Can Zyrtec keep you awake at night?

Zyrtec-D (cetirizine / pseudoephedrine) relieves allergies and congestion without causing daytime sleepiness, but it can keep you up at night.

Can Zyrtec cause insomnia?

Antihistamines

Impact on sleep: Using antihistamines can block the presence of an important neurotransmitter, acetylcholine , which leads to insomnia.

Does Zyrtec affect sleep quality?

Conclusion: Both antihistamines, significantly increased daytime sleepiness and nocturnal sleep quality.

Does Zyrtec make you sleepy or awake?

Drowsiness, tiredness, and dry mouth may occur. Stomach pain may also occur, especially in children. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

What happens if you take Zyrtec before bed?

While some over-the-counter antihistamines can cause drowsiness, routinely using them to treat insomnia isn't recommended. 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).

How to Prevent Nighttime Allergies - From the makers of ZYRTEC®

Which antihistamine is best for sleep?

Diphenhydramine is known as a drowsy, or sedating, antihistamine as it makes you sleepy. Non-drowsy antihistamines are less likely to have this effect. These include cetirizine, fexofenadine and loratadine.

What are the side effects of Zyrtec?

Why was Zyrtec taken off the market?

While it is just now showing up in the FDA Enforcement report, Perrigo initiated the recall of the antihistamine in late September after it found that the products potentially contained an impurity.

Can Zyrtec cause restless leg syndrome?

TUESDAY, April 19, 2016 (HealthDay News) -- Over-the-counter allergy medications may worsen symptoms of restless legs syndrome, a neurologist contends. People with the syndrome experience uncomfortable sensations and strong urges to move their legs, which can be painful and disrupt sleep, according to Dr. William Ondo.

Does Zyrtec cause anxiety?

Antihistamines

Antihistamines are known to cause extreme drowsiness; however, in certain people, they can cause insomnia, excitability, anxiety, restlessness, and a rapid heart rate.

Should I take Zyrtec at night or in the morning?

So taking your 24-hour allergy medications before going to bed means that you'll get the maximum effect when you need it the most. "Taking your allergy medication at night assures that it will be circulating in your blood stream when you most need it, early the next morning," Martin says in a news release.

Is Zyrtec good for anxiety?

These drugs also aren't effective for severe anxiety or depression, and they're not a long-term treatment for any anxiety disorder. Because of their ready availability, antihistamines could also potentially increase the risk of a negative interaction. This includes other prescriptions and over-the-counter drugs.

Which antihistamine is best for anxiety?

Hydroxyzine's unique effect on serotonin is likely why it's the only antihistamine used for anxiety. While hydroxyzine can be used to treat many different types of anxiety disorders, it is used most often for generalized anxiety disorder (GAD), especially when it is associated with insomnia.

Is it better to take antihistamines at night or in the morning?

For many people with allergies, symptoms are the worst around 4 a.m. to 6 a.m. Taking an antihistamine at bedtime may help you or your child feel better in the morning during allergy season.

What should you not take with Zyrtec?

Avoid the use of alcohol, sedatives, and tranquilizers as cetirizine can increase the risk of drowsiness. Cetirizine may cause central nervous system depression; avoid activities requiring mental alertness until accustomed to the medication.

Is it OK to take Zyrtec everyday?

Is cetirizine (Zyrtec) safe to take every day? Cetirizine (Zyrtec) is safe to take every day if you have allergy symptoms on a daily basis. If you don't have allergy symptoms every day, you can take it as needed on days when these symptoms bother you.

Why is my body restless at night?

Poor sleep habits, which are part of sleep hygiene, are a common cause of insufficient or low-quality sleep. Having an inconsistent sleep schedule, using electronic devices in bed, and eating too late at night are examples of habits and routines that can lead to restless sleep.

Why do antihistamines make RLS worse?

Medications. A number of medications can make RLS worse. In particular, anti-nausea drugs and sedating antihistamines (like Benadryl) block the brain's dopamine receptors, causing restless legs symptoms. Antidepressants that increase serotonin and antipsychotic medications can also aggravate the condition.

Do antihistamines worsen restless leg syndrome?

"Patients with restless legs syndrome already have difficulty sleeping as their symptoms tend to worsen at night or with rest, but sedating antihistamines, such as Benadryl, can intensify the symptoms," said William Ondo, M.D., a Houston Methodist neurologist.

Is Zyrtec hard on your kidneys?

In general, anti-histamines do not cause kidney problems. Some, such as diphenhydramine (Benadryl) can cause retention of urine in your bladder. Others such as Claritin and Zyrtec are generally very safe.

How long does it take for Zyrtec to be out of your system?

Official Answer. 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.

Does Zyrtec 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.

Can I take Benadryl at night and Zyrtec in the morning?

Allergy medications can be taken by mouth or applied to specific areas, such as the eyes or nose. Oral antihistamines, such as diphenhydramine (Benadryl) and cetirizine (Zyrtec), should never be taken together, as this can lead to dangerous complications.

Does Zyrtec make you sleepy like Benadryl?

Zyrtec and Benadryl have similar side effects. The most common side effects are sleepiness or drowsiness, fatigue, dry mouth, dizziness, and headache.

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).