Doctor insights on:
Cetirizine Allergy Medication
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
Usually no: Zyrtec (cetirizine) is rated by the food and drug admistration as category b in pregnancy. Animal reproductive studies have not demonstrated a risk. There have not been well controlled human studies in pregnancy to prove safety in humans ( very few medications have been proven safe in controlled studies in pregnancy as few such studies are ever done). Avoid zyrtec (cetirizine) d in the first trimester. ...Read more
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
Im needing to know if there will be a reaction or overdose from take dimetapp multi symptoms for kids with brompheniramine and Cetirizine Allergy?
It is possible: Generally these class of OTC remedies are discourage by the acdemy of pediatrics. With the multisymptom cough remedies your child will be getting medications that may not be necessary with the risk of abnormal dosing. Supportive therapy can help with some symptoms. If no improvement a consult with the pediatrician is recommended for specific therapy ...Read moreSee 1 more doctor answer
Can I take an extra seasonal allergy medicine if one dose of zyrtec (cetirizine) a day is not helping enough?
Not advised: You should not take an extra dose of any once a day medication. In this case see your allergist or primary doctor to decide what medication(s) you can take, in addition to or instead of what you are taking now. ...Read more
I took a generic allergy medicine at 11am this morning containing loratadine but it has not helped. Could I take a Zyrtec (cetirizine) now or should I just wait?
Can I give my 4 year old melatonin and allergy medicine ( zyrtec (cetirizine) ) in the same day? If yes what would be the proper dose of melatonin?
Yes, but why??: There are no bad interactions between zyrtec (cetirizine) and melatonin. They are safe to use together. The bigger question is why daily melatonin. I imagine it has to do with poor sleep initiation patterns, but without knowing more, i would talk to his pediatrician about its use. A usual safe dose for a 4 y/o is 3 or 5 mg at bedtime, but as important is bedtime routine, decreased stimulation, etc. ...Read more
Yes: Yes, Zyrtec (cetirizine) can become ineffective after a while. Zyrtec (cetirizine) tends to block histamine responses; however, the immune system diversifies with time and sends additional signals to respond to allergy (develops an adaptive response with IgE antibodies, B cells, T cells, etc). Once this occurs, antihistamines only block a subset of the allergic immune response. ...Read moreSee 1 more doctor answer
Can i give my 15 year old a fever reducer and cetirizine, and also her singular allergy medicine?
Meds: Yes you may give all the meds together. ...Read more
Best over-counter allergy medicine for dog/cat allergies. I don't know what the difference is between zyrtec, (cetirizine) clariton or alegra d. Thanks!
Best allergy med: Hello, all the medications you mentioned are otc antihistamines. Each one works in allergy and some people prefer one over the other.The Allegra (fexofenadine) d that you referred to has an added decongestant that may be helpful. Review these medications with your doctor or pharmacist to see which is best for you. ...Read more
Can you take more than one 24 hour allergy medicine a day? Like Claritin, Zyrtec or Allegra. Could you also do that in addition to a nasal Spary like
Yes: For non-sedating AH, you can take up to 4x a day. ...Read more
Don't over do it: Yes, as long as you follow the label and prescription directions. ...Read more
I have allergies but it seems like Zyrtec (cetirizine) and singular aren't working for me anymore.....are they any other medications I can bring up with my dr?
Yes, more options: a 27 yo female with allergies on zyrtec and singulair (montelukast) already. Spring allergies can be bad, but there are still options. An OTC nasal steroid spray (like Flonase or Nasacort) used consistently (every day) and with proper technique (point outwards towards ear), Saline sinus rinses daily also can help. See an allergist to determine exactly what you are allergic to. Allergy shots an option as well ...Read more