Can Zyrtec be stopped abruptly? (2024)

Can Zyrtec be stopped abruptly?

Dr Grant confirms that many people can suffer withdrawal symptoms if they stop taking antihistamines suddenly. Dr Grant recommends the patient resume taking the antihistamines and then slowly reduce the dose to wean off slowly.

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What happens if you suddenly stop taking Zyrtec?

The main withdrawal symptom is called pruritus— itching and burning sensations of the skin ranging from moderate to severe. Other antihistamine withdrawal symptoms include interruptions in sleep patterns.

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How long does it take to flush Zyrtec out of your system?

Official answer. The elimination half-life of Zyrtec is between 8 to 9 hours. It takes approximately 5.5 x elimination half-life for a medicine to be cleared from your system. For Zyrtec this is 5.5 x 9 hours which is about 2 days.

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What is the rebound effect for Zyrtec?

Another side effect to watch out for is the rebound effect. Sometimes this effect is mistakenly called an addiction; no, you're not becoming addicted to your allergy medication, but your tissues can become used to the effect of the medication. The result is that, when the dose wears off, you can feel a little worse.

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What are the long term effects of taking Zyrtec?

Prolonged use of some antihistamines can also lead to other rare side effects such as dry mouth, drowsiness, and blurred vision. Overall, antihistamines are generally safe and effective for managing allergic conditions but prolonged use can have some risks.

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How do I wean myself off Zyrtec?

In general, wean gradually by 25-50% of the daily dose every 1-4 weeks. If reason for deprescribing is serious adverse effects, wean faster or cease immediately.

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Is it bad to take Zyrtec everyday for years?

It's generally safe to take the newer generation of antihistamines daily if you have year-round allergy symptoms. But make sure to avoid anything that has a "D" in its brand name, which stands for decongestants. Long-term use of decongestants will worsen your allergy symptoms. U.S. Food and Drug Administration.

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Do you have to wean off Zyrtec?

Dr Grant confirms that many people can suffer withdrawal symptoms if they stop taking antihistamines suddenly. Dr Grant recommends the patient resume taking the antihistamines and then slowly reduce the dose to wean off slowly.

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What is the safest antihistamine to take long term?

Allergists recommend long-acting, non-sedating antihistamines — ones that won't make you sleepy — for everyday use. Though you may know them by their brand names, the generic versions tackle the same problems: Cetirizine (Zyrtec®, Aller-Tec®, Wall-Zyr®). Fexofenadine (Allegra®, Aller-ease®, Aller-Fex®, Wal-Fex®).

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Why can't older people take Zyrtec?

Allergy Medications

First generation antihistamines, while very effective at controlling symptoms, are often associated with symptoms in older adults such as anxiety, confusion, sedation, blurred vision, reduced mental alertness, urinary retention and constipation.

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Can I break Zyrtec in half?

Cutting Zyrtec tablets in half is generally safe and commonly done to adjust the dosage. However, it's important to note that not all medications can be safely split. Zyrtec, also known as cetirizine, is a tablet that can be divided without compromising its effectiveness.

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Can you sleep off Zyrtec?

Drowsiness. If you've ever slept 14 hours after popping a Benadryl, you're well aware that some allergy meds can seriously knock you out. That's not as common with Zyrtec, but 11 to 14 percent of people do report feeling sleepy after taking it, making it the most common side effect reported, says Boomershine.

Can Zyrtec be stopped abruptly? (2024)
What are the side effects of long term antihistamines?

Tolerance is not a problem. Rarely, they can cause acute self-limited liver injury. One study has reported a more serious long-term effect, a 3.5-fold increase in the risk of gliomas, a common type of brain tumor in patients with long-term antihistamine use for allergic conditions.

How long does antihistamine withdrawal last?

The duration of Benadryl withdrawal symptoms can vary greatly from person to person, depending largely on the individual's level of use and overall health. Generally, symptoms might start to appear within a few hours to a day after the last dose and can linger in the body anywhere from several days to a few weeks.

Does Zyrtec make you gain weight?

The relationship between weight gain and antihistamine use isn't fully clear. Some causes could be increased appetite and drowsiness leading to less physical activity. A short course of antihistamines probably won't cause issues with weight changes. But you might see weight gain with regular use.

Who should avoid Zyrtec?

You should not use Zyrtec-D if you have narrow-angle glaucoma, severe high blood pressure (hypertension), severe coronary artery disease, if you are unable to urinate, or if you are allergic to hydroxyzine (Atarax, Vistaril). Do not use this medicine if you have taken an MAO inhibitor in the past 14 days.

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.

What happens when you stop taking antihistamines?

When a person stops taking their medication, their body will produce more histamine to make up for the lack of antihistamine. This results in extreme itching. It's common for someone who's addicted to an antihistamine to scratch until they're raw and bleeding.

Which is better Claritin or Zyrtec?

“Claritin is a 24-hour antihistamine that works in the same way as Zyrtec, however, research has found that Claritin may be less potent than Zyrtec and therefore less effective,” explains Dr. Parikh. Although potential side effects may also be minimized as a result, she adds.

What organ does Zyrtec affect?

Common Zyrtec Side Effects
Organ SystemZyrtec Side Effects
Skin, muscles, and bone•Increased sweating •Itchiness •Muscle aches and/or weakness •Joint pain
Heart and cardiovascular system•Flushing •Hot flashes •Heart palpitation •High blood pressure
Urinary tract•Reduced urination •Pain with urination
4 more rows
Jun 11, 2023

Can people over 70 take Zyrtec?

Adults 65 years and over Chew and swallow 2 tablets (5 mg) once daily; do not take more than 2 tablets (5 mg) in 24 hours. Consumers with liver or kidney disease Ask a doctor.

What is the best antihistamine for people over 70?

Wozniak: Newer antihistamines such as Claritin® (loratadine) and Allegra® (fexofenadine) tend to be safer and better tolerated. They're effective for symptoms such as itching, sneezing and runny nose, and they minimize those sedating side effects more so than Benadryl®.

How long does it take for antihistamines to get out of your system?

How long does Benadryl stay in your system? For most adults, Benadryl can stay in your system for up to about 60 hours (2.5 days). For children, it doesn't stick around quite as long. Children retain Benadryl in their bodies for up to about 35 hours (about 1.5 days).

What body system does Zyrtec affect?

It is a second-generation antihistamine that works by blocking the action of a chemical called histamine. Histamine is the chemical produced by the immune system that triggers allergy symptoms. By doing so, Zyrtec can help relieve the following seasonal allergy symptoms: Runny nose.

What happens if you take too much Zyrtec in 24 hours?

Overdosing on antihistamines, the most common line of defense against seasonal allergies, can lead to increased drowsiness, nausea, vomiting and—in the case of first-generation sedating antihistamines—seizures and coma.

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