You should take fexofenadine
before a meal where possible
. Some people find it helps to swallow the tablet with a drink of water. Try to take the tablets at the same time of day each day, as this will help you to remember to take them.
Should fexofenadine be taken in the morning or at night?
Should I take Allegra (fexofenadine) at night or in the morning? If you are taking a 12 hour form of Allegra (fexofenadine),
it can be taken once in the morning and once in the evening
. If you are taking an Allegra (fexofenadine) once-a-day 24 hour tablet, it can be taken at any time of the day.
How quickly does fexofenadine work?
Some symptom relief may occur within 10-20 minutes of the first dose. Within an hour, all patients should notice a reduction in their allergy symptoms with peak effects seen by two to three hours. On average, it takes
about two hours
for fexofenadine to have an effect.
Why can’t you drink orange juice with fexofenadine?
Inhibition of the activity of intestinal OATP1A2 reduces serum concentrations
of fexofenadine by up to 70%, possibly reducing its effectiveness. 2 Patients can avoid this interaction by not drinking fruit juice within 4 hours before or 1-2 hours after taking fexofenadine.
What is the drug fexofenadine hydrochloride used for?
Fexofenadine is used to relieve the
allergy symptoms of seasonal allergic rhinitis (”hay fever”)
, including runny nose; sneezing; red, itchy, or watery eyes; or itching of the nose, throat, or roof of the mouth in adults and children 2 years of age and older.
How long does fexofenadine 180mg TAKE TO WORK?
The recommended dose is one tablet (180 mg) daily. Take your tablet with water before a meal. This medicine starts to relieve your symptoms
within 1 hour
and lasts for 24 hours.
What are the side effects of fexofenadine?
Fexofenadine is classed as a non-drowsy antihistamine, but some people still find it makes them feel quite sleepy. Common side effects include
headaches, feeling sleepy, dry mouth, feeling sick and dizziness
. Do not drink grapefruit juice, apple juice or orange juice while you’re taking fexofenadine.
What is the strongest fexofenadine?
There are three strengths of fexofenadine tablet available –
30 mg, 120 mg and 180 mg
. The 30 mg strength is for treating hay fever in children aged 6-12 years; the 120 mg strength is for treating adults with hay fever; and the 180 mg strength is for chronic urticaria.
Is there anything stronger than fexofenadine?
Several studies have found
cetirizine (Zyrtec)
to be more effective than fexofenadine (Allegra) at relieving symptoms of allergic rhinitis and urticaria, and it appears to have a longer duration of action.
Can I take 240 mg of fexofenadine?
Fexofenadine hydrochloride pharmacokinetics are linear for oral doses up to a total daily dose of 240 mg (
120 mg twice daily
).
What happens if I take fexofenadine with fruit juice?
Research has suggested that drinking the fruit juice before, with or after the medication can significantly reduce its effect. The FDA stated that Fexofenadine may also be less effective if taken with orange or apple juice, so the advice is to
avoid taking it
with fruit juices.
Does grapefruit juice interact with fexofenadine?
“
Grapefruit juice can cause less fexofenadine to enter the blood
,” decreasing how well the drug works, Huang says. Fexofenadine (brand name Allegra) is available as both prescription and OTC to relieve symptoms of seasonal allergies.
Is fexofenadine anti inflammatory?
In addition, fexofenadine has
proven anti-inflammatory activity
and has been shown to inhibit a num- ber of mediators at clinically relevant concentrations, including in vitro inhibition of ICAM-1 expression on conjunctival and nasal epithelial cells.
Does fexofenadine raise blood pressure?
However, medicines containing decongestants — including Allegra-D, Zyrtec-D and Claritin-D — could
increase your blood pressure and heart rate
or interfere with your heart medication.
What is the best antihistamine?
- Provides relief within an hour.
- Non-drowsy unlike other antihistamines.
- Soothes both indoor and outdoor allergies.
Does fexofenadine cause anxiety?
Many people using this medication do not have
serious side effects
. Tell your doctor right away if you have any serious side effects, including: fast/irregular/pounding heartbeat, shaking (tremor), mental/mood changes (such as anxiety, confusion, nervousness, restlessness), problems urinating.
