Bulas and Medicines 2022

Loratadine (Claritin): what is it for and how to take it

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Loratadine (Claritin): what is it for and how to take it
Loratadine (Claritin): what is it for and how to take it

Loratadine is an antiallergic drug that works by reducing the effects of histamine, a substance produced by the body responsible for symptoms of allergy or allergic rhinitis such as itchy nose, sneezing, runny nose, increased tear production or redness in the skin. Learn more about allergy symptoms.

This drug can be found in pharmacies or drugstores under the brand name Claritin, in the form of a generic under the name loratadine or under the similar names Histadin, Loratamed or NeoLoratadin, for example.

Loratadine can be purchased in the form of syrup or tablets, and should only be used with medical advice and prescription.

What is it for

Loratadine can be used for the relief of allergy or allergic rhinitis symptoms such as itchy nose, runny nose, sneezing, itchy eyes, increased tear production, redness or itchy skin. In addition, it can also be used to relieve cold and flu symptoms.

How to take it

Loratadine should be taken orally, always at the time instructed by the doctor, however if you forget to take a dose at the right time, take it as soon as you remember and then readjust the schedules according to this last dose, continuing treatment according to the new scheduled times. Do not double the dose to make up for the missed dose.

The way to take loratadine varies by presentation, and includes:

1. Syrup 1 mg/mL

Loratadine syrup is sold in 100mL bottles, it must be taken using the dispenser that comes in the package and the dose depends on the person's age:

  • Adults and children over 12 years: 10 mL of syrup, which is equivalent to a dose of 10 mg, once a day. Do not take more than 10 mL in 24 hours;
  • Children from 2 to 12 years old (under 30 kg of body weight): 5 mL of syrup, which is equivalent to a dose of 5 mg of loratadine, once per day. Do not give a dose greater than 5 mL within 24 hours;
  • Children over 30 kg of body weight: 10 mL which is equivalent to a dose of 10 mg, once a day. Do not give a dose greater than 10 mL within 24 hours.

It is important to follow your doctor's recommendations on how long to take loratadine, as it is usually used for a short period until symptoms disappear.

2. 10 mg tablet

Loratadine in tablet form is available in a pack of 6 to 20 tablets and should be taken with a glass of water, before or after food and, for a better action of loratadine, do not chew and do not break the tablet.

  • Adults and children over 12 years of age or over 30 kg body weight: 1 tablet of 10 mg once daily.

Loratadine tablets should not be used by children under 12 years of age.

Possible side effects

Some of the most common side effects that may occur during treatment with loratadine are headache, tiredness, stomach pain, nausea, dry mouth, restlessness or drowsiness. In rarer cases, hair loss, severe allergic reactions, liver problems, increased heart rate, palpitations and dizziness may also occur.

Furthermore, loratadine can cause allergy with symptoms such as difficulty breathing, feeling of a closed throat, swelling of the mouth, tongue or face, or hives. in this case, the use of loratadine should be discontinued and medical help should be sought immediately or the nearest emergency room.

Immediate medical attention should also be sought if loratadine is taken in larger than recommended doses and overdose symptoms such as rapid or irregular heartbeat, severe headache, or feeling dizzy as if you are going to pass out develop.

Who should not use

Loratadine should not be used by children under 2 years of age, pregnant or breastfeeding women, and by people who have asthma, kidney or liver failure.

This medication should also not be used by people who are allergic to loratadine.

What is the difference between loratadine and desloratadine?

Loratadine and desloratadine are both anti-allergy antihistamines and act in the same way, preventing the action of histamine, which is the substance that causes allergy symptoms.

However, they have some differences. Desloratadine is obtained from loratadine, resulting in a drug that has a longer action time, which means that it stays in the body longer, and in addition its structure has less ability to cross the brain and cause drowsiness.

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