What are the long term effects of taking Zyrtec daily?

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.


Is it OK to take Zyrtec everyday for years?

Is it safe to take Zyrtec every day? Yep. "When taken in the recommended doses, antihistamines can be taken daily. This is especially true with Zyrtec, since it doesn't show decreasing effectiveness if used daily," says Sima Patel, MD, an allergist at New York Allergy & Sinus Centers.

What are the dangers of taking Zyrtec?

Drowsiness, tiredness, and dry mouth may occur. Stomach pain may also occur, especially in children. If any of these effects last or get worse, tell your doctor or pharmacist promptly.


What does Zyrtec do to the brain?

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

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.


Side effects due to prolonged use of antihistamines - Dr. Sriram Nathan



Can Zyrtec cause memory problems?

First-generation (older) allergy medications may cause memory loss. However, newer antihistamines, cetirizine (Zyrtec) and loratadine (Claritin) are less likely to cause problems with memory and cognition.

Can Zyrtec make you gain weight?

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

Can you have withdrawals from Zyrtec?

Most commonly abused antihistamines include Benadryl, Zyrtec, and Allegra. The antihistamine withdrawal timeline depends on the specific drug. The withdrawal signs usually begin between 48 and 96 hours after the last dose. They usually peak between days 3 and 5 and can last between 1 and 7 days.


Does Zyrtec raise blood pressure?

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.

When should I stop taking Zyrtec?

See your doctor if your mild allergy symptoms have not improved after three days of treatment with Zyrtec, or if your hives persist for more than six weeks despite taking Zyrtec. Discontinue Zyrtec once your allergy symptoms have resolved.

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.


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.

Who should not use 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.

Does Zyrtec increase 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 are common side effects of Zyrtec?

Common side effects may include:
  • drowsiness, tiredness;
  • dizziness, feeling light-headed;
  • feeling hot, sweating;
  • numbness, tingling, burning pain;
  • decreased sense of taste;
  • headache;
  • upset stomach, nausea, constipation; or.
  • dry mouth, sore throat.


Can I stop Zyrtec cold turkey?

A: Neither the label nor the medical literature warns that stopping cetirizine suddenly can result in unbearable itching. Nevertheless, visitors to www.PeoplesPharmacy.com have reported that the hives and itching can be agonizing and last for weeks. Some people have reported success with gradual tapering of the dose.

What can I take for Zyrtec withdrawal?

Some people have found that switching to a different antihistamine such as fexofenadine (Allegra) or loratadine (Claritin) can ease the itching from cetirizine withdrawal.


What are the side effects of long term use of antihistamines?

Short- and long-term effects of misusing antihistamines
  • Dizziness.
  • Loss of coordination.
  • Dry nose, throat, or mouth.
  • Blurred vision.
  • Drowsiness.
  • Gastrointestinal upset such as nausea, vomiting, and constipation.
  • Difficulty urinating.
  • Loss of appetite.


How to not gain weight on Zyrtec?

This, plus side effects like drowsiness, could lead to weight gain. Your risk of gaining weight from antihistamines may depend on many factors.
...
Can you prevent weight gain from antihistamines?
  1. Limit your antihistamine use. ...
  2. Focus on lifestyle factors. ...
  3. Keep hydrated. ...
  4. Be mindful of snacking. ...
  5. Keep a food diary.


Does Zyrtec make you sleep longer?

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). These medications can be useful in certain situations, such as for treating sleeplessness related to travel.


Does Zyrtec affect appetite?

H1 receptor antihistamines such as cetirizine, fexofenadine, and desloratadine are among the most commonly prescribed medications for the treatment of allergies and have been shown to stimulate appetite and weight gain as side effects of treatment (6).

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.

What are the 9 common pills linked to Alzheimer's?

Some anticholinergic drugs linked to dementia risk include:
  • Amitriptyline (Elavil)
  • Aripiprazole (Abilify)
  • Benztropine (Cogentin)
  • Biperiden (Akineton)
  • Brompheniramine (Dimaphen DM)
  • Carbamazepine (Tegretol)
  • Chlorpheniramine (ChlorTrimeton)
  • Chlorpromazine (Thorazine)


What are the 9 memory robbing drugs?

Examples: Alprazolam (Xanax), chlordiazepoxide (Librium), clonazepam (Klonopin), diazepam (Valium), flurazepam (Dalmane), lorazepam (Ativan), midazolam (Versed), quazepam (Doral), temazepam (Restoril) and triazolam (Halcion).

Why did they recall Zyrtec?

Sandoz issued a voluntary recall of 1,023,430 units of Zyrtec (10 mg) capsules as a result of failed impurities and a specification being reported for impurity at the 21-month stability time point, according to an FDA Enforcement Report.