If your doctor has prescribed this medication, take it as directed with or without food, usually twice daily (every 12 hours). Do not crush or chew extended-release tablets.
Can you take Zyrtec D twice a day?
Adults and Children 12 Years of Age and Older: The recommended dose of ZYRTEC-D 12 HOUR Extended Release Tablets is one tablet twice daily for adults and children 12 years of age and older. ZYRTEC-D 12 HOUR Extended Release Tablets may be given with or without food.
How often can I take Zyrtec D?
The dose of Zyrtec-D for adults and children 12 years and over is 1 tablet every 12 hours; not more than 2 tablets in 24 hours.
How many times can you take Zyrtec in one day?
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.
Is taking Zyrtec D everyday bad for you?
Because antihistamines like Claritin and Zyrtec are now available over the counter, we can trust that they’re generally safe for longterm use, says Shih.17 мая 2018 г.
Is Zyrtec D good for sinus infection?
Along the same lines as OTC options, antihistamine medications, such as Sudafed, Claritin, Zyrtec or Benadryl, can also offer sinus infection symptom relief. While these medications specifically target allergy symptoms, sinus infection symptoms can be similar, making antihistamines worth a try.
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.
Which is better Zyrtec D or Claritin D?
Claritin-D and Zyrtec-D are effective for allergy symptoms. With an added decongestant, both medications are effective for treating sinus pressure and nasal congestion. Some studies suggest that Zyrtec is more potent than Claritin. However, Zyrtec may have more sedative effects than Claritin.
Does Zyrtec D raise blood pressure?
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.
Which is better Claritin or 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.
Can Zyrtec help with anxiety?
Antihistamines work by having a calming effect on the brain, helping you to feel less anxious.
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.
Can Zyrtec cause depression?
The over-the-counter allergy medication cetirizine (Zyrtec and generic) has been linked to depression, as has another type of drug, montelukast (Singulair), which is often used to treat people with allergic asthma.
Do antihistamines weaken immune system?
Antihistamines, with their ability to disrupt the immune response that leads to annoying reactions like runny noses and swelling tissues, have long been considered the ideal way to control allergies. But their long-term effects on the immune system are unknown.
What are the long term effects of taking Zyrtec?
Non-sedating antihistamines are used in the long-term control of allergy, as in hay fever, eczema, sinusitis, and chronic urticaria. No serious side effects have been reported. Tolerance is not a problem. Rarely, they can cause acute self-limited liver injury.
What happens when you stop taking Zyrtec?
For example, some people experience symptoms with cetirizine if they take it for a while and then stop suddenly. The main withdrawal symptom is called pruritus— itching and burning sensations of the skin ranging from moderate to severe. Other antihistamine withdrawal symptoms include interruptions in sleep patterns.