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Doctor insights on: How Often Can You Take A Reactine Pill

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How many reactine pills can I take at once?

How many reactine pills can I take at once?

1-2, depends on size: Zyrtec (cetirizine) is the U.S. Medication. It may be called reactine in other countries. If using zyrtec (cetirizine) dosing, 5 mg works for kids, and 10mg for teens and adults. ...Read more

Dr. John Chiu
560 doctors shared insights

Cetirizine (Definition)

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


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I accidentally took an expired (18 months ago!) Zyrtec pill. Should I take the correct (unexpired) one nowbad well or should I wait 24 hours?

Wait: Medication can lose it's effectiveness past expiration date, but I would not expect it to not be effective at all; especially if only 18 months expired. It will not be harmful at all that you took an expired zyrtec. It will probably still be almost as effective as it was prior to expiration, so I would just wait and take a new one at your normal time the next day. Hope this helps! ...Read more

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How often can I take reactine extra strength allergy pill?

How often can I take reactine extra strength allergy pill?

Once a day: I believe you are referring to one of the generic Cetirizine products. There are so many names for this medication depending on the store where you purchased it. Cetirizine is a once a day medication. ...Read more

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Zyrtec (cetirizine) works best for me but also is very sedating for the next 24 hrs. Can i split the pill and take a lower dose (5 mg) or even 2.5 mg children's dose? Would those doses be less sedating?

Zyrtec (cetirizine) works best for me but also is very sedating for the next 24 hrs. Can i split the pill and take a lower dose (5 mg) or even 2.5 mg children's dose? Would those doses be less sedating?

Possibly but...: Decreasing the dose may also decrease the sedative effects. But it will presumably also decrease the main effects as well. Consider trying other medications, and also ensure that you are not taking zyrtec (cetirizine)-d which is more sedating that zyrtec (cetirizine). ...Read more

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Is it harmful or bad to take a Reactine allergy pill daily for an extended period of times?

Is it harmful or bad to take a Reactine allergy pill daily for an extended period of times?

No: Some are on it for months, but if you need it that badly, you'd better be followed by your doctor, ENT specialist or an allergist, check aaaai.org or acaai.org for an allergist in your area ...Read more

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Is it ok to take zyrtec (cetirizine) allergy pills every day?

Is it ok to take zyrtec (cetirizine) allergy pills every day?

Yes: If needed they may be taken everyday. Atarax (hydroxyzine) has been used for over 60 years and other than drowsiness & constipation is quite safe. When you take Hydroxyzine it is coverted to Cetirizine in your body. So people have been taking zyrtec (cetirizine) safely for 60 years. ...Read more

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My nose is extremely stuffy, i took 3 zyrtec pills and had mucinex (guaifenesin) as well. Did i take too much meds?

My nose is extremely stuffy, i took 3 zyrtec pills and had mucinex (guaifenesin) as well. Did i take too much meds?

Not the right kind: Although even taking 3 Zyrtec pills may be ok (except for some drowsiness perhaps), you are not taking the right pill since antihistamine pills do not decongest the nose. You will likely have better luck with a nasal steroid. Some will find an antihistamine with a decongestant (Zyrtec D?) to be helpful but I usually try to avoid oral decongestants because of the side effects. ...Read more

Dr. John Chiu
540 doctors shared insights

Zyrtec (Definition)

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