The best antihistamine is Benadryl.
Other best antihistamines are Xyzal, Zyrtec, Allegra and Claritin.
You can take an antihistamine with phenylephrine as no interactions have been found between them.
Phenylephrine does sometimes make your heart race and can raise your blood pressure and may cause heart palpitations as well.
Phenylephrine does loosen mucus and makes it easier to cough the mucus up.
And Phenylephrine is a decongestant which clears up your sinuses and relieves sinus pressure as well.
The OTC medications that have phenylephrine are Vicks Sinex, Tur- Bi Cal, Rhinall, Pretz-D, Nostril and Neo Synephrine.
The reason phenylephrine keeps you awake is because phenylephrine stimulates your alpha-adrenergic receptors which may make it responsible for central nervous system stimulant effects such as restlessness, anxiety, and insomnia.
People who should not use phenylephrine are people who are taking a monoamine oxidase (MAO) inhibitor, such as isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar), and tranylcypromine (Parnate), and if you have stopped taking one of these medications within the past 2 weeks.
Phenylephrines common names are NeoSynephrine Nasal and Neo-Synephrine Cold & Sinus Mild Strength Spray.
Phenylephrine is the same as Sudafed PE as the active ingredient in Sudafed is pseudoephedrine, while the active ingredient in Sudafed PE is phenylephrine.
The medication phenylephrine is an opioid as it has an opioid in it.
Misuse or abuse of phenylephrine, dexchlorpheniramine, and codeine can lead to overdose and death.
The medication phenylephrine is not a Benadryl.
Benadryl is Diphenhydramine which clears sinuses while Phenylephrine is a Sudafed Pe which is a medication used for relieving stuffy nose.
The medication phenylephrine is used for temporary relief of congestion or stuffiness in the nose that is caused by hay fever or other allergies, colds, or sinus trouble.
The side effects of phenylephrine are mild upset stomach, trouble sleeping, dizziness, lightheadedness, headache, nervousness, shaking, or fast heartbeat.
If you experience these side effects when taking phenylephrine and they last too long or get worse you should tell your doctor.
Phenylephrine is not a sedative although some people may experience drowsiness when taking it.
Although most people who take phenylephrine do not experience sleepiness or a sedative effect.
Phenylephrine is in a class of medications called nasal decongestants.
It works by reducing swelling of the blood vessels in the nasal passages.
Phenylephrine does stimulate alpha-adrenergic receptors which may make it responsible for central nervous system stimulant effects such as restlessness, anxiety, and insomnia.
It is thought that it may not cause the effects to the extent that pseudoephedrine does, however.
Two commonly-used decongestants are pseudoephedrine (Sudafed) and phenylephrine (Sudafed PE).
These medications work great to clear nasal passages and help us breathe better.
But to our bodies, they look very similar to the stimulants discussed earlier and can have the same side effects, including anxiety.
Blood pressure increased at 5 and 10 minutes after application of phenylephrine 10% (mean difference 15 mmHg; 95% CI = 12, 19) but fell to baseline after 20–30 minutes.
The heart rate increased by 5/minute (95% CI = 1, 8) at 20–30 minutes and returned to baseline after 60 minutes.
Phenylephrine and norepinephrine increase dopamine transporter ligand binding in striatum.
Mol Imaging Biol.
Phenylephrine is used for the temporary relief of congestion or stuffiness in the nose caused by hay fever or other allergies, colds, or sinus trouble.
It may also be used in ear infections to relieve congestion.
This medicine may also be used for other conditions as determined by your doctor.