What Is Zyrtec? Zyrtec (cetirizine hydrochloride) is an antihistamine that treats symptoms, such as itching, runny nose, watery eyes, and sneezing from hay fever (allergic rhinitis) and other allergies, such as allergies to molds and dust mites. Zyrtec is available in generic form and over-the-counter (OTC).
What is zyrtec used to treat?
Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.
What drug category is Zyrtec?
Cetirizine works by blocking a certain natural substance (called histamine) that your body makes during an allergic reaction. It works against the production of histamine, and belongs to as class of medications called antihistamines.
Is Zyrtec a controlled substance?
Zyrtec is used in the treatment of allergic rhinitis; urticaria and belongs to the drug class antihistamines. There is no proven risk in humans during pregnancy. Zyrtec 10 mg is not a controlled substance under the Controlled Substances Act (CSA).
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.
Is it OK to take Zyrtec everyday?
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 Zyrtec the same as Benadryl?
A main difference between Benadryl and Zyrtec is that Zyrtec tends to cause less drowsiness and sedation than Benadryl. Both Benadryl and Zyrtec are available in generic form and over-the-counter (OTC).
How quickly does Zyrtec work?
Most people experience at least 24 hours of relief after a single dose. Zyrtec, on the other hand, is fast acting. People who take it may feel relief in as little as one hour. Antihistamines like Zyrtec and Claritin are designed to calm the histamine reaction your body has when it’s exposed to an allergen.
How often should I take Zyrtec 10mg?
The usual dosage for adults younger than 65 years and children who are 6 years and older is one 10-milligram (mg) dose per day. You shouldn’t take more than 10 mg in 24 hours. Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild.
How long does Zyrtec last in your system?
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.
Who should not take Zyrtec?
You should not use this medicine if you are allergic to cetirizine or levocetirizine. Cetirizine injection is not for use in children young than 6 years old who have liver or kidney disease. Ask a doctor or pharmacist if it is safe for you to take cetirizine oral if you have any medical conditions.
How does Zyrtec work in the body?
Cetirizine is in a class of medications called antihistamines. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms. Cetirizine is also available in combination with pseudoephedrine (Sudafed, others).
Does Zyrtec lower BP?
For allergy sufferers with heart disease, medicines such as Allegra, Zyrtec or Claritin should be safe. However, medicines containing decongestants — including Allegra-D, Zyrtec-D and Claritin-D — could increase your blood pressure and heart rate or interfere with your heart medication.13 мая 2019 г.
What are the long term effects of taking Zyrtec?
“The most common side effects you tend to see are fatigue, headaches, and dry mouth,” says Shih. If you’re someone for whom the benefits of regular antihistamine use far outweighs the occasional minor side effect, longterm use is safe for most adults and children, he adds.17 мая 2018 г.
Does Zyrtec cause weight gain?
H1 receptor antihistamines such as cetirizine, fexofenadine, and desloratadine are among the most commonly prescribed medications for the treatment of allergies and have been shown to stimulate appetite and weight gain as side effects of treatment (6).
Does Zyrtec help with congestion?
Try ZYRTEC®-D to powerfully clear your blocked nose and relieve your other allergy symptoms, so you can breathe easier all day. * *Provides 12 hour relief of nasal congestion, sneezing, runny nose, itchy, watery eyes and itchy nose and throat. Find it behind the pharmacy counter.