Top 20 Doctor insights on: Can i take allegra and zyrtec together
Not advisable: I would not take both at the same time because these medications do the same thing and can have additive effects if used together. They are both antihistamines for the treatment of allergies. If one of these alone is not helping, sometimes switching to the other one is helpful. If none of these remedies work, then consultation with your doctor or allergist would be appropriate. ...Read more
Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more
Breaking out head-toe from unknown contact allergy. Rash leaves scars. Waiting to see allergist. Derm said to take Zyrtec & Allegra together. Safe?
Yes safe, but: What are we treating? Is it contact allergy, then antihistamines won't help much, or is it a generalized reaction not related to a contactant? At any rate, follow the dermatologist advice until you see an allergist, good luck ...Read more
Breaking out head to toe from unknown contact allergy. Rash leaves scars. Waiting to see allergist. Derm said to take Zyrtec & Allegra together. Safe?
Yes OK to take both: We often recommend patients take allegra and zyrtec together for intense itching. It is best to take allegra in the morning (non drowsy) and zyrtec in the evening (can cause slight drowsiness). In rare instances we advise two allegras (180 mg each) plus two zyrtecs (10 mg each) for severe itching. The main side effect may be drowsiness from zyrtec ...Read more
NO: Two antihystamines, not recommended. Take maximum dose of one and that is it! ...Read more
Allergy meds: Hello. Allergy medication like zyrtec, Allegra and Claritin (loratadine) help with the symptoms of allergy. The dose for an adult is 180 mg for Allegra and 10 mg for zyrtec. If you take these meds on the same day, an increase in dryness as well as sedation will likely occur. Especially 4 Allegra and 1 zyrtec. There are other medications to help with your allergies. See your doctor. ...Read more
See your doctor: This is a high dose of antihistamines and should be best directed by an allergist. Sometimes the high doses are mandated to treat certain conditions, but not seasonal allergies. You should consult an allergist about your symptoms for the best way to treat them. ...Read more
Is it okay to take a 24 hr zyrtec in the am and a 12 hour allegra (fexofenadine) at night? The zyrtec alone hasn't been working well enough lately.
Allergy meds: Hello. Allergy medication like zyrtec and Allegra (fexofenadine) help with the symptoms of allergy. The dose for an adult is 180 mg for Allegra (fexofenadine) and 10 mg for zyrtec. If you take both on the same day, an increase in dryness as well as sedation will likely occur. There are other medications to help with your allergies. Instead of taking these two medications, see your doctor for other options. ...Read more
You shouldn't: All of those medications are in the same class called non-sedating antihistamines. They should not be taken at the same time. ...Read more
Is zyrtec or allegra (fexofenadine) better for chronic hives of unknown cause? Can I take either one daily & will it help hives go away?
Yes, it usually helps and you may take even up to 4 x daily (or 4x the average dose) if necessary. Zyrtec works a little faster and may be more potent than Allegra (fexofenadine) but there is a small chance of getting drowsy.
At times hives can be so severe that no antihistamine would control them. If this has been present for >8 wks, consider seeing an allergist. ...Read more
I've tried Zyrtec and allegra (fexofenadine) for my allergies and both of them make me feel real tired and spaced out. How can I treat allergies if I can't take meds?
I take OTC allergy meds everyday. I heard it can be helpful to switch OTC allergy meds every 3-4 months. Is this true? Zyrtec, Claritin, (loratadine) Allegra?
Similar medications: The medications you mentioned have the same mechanism of action. Everyone's body may have a different response to medications. Some studies have indicated that tolerance to antihistamines does not occur however switching to find which works best for you is reasonable. The best medication = the one with lowest side effects and works! Consider saline and nasal steroid spray or allergy testing. ...Read moreSee 1 more doctor answer
I have very bad seasonal allergies. I have tried everything, Zyrtec, Claritin (loratadine) and Allegra. Nothing works, what can I take?
See an allergist: If none of these OTC meds worked, unlikely that anything else will, you need to be evaluated, good history and physical examination. See your doctor first for initial evaluation, who would refer you or check aaaai. Org or acaai. Org for an allergist in your area, best wishes ...Read more
Is it OK to take 180 mg Allegra in AM and 10m Zyrtec AND Xyzal (levocetirizine) at dinner? Allergist said to take TWO Allegra, but I'm worried it's too much
Mixing antihistamine: Generally, it's best to follow one's doctor's instructions. If not wanting to take Allegra twice a day, and wanting to add a different antihistamine such as Zyrtec or Xyzal (levocetirizine), (levocetirizine) it is probably enough to take Zyrtec or Xyzal (levocetirizine) (one of them instead of both of them). Zyrtec and Xyzal (levocetirizine) are very similar. The makers of Xyzal (levocetirizine) say it is more effective than Zyrtec, but they are similar drugs. ...Read more
Allergy Dr ordered allergy bloodtests, I take Zyrtec, Allegra, (fexofenadine) singular for chronic urticaria each day. He said these will not affect the tests, true?
True: Blood tests won't be affected with the drugs you are on, only skin allergy tests would be, goodluck ...Read more
My MD once told me it takes 3--4 weeks for Allegra to actually work. Is this true? Is this the same for other allergy meds like Zyrtec and Claritin (loratadine)?
AntihistamineS: In general work within an hourGet a more detailed answer ›
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