Cetirizine
ANTIHISTAMINEUses of Cetirizine
- Cetirizine prevents and treats allergy symptoms, such as red, itchy eyes, sneezing, a runny or stuffy nose, and hives. It is an antihistamine primarily used to manage various allergic conditions.
- Cetirizine helps relieve symptoms associated with seasonal or perennial allergic rhinitis, including sneezing, runny nose, itching, and watery eyes.
- Additionally, it is effective in treating chronic urticaria by reducing itching, redness, and the number of hives. It may also be used to address symptoms of other allergic reactions, such as those caused by insect bites or food allergies.
Side effects of Cetirizine
- Sleepiness
- Fatigue
- Vomiting
- Dryness in Mouth
- Headache
- Constipation
How Cetirizine works
- Cetirizine works by blocking the action of histamine, a substance in the body that causes allergic symptoms.
- By inhibiting histamine receptors (specifically H1 receptors), cetirizine helps reduce the symptoms of allergic reactions.
Certified content
Written By
B. Pharm
Reviewed By
B. Pharm, MSc.
Expert Advice
- It is recommended by doctors you take Cetirizine to reduce allergy-related itching, swelling, and skin rashes. Cetirizine is less likely to cause sleepiness comparable to other similar drugs. Cetirizine has low-level drug interactions and may be used safely with most other medications. Cetirizine may cause dizziness and tiredness. Do not operate a motor vehicle or engage in any activity requiring mental concentration until you have evaluated how the medication will affect you. If you're taking Cetirizine, you should avoid alcoholic beverages because they can cause you to be drowsy than usual. It is recommended that Cetirizine is stopped three days before taking an allergy test.
Dosage Forms Available
- Cetirizine can be taken orally (tablets, chewable tablets, liquid syrup, and dissolvable tablets).
Age And Dose Restrictions
- Cetirizine can be used in adults and children over 2 years of age.
Contraindications
- Cetirizine is contraindicated in patients with a known hypersensitivity to cetirizine or hydroxyzine. It should also be avoided by those with severe kidney disease unless prescribed and monitored by a doctor.
Medications To Avoid With This Drug
- Avoid taking Bronchodilators (theophylline) and CNS Depressants such as alcohol or sedatives, as it can increase drowsiness.
Frequently asked questions
1. Is Cetirizine safe to use in pregnancy?
Yes, it is safe and effective for usage during pregnancy. However, there is a lack of human studies despite evidence of little or no harm to the fetus from those performed on animals.
2. How much time does Cetirizine take to work?
Within 1 hour, you must experience the benefit of it.
3. Is it safe for breastfeeding mothers?
Yes, it's likely safe to take Cetirizine during breastfeeding. According to limited human studies, the medicine may not provide a significant risk to the unborn child.
4. Is it safe for patients with kidney disease to use Cetirizine?
Yes, patients who have kidney problems should take precautions while using Cetirizine. Some patients may need a dosage modification of Cetirizine. If you have any problems, you should consult your doctor.
5. Does taking Cetirizine cause sleepiness?
Yes, it may cause sleepiness. While using Cetirizine, it is recommended that you should not drive or operate heavy machinery. Relaxing until you feel better if you are experiencing sleep or dizziness is suggested.
6. Is it safe for patients with liver disease to use Cetirizine?
Yes, this medicine should be used with precaution, specifically if you have a history of liver disorders or problems. No modification to the Cetirizine dosage is recommended.
7. What warnings and precautions should I take while taking Cetirizine?
Do not use Cetirizine if you have an allergic reaction (hypersensitivity) to any of its components. We recommend that you consult a doctor as soon as possible.
8. Can I stop taking Cetirizine suddenly?
No, please do not stop taking Cetirizine without first consulting your doctor.
9. Which medications should be avoided while using Cetirizine?
It is not recommended to use any pain relievers (antipyrine), antibiotics (azithromycin, erythromycin), antacids (cimetidine), antifungals (ketoconazole), medications for treating respiratory problems (theophylline), and decongestants (pseudoephedrine), and anti-viral or anti-HIV medications (ritonavir). Before using any prescription or over-the-counter medications, you must consult your doctor.
10. Does taking Cetirizine affect my fertility?
No, Cetirizine is unlikely to affect fertility in either men or women. However, there is currently insufficient evidence to justify any clear conclusion. Consult your doctor for the most accurate information.
11. Is Cetirizine a steroid? What is it used for?
Cetirizine is not a steroid; it is an antihistamine used to relieve allergy symptoms such as sneezing, runny nose, and itching.
12. How long does it take for Cetirizine to work?
Cetirizine usually begins to work within 1 hour of taking the dose.
13. Can I take Cetirizine and Fexofenadine together?
Taking Cetirizine and Fexofenadine together is generally not recommended, as they are both antihistamines and can increase the risk of side effects.
14. Is it safe to take Cetirizine daily for a long time?
Taking Cetirizine daily for an extended period is generally considered safe, but it is best to do so under the guidance of a doctor.
Cetirizine in other salts
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