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Doctor insights on: Cetirizine And Drowsiness

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Is there such thing as Zyrtec (cetirizine) NON drowsy? Pharmacist is saying there is. I can't find it.

Is there such thing as Zyrtec (cetirizine) NON drowsy? Pharmacist is saying there is. I can't find it.

Zyrtec (cetirizine): While any anti allergy medication can potentially cause drowsiness, the sole ingredient in Zyrtec (cetirizine) plain is formulated not to cause drowsiness inmost people. Plain Zyrtec (cetirizine) is what you want. ...Read more

Dr. John Chiu
575 Doctors shared insights

Cetirizine (Definition)

Ceftirizine is the generic name of an antihistamine previously marketed under the ...Read more


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Does taking zyrtec (cetirizine) d make you drowsy?

Does taking zyrtec (cetirizine) d make you drowsy?

No: Zyrtec (cetirizine) d typically does not make one drowsy, but it can. With the "d" component, which is pseudophed, most patients get hyper b/c this is a stimulant. ...Read more

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Zyrtec (cetirizine) makes me very drowsy. Is this common and are there non-drowsy antihistamines that provide as effective allergy relief? Thanks

Zyrtec (cetirizine) makes me very drowsy. Is this common and are there non-drowsy antihistamines that provide as effective allergy relief? Thanks

Yes: This is a common side effect of Zyrtec, but it is different for everyone. If Zyrtec makes you drowsy, you could try the other 2 common anti-histamines instead - Allegra or Claritin (loratadine). Some people have been drowsy with these medicines as well, but others have not. Best wishes. ...Read more

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Does long term use of zyrtec (cetirizine) cause possible forgetfulness and drowsiness?

It can: Zyrtec (cetirizine) is antihistamine and histamine is active in brain so it is entirely possible to cause mental cloudiness and neuro changes. Has less 'sleepiness' than other antihistamines but doesn't mean it is without side effects. ...Read more

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Loratadine makes me drowsy, should I try cetirizine to see if that doesn't do the same thing?

Loratadine makes me drowsy, should I try cetirizine to see if that doesn't do the same thing?

You can: Loratadine & Cetirizine are both in a class of medications known as non-drowsy long acting anti-histamines. Although they are in the same class, I still have patients that experience drowsiness (usually more from cetirizine); however, I would try it because everyone responds differently to the same medications. Take it before bed so if drowsy you can go to sleep anyway. ...Read more

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My body acts weird. Everytime I use Zyrtec (cetirizine) drops I get very little drowsy only on the first dose. My tolerance goes away if I stop it for long. Why?

Expected: That's true with most sedating antihistamines. One does get used to the drowsiness after a couple of weeks. Whether this is due to a faster breakdown of the drug by the liver or reconditioning of the brain- no one knows However it is believed that some impairment in performance does happen when measured by performance tools even though you may not be feeling it. ...Read more

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My doc prescribed me Zyrtec (cetirizine) 10 drops twice a day. I get drowsy with it. I also have classes on Monday. I find it hard to stay full awake.

Try others: You can either reduce the number of drops required without causing drowsiness or better still change to other antihistamines such loratadine or fexofenadine which would not likely have drowsiness effects. ...Read more

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I just got Zyrtec (cetirizine) oral drops which allow me to be alert. Will it cause insomnia if I take it at bedtime? I am still afraid it may make me drowsy...

Unlikely: Zyrtec (cetirizine) causes drowsiness (usually mild) in only about 10% of the people and given your paradoxical response, it may indeed keep you awake at night. Try something else. ...Read more

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They say Aerius is non-drowsy but it DOES make me drowsy in an hour while Zyrtec (cetirizine) has no adverse effect on me. Is this even normal?

Normal for you.: Everyone is a little different. While desloratadine does not make most people drowsy it seems to have that effect on you. This may be normal. ...Read more

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Stuffy nose and my OB said it might be due to allergies. I've never had allergies before. 25 weeks pregnant, and was told it was safe to take zyrtec. Will it help for nasal congestion? Is it drowsy?

Stuffy nose and my OB said it might be due to allergies. I've never had allergies before. 25 weeks pregnant, and was told it was safe to take zyrtec. Will it help for nasal congestion? Is it drowsy?

Zyrtec (cetirizine): It is ok to take it in pregnacy yet it is not a decongestant. If you need that mucinex is a safe option to help break up mucus. Zyrtec isn't drowsy like benadryl (diphenhydramine) ...Read more

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I think my grand daughter ate a cetrizine what do I do. She is two. It's been about 30 minutes and no sign of drowsiness?

I think my grand daughter ate a cetrizine what do I do. She is two. It's been about 30 minutes and no sign of drowsiness?

Poison control: Maximum dose of Cetirizine for her age is 5 mg. It is not clear from your report how much was ingested. Best next move is to call your local poison control center for guidance. Please have the bottle of medications with you to provide needed information. ...Read more

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Why do I feel drowsy today?

Did you sleep well?: Daytime alertness largely depends on your sleep. It must be sufficient and high quality.

Are you taking any meds that are sedating you? ...Read more

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Do Vibramicyn make you drowsy?

Not Common.: This is not a commonly reported side effect, but I am sure it could occur. ...Read more

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I took aspirin and now feel drowsy?

I took aspirin and now feel drowsy?

How many you take?: How many aspirin did you take? But YES, drowsiness can be an uncommon side effect of even low dose aspirin. You should discuss this with your physician since other causes of drowsiness should be checked into which could be unrelated to aspirin therapy. If you'd like to speak about this with me then, write me at:

www. Healthtap. Com/drsaghafi ...Read more

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I'm always so slow and drowsy. Am I just depressed?

I'm always so slow and drowsy. Am I just depressed?

No: You might have a thyroid problem. Hypothryoidism can make you feel "slow and drowsy" there are other medical conditions that can make you feel that way too. Find a doctor who will take the time to find the real cause of your problem and not just prescribe drugs for symptoms. ...Read more

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Peeing and feel drowsy in the daytime what could this mean?

Syncope?: If by drowsy you mean fading sensation you may have what is called micturition syncope which is the result of both vagal stimulation and orthostatic hypotension. Have your MD check your blood pressure lying down and after two min standing. ...Read more

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Always drowsy not pregnant?

Hmmm: Check the medication you are on. You may also have a metabolic condition that may be causing your problems. ...Read more

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Can some vitamins cause drowsiness?

Can some vitamins cause drowsiness?

It depends: Vitamins consumed in whole foods by themselves should not cause drowsiness. Taken in pill form, they may be combined with other compounds that can be contributing to drowsiness. Consult with a physician regarding your vitamin usage. ...Read more

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Could bi-polar cause extreme drowsiness?

Could bi-polar cause extreme drowsiness?

Possibly...: Changes in energy level (too high and too low) are characteristic of mood disorders including depression and bipolar. Then again there are many medical reasons for fatigue including anemia, hypothyroidism, and poor diet or sleep hygiene. I would speak with your physician before drawing any conclusions. ...Read more

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Will non-drowsy tussin dm make you hyper?

Will non-drowsy tussin dm make you hyper?

In some people: Dm is dextromethorphan, which can act like a neurotransmitter of a stimulatory nature. ...Read more

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Does Mucinex (guaifenesin) make you drowsy?

No (if used alone): Mucinex (guaifenesin) alone is not associated with drowsiness. Common side effects may include headache, dizziness, nausea/vomiting. Be careful when using combination products which may contain antihistamines as these may cause drowsiness. Take with a full glass of water. Do not use for > 7 days. If problem persists /worsen see a doctor. Hope you feel better soon. ...Read more

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Loratidine non drowsy does it keep you awake?

Loratidine non drowsy does it keep you awake?

No: Loratadine is an antihistamine and should not keep one awake. If the antihistamine is paired with a decongestant then there is the potential that this combination could keep one awake. ...Read more

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Could idebenone supplements cause drowsiness?

Could idebenone supplements cause drowsiness?

Yes: It increases cerebral metabolism in animal models and improves symptoms dues to vascular insults.
It is used for friedrech's ataxia, mitochondrial encephalopathy and in clinical trial for dementia. ...Read more

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Why do I get really drowsy before my period?

Why do I get really drowsy before my period?

Maybe related: This is not a typical complaint but if it happens to you consistently then it is likely related to the hormonal changes associated with menstrual cycle. Consider trying birth control to see if this fixes it. ...Read more

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What's the best non-drowsy allergy medication?

What's the best non-drowsy allergy medication?

Allegra (fexofenadine): If you are referring to over-the-counter antihistamines than Allegra (fexofenadine) is considered one of the most non-sedating on the market. Airline pilots can take this medication while flying so it has been proven to be non-sedating. Other non-sedating antihistamines include Zyrtec and Claritin (loratadine). ...Read more

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How is drowsiness caused by diabetes prevented?

How is drowsiness caused by diabetes prevented?

Normal glucose level: Diabetics must be hypervigilent about maintaining "normal" glucose levels with their diet and any treatment medications to avoid drowsiness. ...Read more

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What causes irregular breathing and drowsiness?

What causes irregular breathing and drowsiness?

Lots of things: There are so many possible processes which could cause either of those symptoms or both related to the same clause that you will have to give us a little more information in order to be helpful. For instance, is this problem sudden in onset or has it been developing? Have you had it for a long time at the same intensity level? Are you a smoker or do you have asthma? Are you anemic? ...Read more

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Does chlorpheniramine maleate 4 mg make you drowsy?

It can: Chlorpheniramine is a first generation antihistamine and compared to other first generation antihistamines (like benadryl) it is typically less drowsy. However, it is more likely to cause drowsiness compared to claritin, (loratadine) allegra, etc. ...Read more

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Is drowsiness a symptom of wheat intolerance/allergy?

Is drowsiness a symptom of wheat intolerance/allergy?

Allergy: Never heard or seen that. However, everything is possible in the field of Medicine. It appears unlikely though. ...Read more

Dr. John Chiu
551 Doctors shared insights

Zyrtec (Definition)

Zyrtec is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


Dr. Marsha Davis
425 Doctors shared insights

Drowsiness (Definition)

Drowsiness = feeling sleepy/ feeling ...Read more