What is the most common side effect of Zyrtec?

The most commonly reported side effects include somnolence, dizziness, and headache. Use these dosage charts for infants and children under 12 years old: Zyrtec Dosage Charts (Infants & Children)

What are the negative side effects of Zyrtec?

What should I avoid while taking Zyrtec?

While most anticholinergics can be modified or monitored when taken with loratadine or cetirizine, several should be avoided entirely, including aclidinium, cimetropium, glycopyrrolate, glycopyrronium, ipratropium, oxatomide, tiotropium, and umeclidinium.

Can Zyrtec cause health problems?

Zyrtec (cetirizine) is a second-generation antihistamine used to relieve symptoms of seasonal allergies such as sneezing, runny nose, and itchy eyes. It is available over the counter for use in adults and children 2 years and over. Side effects include drowsiness, dry mouth, sore throat, dizziness, and stomach pain.

What body system does Zyrtec affect?

Zyrtec is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Zyrtec is used in adults and children to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.

ZYRTEC SIDE EFFECTS of Zyrtec 💊 - ForoTube

Is Zyrtec hard on your heart?

For allergy sufferers with heart disease, medicines such as Allegra, Zyrtec or Claritin should be safe. However, medicines containing decongestants — including Allegra-D, Zyrtec-D and Claritin-D — could increase your blood pressure and heart rate or interfere with your heart medication.

What does Zyrtec do to the brain?

Histamine H₁ receptor antagonist cetirizine impairs working memory processing speed, but not episodic memory.

Why was Zyrtec taken off market?

Greg Panico, a spokesman for Janssen Pharmaceutica, which is owned by Johnson and Johnson, said that the withdrawal was a voluntary business decision. “The decision to voluntarily discontinue it recognises that the allergy marketplace is crowded with a number of other drugs,” Mr Panico said.

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

by Drugs.com

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.

What are the symptoms of taking too much Zyrtec?

What happens if I overdose on Zyrtec (Cetirizine (Oral/Injection))? Overdose symptoms may include extreme drowsiness, vision problems, agitation, feeling restless and then drowsy or tired, fast heartbeats, stomach pain, nausea, vomiting, trouble walking, or trouble swallowing or speaking.

Can Zyrtec interfere with sleep?

Antihistamines

Impact on sleep: Using antihistamines can block the presence of an important neurotransmitter, acetylcholine , which leads to insomnia.

What happens if you take Zyrtec before bed?

While some over-the-counter antihistamines can cause drowsiness, routinely using them to treat insomnia isn't recommended. Antihistamines, mainly used to treat symptoms of hay fever or other allergies, can induce drowsiness by working against a chemical produced by the central nervous system (histamine).

Does Zyrtec cause anxiety?

One study also suggests cetirizine and hydroxyzine have a greater chance of causing anxiety and mood changes than other antihistamines. Hydroxyzine can also be used to treat anxiety conditions. So if you notice your symptoms worsen after starting this medication, contact your provider to discuss it further.

What happens when you stop taking Zyrtec daily?

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.

What is the best antihistamine for the elderly?

So what can older adults safely take for allergy relief? Wozniak: Newer antihistamines such as Claritin® (loratadine) and Allegra® (fexofenadine) tend to be safer and better tolerated.

Does Zyrtec cause brain fog?

Over-the-counter medications such as Benadryl and other antihistamine allergy medications also can lead to temporary brain fog and forgetfulness.

Do you need to wean 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.

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

Official answer. 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.

Does Zyrtec help with sinus pressure?

Decongestant & Antihistamine Medications

Along the same lines as OTC options, antihistamine medications, such as Sudafed, Claritin, Zyrtec or Benadryl, can also offer sinus infection symptom relief.

Can you take Zyrtec daily long term?

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.

Can Zyrtec increase eye pressure?

Over the counter medicines such as decongestants and antihistamines can dilate the pupil and lead to dangerously elevated eye pressure.

Can Zyrtec cause weight gain?

Antihistamines that can cause weight gain include: Diphenhydramine (Benadryl and others) Cetirizine (Zyrtec) Levocetirizine (Xyzal)

Is Zyrtec linked to dementia?

Neither Zyrtec nor ipratropium nasal spray are likely to significantly increase risk of dementia, nor of other anticholinergic side effects, such as blurry vision, constipation or fast heart rate.

Can Zyrtec make you feel tired?

The most common side effect of cetirizine is feeling sleepy and tired. This happens in more than 1 in 10 people. Talk to your doctor or pharmacist if this side effect bothers you or does not go away. Other common side effects of cetirizine happen in more than 1 in 100 people.

Is Zyrtec used for anxiety?

Antihistamines aren't an approved treatment for anxiety that lasts more than 12 months. They're also not for use with serious psychotic or other disorders that require specialized care from a psychiatrist.