to help relieve symptoms.
- A cool-mist humidifier at the bedside can combat congestion worsened by dry, winter air.
dizziness, drowsiness; dry mouth, nose, or throat; blurred vision; or. constipation.
Phenylephrine increases blood pressure and heart rate without affecting heart rhythm.
Symptoms of overdose may include: severe dizziness/fainting, hallucinations, fast/irregular heartbeat, slow/shallow breathing, vomiting, seizures.
No interactions were found between Benadryl and phenylephrine. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
