Cetirizine hydrochloride how long does it take to work

They often occur with food or medication allergies. The usual dosage for adults younger than 65 years and children who are 6 years and older is one milligram mg dose per day. Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild. Cetirizine is a newer, second-generation antihistamine. Unlike first-generation antihistamines, cetirizine is less likely to cause side effects such as dangerous drowsiness, dry mouth, blurred vision, and overheating.

Tell your doctor about any unexpected side effects that you have while taking cetirizine. Also, discuss any ongoing or bothersome side effects. These side effects are usually not emergencies.

Be cautious. Taking cetirizine is generally safe during pregnancy. If you have liver or kidney disease, ask your doctor about taking cetirizine. For example, avoid consuming alcoholic drinks while you take cetirizine. Doing so may be dangerous. Mixing cetirizine with alcohol can cause drowsiness or make you less alert.

If you take any type of tranquilizer, sedative, or sleep aid, make sure to mention this to your doctor before you use cetirizine. Mixing cetirizine with drugs that depress your central nervous system can increase sleepiness.

It can also further affect your mental and nervous system functions. There is a possibility of a drug interaction between cetirizine and theophylline. Theophylline Theo is a drug that some people with asthma and other lung problems take. In some instances when the two drugs were taken, it took longer for cetirizine to leave the body. However, the interaction may be dose-related. It has only been reported with daily theophylline doses of mg or more.

Cetirizine-D and brand-name versions, such as Zyrtec-D, are combination drugs. These drugs contain both cetirizine and the decongestant pseudoephedrine.

Pseudoephedrine is a stimulant and can make certain health conditions worse. 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. Zyrtec and Claritin may be considered for women who are breastfeeding if the benefits outweigh the risks. Zyrtec is an over-the-counter antihistamine that is used to treat allergies.

It starts to relieve allergy symptoms within an hour and lasts for around 24 hours. Zyrtec can be used in adults and children over 6 years of age. Claritin is a second-generation antihistamine that is available over the counter. It is indicated in the treatment of allergies and produces maximum effects in about 3 hours. Allergy relief usually lasts for 24 hours. Claritin is suitable for adults and children over 2 years of age.

Both Zyrtec and Claritin belong to the same drug class but their generic forms are different. Zyrtec has the active compound cetirizine hydrochloride while Claritin has the active compound loratadine.

Zyrtec has more sedating properties compared to Claritin. Few studies have been performed comparing the efficacy of Zyrtec and Claritin. One clinical trial has shown that Zyrtec may be better for allergic rhinitis although there were no significant differences between the two. Still, Zyrtec produces more drowsiness and somnolence compared to Claritin. Certain antihistamines have been shown to be associated with birth defects.

While Zyrtec and Claritin may have a low pregnancy risk, it is best to consult your doctor before starting either of these medications. Zyrtec or Claritin should not be taken with alcohol. Alcohol may increase sedating side effects when consumed with antihistamines. Antihistamines should not be taken simultaneously because it can increase the risk of adverse effects.

Zyrtec and Claritin can be used long term. However, these medications are usually prescribed during the allergy season. Once allergy symptoms have subsided, these drugs may be discontinued. Loratadine has fewer sedating properties compared to cetirizine. The effectiveness of the two are more or less equal.

However, cetirizine may have a quicker onset of action. Skip to main content Search for a topic or drug. Zyrtec vs. Claritin: Differences, similarities, and which one is better for you. By Gerardo Sison, Pharm. Want the best price on Claritin? Top Reads in Drug vs. Toujeo vs Lantus: Main Differences and S Dulera vs Advair: Main Differences and S Allergies affect more than 50 million people in the United States alone.

People with allergies can experience lots of symptoms, including sneezing, runny nose, stuffy nose nasal congestion , or itchy, watery eyes. If you only develop upper respiratory symptoms at certain times of the year often spring or fall , you probably have seasonal allergic rhinitis, or outdoor allergies. These allergies can be triggered by trees, grass and weed pollens, or outdoor mold.

Learn more about outdoor allergies. Common triggers include animal dander tiny skin flakes or saliva from animals , indoor mold and dust mites. Learn more about indoor allergies. SmartSource is an online network of coupons and offers that can help you save money. Just download the coupons you want and print them out to use at your favorite stores. Most people already have Adobe Reader installed, so this makes the transition seamless.

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