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.
Can I take antihistamine with phenylephrine?
No interactions were found between Benadryl and phenylephrine. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
What is the difference between a decongestant and an antihistamine?
If you have nasal or sinus congestion, then a decongestant can be helpful. If you have drainage — either a runny nose or postnasal drip or itchy, watery eyes — then an antihistamine may be helpful. Over-the-counter antihistamines often make people drowsy; decongestants can make people hyper or keep them awake.
Is Sudafed an antihistamine?
Sudafed is also used to relieve nasal congestion due to the common cold. Benadryl and Sudafed belong to different drug classes. Benadryl is an antihistamine and Sudafed is a decongestant. Benadryl and Sudafed are available in generic form and over-the-counter (OTC).
What is phenylephrine?
You may know pseudoephedrine and phenylephrine from their use in Sudafed products. Sudafed contains pseudoephedrine, while Sudafed PE contains phenylephrine. The drugs are also available in several combinations with other over-the-counter cough and cold medications. These drugs are both nasal decongestants.
Can I take antihistamine and decongestant together?
If your nose and sinuses are stuffed up, a decongestant may help. You can use it alone or combine it with an antihistamine. Remember, though, it can increase your heart rate and may cause anxiety or make it hard to fall asleep.
Do Antihistamines help nasal congestion?
While antihistamines can’t block every allergy symptom, they’re particularly effective at preventing nasal congestion and helping some of those uncomfortable symptoms ebb away.
What is the best decongestant and antihistamine?
- Sudafed Sinus and Allergy.
- Triplex AD Liquid.
- Vazotab Chewable.
- Zyrtec D.
What is the best antihistamine for sinus congestion?
Along the same lines as OTC options, antihistamine medications, such as Sudafed, Claritin, Zyrtec or Benadryl, can also offer sinus infection symptom relief. While these medications specifically target allergy symptoms, sinus infection symptoms can be similar, making antihistamines worth a try.
What is the best allergy medicine for congestion?
Some pills with decongestants that you can check into are:
- Chlorpheniramine/phenylephrine (Actifed)
- Loratadine/pseudoephedrine (Claritin-D)
- Phenylephrine (Sudafed PE)
- Pseudoephedrine (Sudafed)
Is it bad to take a decongestant everyday?
Is it safe to take for a long time? Decongestants should only be used for a short time, usually less than 10 days. If you take them for longer, you’re more likely to get side effects. Only take pseudoephedrine for longer than 10 days if a doctor has said it’s OK.
Is flonase a decongestant or antihistamine?
Flonase is also used to treat nasal symptoms such as runny nose not caused by allergies. Claritin and Flonase belong to different drug classes. Claritin is an antihistamine and Flonase is a corticosteroid. Both Claritin and Flonase are available over-the-counter (OTC) and as a generic.
What is the most effective antihistamine?
If your allergies only appear sporadically – say when pollen count is high or you have that random encounter with your friend’s cat – fast-acting antihistamines will be your best bet. These include medications like Benadryl (diphenhydramine), Claritin (loratidine), Allegra (fexofenadine), and Zyrtec (cetirizine).7 мая 2018 г.
Who should not take phenylephrine?
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.
Will phenylephrine keep you awake at night?
Phenylephrine relieves congestion of the nasal passages and is found in many cold and flu remedies. There is some controversy over whether it works at the dosages usually found in over-the-counter products. Sleeplessness is a common side effect.
Can I take phenylephrine at night?
It can affect the quality of your sleep, so you can’t take it too close to going to bed. Can raise blood pressure so check with your doctor before using it if you have high blood pressure or other heart conditions. Sudafed (Pseudoephedrine) isn’t as effective after using it for more than 4 days straight.