You asked: Can I take 4 Zyrtec a day?

Adults and children 6 years and older can take cetirizine capsules and tablets. The usual dosage for adults younger than 65 years and children who are 6 years and older is one 10-milligram (mg) dose per day. You shouldn’t take more than 10 mg in 24 hours.

Can I take 20 mg of Zyrtec a day?

Four small studies suggest that cetirizine 20 mg daily may improve symptoms in adults with severe chronic urticaria. In Okubo et al (2013), itching and weals improved in people who took cetirizine 20 mg daily or olopatadine 5 mg twice daily as a dose increase from cetirizine 10 mg.

Can I take 40 mg of Zyrtec?

In fact, current European guidelines recommend up to four times the usual recommended dose of antihistamine in patients who symptoms persist with standard therapy [12]. For example, doses of up to 40 mg of cetirizine, 20 mg of desloratadine, and 480 mg of fexofenadine may be used in adults.

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Can I take 2 Zyrtec a day?

There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). Taking two 10mg tablets should not cause you to have any serious problems.

What is the maximum amount of Zyrtec per day?

The recommended initial dose of ZYRTEC in children aged 2 to 5 years is 2.5 mg (½ teaspoon) syrup once daily. The dosage in this age group can be increased to a maximum dose of 5 mg per day given as 1 teaspoon syrup once a day or one ½ teaspoon syrup given every 12 hours, or one 5 mg chewable tablet once a day.

Can I double up on Zyrtec?

Do NOT “double-up” on a dose. Do NOT take a dose sooner than you’re supposed to. Do NOT take two different antihistamines at the same time. Instead, talk to your doctor or pharmacist if you have trouble finding a drug that works well for your allergy symptoms.

Can you take more than 1 Zyrtec?

You might only need to use one dose of Zyrtec. Or, if you have chronic or seasonal allergies, you may need to take it regularly to prevent symptoms during the time your allergies are active.

Can Zyrtec cause depression?

The over-the-counter allergy medication cetirizine (Zyrtec and generic) has been linked to depression, as has another type of drug, montelukast (Singulair), which is often used to treat people with allergic asthma.

Can I take cetirizine 10 mg twice a day?

Always take Cetirizine 10 mg Tablets exactly as your doctor has told you. Check with your doctor if you are not sure. Tablets need to be swallowed with a glass of liquid. The recommended dose is 5 mg twice daily as half a tablet twice a day.

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How many days can Zyrtec be taken?

Adults and children 6 years and older can take cetirizine capsules and tablets. The usual dosage for adults younger than 65 years and children who are 6 years and older is one 10-milligram (mg) dose per day. You shouldn’t take more than 10 mg in 24 hours.

Can Zyrtec cause anxiety?

Antihistamines are known to cause extreme drowsiness; however, in certain people, they can cause insomnia, excitability, anxiety, restlessness, and a rapid heart rate.

Which is stronger Claritin or Zyrtec?

Zyrtec has a quicker onset of action compared to Claritin and may be more effective than Claritin in reducing allergy symptoms, according to one clinical trial. However, cetirizine, the active ingredient of Zyrtec, has been shown to produce more drowsiness than loratadine.

How quickly does Zyrtec work?

Most people experience at least 24 hours of relief after a single dose. Zyrtec, on the other hand, is fast acting. People who take it may feel relief in as little as one hour. Antihistamines like Zyrtec and Claritin are designed to calm the histamine reaction your body has when it’s exposed to an allergen.

Is it better to take Zyrtec at night or in the morning?

Cetirizine can be taken at any time of the day. In most people it is non-sedating, so they take it in the morning. However, a percentage of people do find it to be sedating so if it does make you drowsy it is best to take it in the evening. Cetirizine can be taken with or without food.

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What are the side effects of Zyrtec?

Common side effects of Zyrtec include:

  • drowsiness,
  • fatigue,
  • tired feeling,
  • dizziness,
  • dry mouth,
  • sore throat,
  • cough,
  • nausea,

Is long term use of zyrtec safe?

Because antihistamines like Claritin and Zyrtec are now available over the counter, we can trust that they’re generally safe for longterm use, says Shih.17 мая 2018 г.

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