I took Zyrtec for 1 year but have now stopped. How long does it stay in the body?
Medically reviewed by Drugs.com. Last updated on Oct 17, 2024.
Zyrtec will be in your system for at least 49.5 hours (approximately 2 days)
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.
Click on the link below for more information on Zyrtec:
https://www.drugs.com/zyrtec.html
Read next
What cold medicine can you take with diabetes?
If you have diabetes and you catch a cold or flu, there are over-the-counter (OTC) medicines that are safe for you to take to help alleviate your symptoms. Check out our suggestions for pain and fever relievers, cough and congestion medications and more.
Remember to look for cold and flu medicines that are less likely to affect your blood sugar (glucose) levels, including sugar-free and alcohol-free options, or worsen any diabetes complications you may have.
Continue reading
Is it OK to take antihistamines every day?
Yes, most people can take antihistamines every day, if they have daily symptoms of their allergies. If you have chronic allergies with daily symptoms, you may take a daily antihistamine. Continue reading
Does Zyrtec cause weight gain?
See also:
Aimovig
Learn about Aimovig (erenumab-aooe) a once-monthly, injectable medication that can be ...
Botox
Botox is used cosmetically to reduce facial lines and wrinkles and for medical purposes for ...
Xolair
Xolair injection (omalizumab) is used to help improve allergic asthma, nasal polyps, and chronic ...
Nurtec ODT
Nurtec ODT (rimegepant) is used to treat acute migraines and prevent episodic migraines, by ...
Depakote
Depakote is used to treat various types of seizure disorders. Learn about side effects ...
Topamax
Topamax (topiramate) is used to prevent seizures in adults and children and to prevent migraine ...
Emgality
Emgality (galcanezumab-gnlm) is a CGRP antagonist for the preventive treatment of migraine and for ...
Timolol
Timolol is used for angina, heart attack, high blood pressure, migraine, migraine prevention
Valproic acid
Valproic acid is used for bipolar disorder, cluster-tic syndrome, epilepsy, headache ...
Divalproex sodium
Divalproex sodium is used for bipolar disorder, borderline personality disorder, cyclothymic ...
Related medical questions
- Zyrtec vs Claritin: Which is more effective for allergies?
- Allegra vs Zyrtec: What's the difference?
- Which antihistamines make you drowsy?
- Can I take Allegra in the morning and Zyrtec in the evening?
- Can you take antihistamines when pregnant?
- Is Generic Zyrtec Available?
- How do you choose the right allergy medication?
- Should cetirizine be taken at bedtime or upon awakening?
- Over the Counter Medication for Pets
- What OTC drugs relieve tripledemic symptoms in kids?
Drug information
- Zyrtec Information for Consumers
- Zyrtec prescribing info & package insert (for Health Professionals)
- Side Effects of Zyrtec (detailed)
- Zyrtec user reviews (198)
Related support groups
- Zyrtec (50 questions, 54 members)