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

Expert advice for Synep 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 Synep an antibiotic/a stimulant/an NSAID/ does Synep work/ does Synep makes your nose run/ does Synep has aspirin in it?
Synep is not an antibiotic, stimulant, NSAID, but a decongestant and is used to relieve blocked nose. Synep 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 Synep with high blood pressure?
Do not take Synep with high blood pressure

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