Is levocetirizine and cetirizine the same thing?

Levocetirizine is newer than cetirizine. However, because everyone is different, one may be better than the other for your symptoms. Although both medications are classified as non-sedating antihistamines, they still can potentially cause drowsiness.

What is the difference between cetirizine and antihistamine?

What’s the difference between cetirizine and other antihistamines? Cetirizine is known as a non-drowsy antihistamine. That’s because it’s less likely to make you feel sleepy than sedating antihistamines, such as Piriton (chlorphenamine).

Which antihistamine is the most effective?

Cetirizine is the most potent antihistamine available and has been subjected to more clinical study than any other.

Can I take cetirizine and levocetirizine together?

Do NOT use levocetirizine while taking Allegra (fexofenadine), Claritin (loratadine), Zyrtec (cetirizine), or other oral antihistamines. If taking one of those medications, talk to your Ro-affiliated doctor about discontinuing use prior to taking levocetirizine.

Which is better cetirizine or 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.

Which antihistamine is best for itching?

In most cases, a non-sedating antihistamine like Zyrtec and Allergra is preferred over Benadryl, which can cause drowsiness. Anti-itch creams such as topical corticosteroids may be helpful for itching in small areas.

Can I take 2 cetirizine a day?

You shouldn’t take more than 10 mg in 24 hours. Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild.

What is the best antihistamine for itching?

A nonprescription oral antihistamine, such as loratadine (Alavert, Claritin, others), cetirizine (Zyrtec Allergy, others) or diphenhydramine (Benadryl Allergy, others), may help relieve itching.

Which is better levocetirizine or fexofenadine?

On the contrary, the results of our current study indicate that the new antihistamine levocetirizine is at least as potent as cetirizine and revealed that levocetirizine is significantly more potent than fexofenadine in improving the symptoms of rhinitis 22–28 h after drug intake.

Is levocetirizine less sedating than cetirizine?

Previous research suggested that levocetirizine is less sedating than cetirizine, and that 2.5 mg of levocetirizine is equivalent to 5 mg of cetirizine. levocetirizine is the R-enantiomer of cetirizine, and the investigators hypothesized that it would be more potent.

Does cetirizine 10mg Make you Sleepy?

Key facts. Cetirizine is classed as a non-drowsy antihistamine, but some people still find it makes them feel quite sleepy. Common side effects include headaches, dry mouth, feeling sick, dizziness, stomach pain and diarrhoea. It’s best not to drink alcohol while you’re taking cetirizine as it can make you feel sleepy.