Can be taken once a day. May be given daily on a regular basis when allergens are most prevalent (such as during spring or summer). Zyrtec does not appear to interact with many drugs (theophylline slightly decreased the clearance of Zyrtec). Zyrtec has been demonstrated to be safe in children older than 6 months.
Is taking Zyrtec everyday bad for you?
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.
How long can you take Zyrtec for?
Any time of day works. And ZYRTEC® will continue to work for 24 hours.
What are the side effects of long term use of Zyrtec?
That said, Cetirizine can cause adverse effects, such as:
- some drowsiness.
- excessive tiredness.
- dry mouth.
- stomach pain.
What are the side effects of long term use of antihistamines?
These common side effects include sedation, impaired motor function, dizziness, dry mouth and throat, blurred vision, urinary retention and constipation. Antihistamines can worsen urinary retention and narrow angle glaucoma. The antihistamines rarely cause liver injury.
Can Zyrtec make you gain weight?
Antihistamines that can cause weight gain include: Diphenhydramine (Benadryl and others) Cetirizine (Zyrtec)
Do antihistamines weaken immune system?
Most anti-allergy medications do not affect immunity, but it does depend on the medication. Medication such as antihistamines and Montelukast are generally considered safe so you should continue to use these. To the best of our knowledge, there is no reason to think that antihistamines would lower the immune response.
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 Zyrtec?
For example, some people experience symptoms with cetirizine if they take it for a while and then stop suddenly. 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.
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.
Why is Zyrtec being recalled?
According to the June 26, 2019, US Food and Drug Administration (FDA) Enforcement Report, P & L Developments initiated the recall after learning of a recall issued by its supplier over potential Burkholderia cepacia (B. cepacia) and Ralstonia pickettii (R. pickettii) contamination.
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.
Does Zyrtec cause memory loss?
In the brain, they inhibit activity in the memory and learning centers, which can lead to memory loss. Alternatives: Newer-generation antihistamines such as loratadine (Claritin) and cetirizine (Zyrtec) are better tolerated by older patients and do not present the same risks to memory and cognition.
Is Zyrtec bad for your liver?
Cetirizine and its enantiomer levocetirizine are second generation antihistamines that are used for the treatment of allergic rhinitis, angioedema and chronic urticaria. Cetirizine and levocetirizine have been linked to rare, isolated instances of clinically apparent acute liver injury.
Are antihistamines bad for your heart?
Antihistamines, which are commonly used to treat symptoms such as a runny nose or sneezing, are generally safe for patients with abnormal heart conditions. However, the FDA has warned that antihistamines taken in conjunction with some high blood pressure medications may cause a spike in blood pressure.
Can you become dependent on antihistamines?
For those who abuse diphenhydramine, however, dependency does not occur, meaning that their bodies do not experience the constant need to use or develop withdrawal symptoms when unable to use. They can, however, become addicted to this substance, which means they feel psychologically unable to stop using.