However, there are a few studies that compare the effectiveness between Claritin and Zyrtec. Zyrtec has a quicker onset of action compared to Claritin and may be more effective than Claritin in reducing allergy symptoms, according to one clinical trial. However, cetirizine, the active ingredient of Zyrtec, has been shown to produce more drowsiness than loratadine.
In a randomized, clinical trial , those taking cetirizine for allergic rhinitis experienced more somnolence during the workday compared to loratadine. The choice of anti-allergy medication to use ultimately depends on your specific condition and symptoms. Your doctor will be able to suggest the best medication for you after evaluating your symptoms.
Zyrtec is available as a generic medication. For this reason, it is not typically covered by Medicare or insurance plans. With a SingleCare coupon card, this price can be lowered substantially. Get the SingleCare prescription coupon cards. Claritin is taken as a once-daily antihistamine that can be purchased as a generic OTC drug.
It is not usually covered by Medicare or insurance plans. Second-generation antihistamines such as Zyrtec and Claritin are less likely to cause sedating side effects; however, of the two, Zyrtec has been reported to cause a higher incidence of drowsiness. Other adverse effects of Zyrtec include fatigue, lethargy, dizziness, dry mouth, headache, constipation, cough, and nausea. Common side effects of Claritin include headache, fatigue, dry mouth, stomach pain, nervousness, diarrhea, skin rash, nose bleeds, and blurred vision.
Other serious side effects may include abnormal heart rate, palpitations, severe faintness, or seizures. It is important to contact your healthcare provider and seek care immediately should you experience any of these serious side effects.
This may not be a complete list of adverse effects that can occur. Please refer to your doctor or healthcare provider to learn more. Most antihistamines, including Zyrtec and Claritin, are metabolized by the liver and excreted in the kidney. These drugs are broken down by the P cytochrome enzyme in the liver which is involved in the metabolism of a number of other drugs. For this reason, both Claritin and Zyrtec have a number of drug interactions. Zyrtec and Claritin should be avoided with another sedating antihistamine such as Benadryl diphenhydramine.
Taking these two medications together can increase CNS side effects like sedation and impairment in judgment, concentration, and memory. You should also avoid using Zyrtec or Claritin with alcohol which can also increase drowsiness. Other sedating medications that Zyrtec is likely to interact with include benzodiazepines, some anticonvulsants, muscle relaxants, and certain antidepressants among other drugs. This is not a complete list of drug interactions.
Please consult your doctor before taking these medications. Antihistamines should not be taken if there is a history of an allergic reaction to any of the ingredients in the medication. Before taking either Zyrtec or Claritin, you should consult your doctor if you have liver or kidney disease. This is because these drugs are processed and excreted in the kidneys.
Children under 6 years of age, and adults over 65, should also consult their healthcare provider before taking Zyrtec or Claritin. Additionally, Zyrtec is contraindicated with the concurrent use of alcohol, tranquilizers or other forms of sedatives as they can increase the sedating side effects of this drug.
Studies have shown that most antihistamines do not cause birth defects when taken during pregnancy. However, some of these drugs do have the potential to cause certain birth defects. Before taking Zyrtec or Claritin in pregnancy, you should talk to your doctor about the potential risks.
Taking antihistamines during breastfeeding may not be recommended as these drugs can pass from breast milk to the baby. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Hide glossary Glossary Study record managers: refer to the Data Element Definitions if submitting registration or results information. Search for terms. Save this study. Warning You have reached the maximum number of saved studies Preference for Clarinex Tablets vs.
Zyrtec Tablets in Patients With Allergies P The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U. Federal Government. Read our disclaimer for details.
Last Update Posted : April 3, Study Description. Question: What is the cause and how do I get relief for watery eyes? I am a 70 yr old male with asthma. My eyes water constantly, so much so that tears run down my face. This occurs when I go outside e. Answer: Watery, itchy eyes are usually related to allergic conjunctivitis, although other eye conditions can cause these same symptoms. There are a number of eye drops e. Pataday, Zaditor, Alocril eye drops can relieve the symptoms of itchy, watery eyes that you describe.
Check with your doctor about trying this. Question: I have hay fever really bad in the spring and the fall; how soon before my bad season starts should I take my allergy meds? Answer: Most medications are effective within a matter of days. Cromolyn takes a full month to be completely effective. Allergy shots may take as long as two years. Question: What is the best precaution to take knowing that I have severe reactions to insect bites like swelling, blisters and are there certain over-the-counter medications that I should always carry?
Answer: Patients who have had systemic reactions to stings by vespids honey bee, wasp, hornet, yellow jacket or ants are at risk for allergic reactions that may be life threatening. Systemic reactions are those that cause low blood pressure, shortness of breath, gastrointestinal symptoms or swelling or rash distant from the site of the sting.
Individuals who have experienced such reactions should carry injectable adrenaline that comes in pre-loaded syringes under the names Ana-Kit or Epi-Pen. These preparations are available by prescription only but can be life saving and should be carried by all patients with a history of systemic responses to these insects. It is especially important to carry one of these preparations if one is going to be participating in activities in remote areas.
Antihistamines can be helpful but are not adequate for a life-threatening situation. Sudafed is a decongestant and a different type of medicine. I currently use Claritin-D. Is there another medicine that will work better to clear up the drainage? I am also on Serevent, Atrovent, Proventil and Uniphyl. I rarely take Proventil. Answer: Claritin-D can help sinus drainage for people with allergy and sinus drainage problems. Other antihistamines and decongestants can work including Allegra-D and Zyrtec-D.
There are also over-the-counter antihistamine and decongestant combinations that help with sinus drainage. It would be best to check with your pulmonary specialist. Question: Is Claritin dangerous if I am pregnant? I heard something about Claritin and Hypospadias last week in the news.
Answer: All medications should be used cautiously in pregnancy. Older antihistamines, such as pyribenzamine and benadryl, are probably the safest to use in pregnancy.
Claritin is FDA pregnancy category B, which is considered safe. Question: Can you suggest a safe medicine for a nursing mother with nasal allergy allergic rhinitis and itchy eyes and skin?
Answer: First of all, every pregnant or nursing mother and her doctor must carefully weigh the benefits to the woman against the risks to her fetus or infant when using any medication. Always inform your doctor if you are pregnant, planning a pregnancy or breastfeeding before using any medicine.
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