Levocetirizine is an antihistamine tablet for hay fever and other allergies.
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Levocetirizine is a tablet that you take once a day to help you with common allergy conditions and symptoms, such as hay fever and hives. It’s an antihistamine, which means that it can get to work quickly to help you with your symptoms, and stays in your system for the full day.
Levocetirizine is a second generation antihistamine, so, unlike early antihistamines, it’s less unlikely that it’ll make you drowsy (although some people still do feel drowsy when they take Levocetirizine).
How does Levocetirizine work?
When your body detects something that it considers a threat, it produces a chemical called histamine to try and keep it out. In the case of allergic reactions, your body is reacting to something that it wrongly considers a threat, such as pollen.
Antihistamines, like Levocetirizine, work by binding to your histamine receptors and stopping histamine from causing your symptoms.
What doses of Levocetirizine are there?
There’s only one dose of Levocetirizine: 5mg. If it’s not working for your symptoms at this dose, please let our clinician know. You might need to try another treatment.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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How to take Levocetirizine
You should always take Levocetirizine exactly as prescribed by our clinician. It’s not recommended for children under six. To use Levocetirizine:
swallow the tablet whole with water
take it with or without food
the recommended dose is one tablet per day
How long does it take Levocetirizine to work?
Levocetirizine gets to work pretty quickly to treat your symptoms. You should start feeling the effects after around an hour, and it reaches its peak approximately six hours after taking it. It stays in your system for around 28 hours as well, so if you take it around the same time each day it should prevent your symptoms from setting in.
What should I do if I make a mistake when taking Levocetirizine?
Taking too much Levocetirizine can be harmful for your health and give you some unpleasant side effects. Seek medical help and advice if you’ve accidentally taken too much. If you forget your dose of Levocetirizine then skip it and take your next dose at the usual time. Don’t double up on doses to make up for missed ones.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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FAQ: Levocetirizine
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
Does Levocetirizine make you drowsy?
Answer:
Because it’s a second generation antihistamine, Levocetirizine has been formulated in a way so that it doesn’t easily cross the blood-brain barrier. As a result, unlike first generation antihistamines, it doesn’t interrupt histamine receptors in your brain, making it far less likely to cause drowsiness.
Some people still get drowsy when they take Levocetirizine, though. So if you’ve taken it and feel drowsy, you should avoid driving or operating heavy machinery.
How is Levocetirizine different from other allergy treatments?
Answer:
Some allergy treatments come in the form of corticosteroids rather than antihistamines, which you may find suit you better if antihistamines make you drowsy. You can also get some hay fever or allergy treatments that come in the form of a nasal spray or eye drops, which might be more effective for you if you mainly get symptoms in either of those areas.
Is Levocetirizine similar to any other treatments?
Answer:
There is a branded equivalent of Levocetirizine, called Xyzal. This means that it contains the same active ingredient, in the same dosage. So it’ll work in much the same way as Levocetirizine to treat your symptoms, but because it’s branded, it’s usually more expensive.
Can you buy Levocetirizine over the counter?
Answer:
No. Levocetirizine is a ‘prescription only medicine’. This means that you’ll need a prescription from a clinician before you can buy it. If our clinician decides it’s safe and suitable for you, they can prescribe Levocetirizine to you once you’ve talked to us about your health.
Why should I buy Levocetirizine online with Treated?
Answer:
We can help you choose the best treatment for you. Our expert team will offer you a range of tailored treatments alongside expert advice, on subscriptions that suit your lifestyle.
We’ll send you your chosen treatment promptly and discreetly, and check in to see how you’re getting on with it. If it’s not working as you’d hoped, you can pause, change or cancel your subscription whenever you like.
Nettis, E., Calogiuri, G.F., Di Leo, E., Cardinale, F., Macchia, L., Ferrannini, A. and Vacca, A. (2008).
Once daily levocetirizine for the treatment of allergic rhinitis and chronic idiopathic urticaria. Journal of Asthma and Allergy, [online] 2, pp.17–23.
Disclaimer: The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment. If you have any questions or concerns about your health, please talk to a doctor.
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