Is it better to take Zyrtec in the morning or at night?
Official Answer. 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.
Can Zyrtec cause insomnia?
Antihistamines Impact on sleep: Using antihistamines can block the presence of an important neurotransmitter, acetylcholine , which leads to insomnia.
When should you not take Zyrtec?
People 65 years or older and people with liver or kidney problems have a higher risk of experiencing side effects from taking antihistamine medications like Zyrtec (cetirizine). Watch out for changes in vision, severe dry mouth, trouble urinating, or constipation.
What are the long term side effects of taking Zyrtec?
Dizziness.
Why does Zyrtec cause sleepiness?
The most common side effect in children taking Zyrtec is drowsiness or sleepiness. One of the reasons it does this is because histamine is a neurotransmitter, an important protein that helps in the transmission of signals between neurons in the brain.
When is the best time to take Zyrtec?
Official Answer. 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.
Will you have increased appetite with Zyrtec?
Who have Appetite increased with Zyrtec – from FDA reports. Appetite increased is found among people who take Zyrtec, especially for people who are female, 40-49 old , have been taking the drug for 1 – 6 months, also take medication Premarin, .