Can non drowsy Zyrtec make you tired?
Newer, second-generation antihistamines such as cetirizine (Zyrtec®), fexofenadine (Allegra®) and loratadine (Claritin®) – marketed as “nonsedating” – usually cause less drowsiness.
How common is drowsiness with Zyrtec?
Common side effects The most common side effect of cetirizine is feeling sleepy and tired. This happens in more than 1 in 10 people. Talk to your doctor or pharmacist if this side effect bothers you or does not go away. Other common side effects of cetirizine happen in more than 1 in 100 people.
Is Zyrtec really non drowsy?
You may have read that Claritin, Zyrtec, and Allegra are “non-drowsy.” Compared to Benadryl (diphenhydramine), which is notorious for making you sleepy, they do cause less drowsiness — but they can still make you drowsy. They also carry a risk of other side effects.
Why am I so tired after taking Zyrtec?
The first-generation antihistamines can make you drowsy because they cross the blood-brain barrier, an intricate system of cells that regulates what substances pass into the brain.
Which antihistamine causes drowsiness?
antihistamines that make you feel sleepy – such as acrivastine, chlorphenamine (Piriton), hydroxyzine and promethazine. non-drowsy antihistamines that are less likely to make you feel sleepy – such as cetirizine, cinnarizine, diphenhydramine, fexofenadine and loratadine.
Is Zyrtec a drowsy antihistamine?
Zyrtec and Claritin are second-generation antihistamines. They are less likely to make a person feel drowsy or otherwise affect alertness than older, first-generation antihistamines. The labeling of Zyrtec says that a person should not take it when driving a vehicle or using machinery.
Is Zyrtec stronger than Benadryl?
Benadryl (diphenhydramine) is a first-generation antihistamine. First-generation antihistamines tend to cause more sedation and drowsiness and can impair coordination and driving….Conditions treated by Zyrtec and Benadryl.
| Condition | Zyrtec | Benadryl |
|---|---|---|
| Seasonal allergic rhinitis | Yes | Yes |
| Perennial allergic rhinitis | Yes | Yes |
What antihistamine causes drowsiness?
Chlorphenamine is known as a drowsy antihistamine because it can make you feel sleepy. Non-drowsy antihistamines are less likely to have this effect. These include cetirizine, fexofenadine and loratadine. Most people prefer to take a non-drowsy antihistamine as it’s less likely to interfere with their everyday routine.
Does Zyrtec help sleep?
People use them to treat long-term allergy symptoms, and they are not effective as sleeping aids. The following are nonsedating antihistamines: cetirizine, the active ingredient in Zyrtec.
Why does cetirizine make me sleepy?
Antihistamines, mainly used to treat symptoms of hay fever or other allergies, can induce drowsiness by working against a chemical produced by the central nervous system (histamine).
Does Zyrtec make you real Sleepy?
Zyrtec and Claritin have very few side effects and are generally recognized as safe for most people. However, some side effects may still occur. Zyrtec can cause sleepiness, but only in some people. Take it for the first time when you will be at home for a few hours in case it makes you sleepy.
What are the long term effects of taking Zyrtec?
Common Zyrtec side effects may include: dizziness, drowsiness, headache; dry mouth; nausea, constipation; or. tired feeling.
Does Zyrtec cause weird dreams?
Bad dreams is found among people who take Zyrtec, especially for people who are female, 2-9 old , have been taking the drug for < 1 month, also take medication Singulair, and have Hypersensitivity.
Is Claritin or Zyrtec better to reduce drowsiness?
The advantage of Claritin and Zyrtec is they cause less drowsiness than older anti- allergy drugs like Benadryl or hydroxyzine. Cetirizine and loratadine are very similar. Both interact with few other drugs, but the drugs that cause adverse reactions when combined with Claritin are different than the ones that cause bad reactions with Zyrtec.