Common Nausea, Vomiting, Headache, Palpitations, Increased blood pressure, Increased heart rate, Heart beat irregular.

Expert advice for Frenin Injection

Oral phenylephrine should be taken with food
Phenylephrine can make you restless, so don't take it too close to bedtime
Do not use this medicine without doctor's advice if you are pregnant or breast feeding
Smoking may worsen the effect; therefore use of tobacco should be avoided.

Q. Is Frenin an antibiotic/a stimulant/an NSAID/ does Frenin work/ does Frenin makes your nose run/ does Frenin has aspirin in it?
Frenin is not an antibiotic, stimulant, NSAID, but a decongestant and is used to relieve blocked nose. Frenin works for most of the patients if taken as recommended. It does not have aspirin in it

Q. Can i take phenylephrine with ibuprofen/pseudoephedrine/citalopram/Nyquil/ acetaminophen/ dextromethorphan/ Zyrtec/ Flonase/ Advil?
Drug interaction with any of the above mentioned drugs is not documented, but it can occur. Always follow your doctor’s advice before taking any medicine with phenylephrine

Q. Can i take Frenin with high blood pressure?
Do not take Frenin with high blood pressure

Q. Is Frenin the same as Sudafed?
No, Frenin is not same as Sudafed which contains pseudoephedrine.