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Composition for FEBREX LP

Levocetirizine(2.5 mg),Phenylephrine(10 mg)

food interaction for FEBREX LP

alcohol interaction for FEBREX LP

pregnancy interaction for FEBREX LP

lactation interaction for FEBREX LP

There is no data available. Please consult doctor before consuming the drug.
Febrex lp 2.5 mg/10 mg syrup may cause excessive drowsiness and calmness with alcohol.
Febrex lp 2.5 mg/10 mg syrup may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Febrex lp 2.5 mg/10 mg syrup is probably unsafe to use during breastfeeding. Please consult your doctor.


Levocetirizine(2.5 mg)


Levocetirizine is used to treat symptoms of allergic conditions such as allergic fever (hay fever), year-round allergies like dust or pet allergies and chronic nettle rash.

How it works

Levocetirizine belongs to a group of medications called antihistamines. It acts by blocking a natural substance (histamine) that is produced in the body during an allergic reaction.

Common side effects

Abdominal pain, Drowsiness, Dry mouth, Fatigue, Vomiting, Diarrhoea
Phenylephrine(10 mg)


Phenylephrine is a decongestant and is used to relieve blocked nose caused by common cold or in seasonal nasal allergies (hay fever).

How it works

Phenylephrine stimulates receptors on blood vessels and leads to constriction of blood vessels. This leads to decrease in the flow of blood in the blood vessels of nose, which in turn relieves nasal congestion.

Common side effects

Nausea, Dizziness, Shortness of breath, Difficulty in urination, Facial swelling, Headache, Increased blood pressure, Loss of appetite, Rash, Restlessness, Tachycardia, Heart rate irregular


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Expert advice for FEBREX LP

  • Use levocetirizine with caution in the elderly; they may be more sensitive to its effects.
  • It is best to take the drug at bedtime as it can make you drowzy.
  • Do not take levocetirizine if you are allergic (hypersensitive) to levocetirizine.
  • Take special care with levocetirizine and follow the advice of your doctor: if you suffer from epilepsy or are in any risk of having fits. if you suffer from kidney failure, because you may require a lower dosage.
  • Tell your doctor if you are taking drugs like antidepressants; medications for anxiety, mental illness, or seizures; ritonavir; sedatives; sleeping pills; theophylline; and tranquilizers, as it may worsen the side effects.
  • Consult your doctor before taking this drug if you are pregnant, planning to become pregnant, or are breast-feeding.
  • Levocetrizine can cause drowsiness. Avoid engaging in hazardous occupations requiring complete mental alertness such as driving or operating machinery when taking.
  • Do not take alcohol with cetirizine, as it may worsen the side effects.

Frequently asked questions for FEBREX LP


Q. Is levocetirizine/ LCZ/ LCZ plus/ xyzal/ Zyrtec/ vozet an over the counter?
No.Levecetirozine (also available as LCZ/ LCZ plus/ xyzal/ Zyrtec/ vozet) is not an over the counter medication. Prescription from your doctor is always required.
Q. Is levocetirizine gluten free?
Yes.levocetirizine is gluten free. Please refer to package insert of the prescribed brand before use. 
Q. Is levocetirizine a narcotic or steroid?
Levocetirizine belongs to a class of medications called antihistamines. It is not a narcotic or steroid.
Q. Is levocetirizine a decongestant?
Levocetrizine is used to relieve runny nose; sneezing; and redness, itching, and tearing of the eyes caused by hay fever, seasonal allergies, and allergies due to other substances.


 Q. Is phenylephrine an antibiotic/a stimulant/an NSAID/ does phenylephrine work/ does phenylephrine makes your nose run/ does phenylephrine has aspirin in it?
Phenylephrine is not an antibiotic, stimulant, NSAID, but a decongestant and is used to relieve blocked nose. Phenylephrine 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 phenylephrine with high blood pressure?
Do not take phenylephrine with high blood pressure.
Q. Is phenylephrine the same as Sudafed?
No, phenylephrine is not same as Sudafed which contains pseudoephedrine.


Content on this page was last updated on 21 October, 2014, by Dr. Varun Gupta (MD Pharmacology)