Doctor insights on:
Yes, antihistamine: Zyrtec (cetirizine) *is* an antihistamine. Zyrtec (cetirizine) is an antihistamine used for treating allergy symptoms and itching due to hives. There are no other ingredients in zyrtec; however, zyrtec-d, a separate formulation, has in addition to the antihistamine a decongestant. ...Read moreSee 1 more doctor answer
Maybe: You should not do this without the supervision of a doctor. ...Read more
What the signification of hci ? In most of medicines say. Exemplo: cetirizine hci antihistamine 10 mg tablets
The full name meds: This is a very good question. It gets to the heart of science. In nature all molecules are balanced with acid and base to bring the chemical into homeostasis... Meaning to maintain stability. Medications are no different. For them to maintain stability they must mimic human life and chemistry. ...Read more
Is it safe to take another 24-hour zyrtec (cetirizine) antihistamine if there's still about 8 hours left before the previous one wears off?
Follow dosing: It's best to adhere to the dosing recommended. It would be hard to overdo it with the zyrtec (cetirizine) , the way you are suggesting, but it begs the question- how well does the rx work , if you want more before the proper dosing interval ? I would think you need to talk with your doctor about other options to achieve safe allergy control. Sometimes more than one rx is necessary. ...Read moreSee 1 more doctor answer
Would like to know if both antihistamine and decongestant thicken mucus.Have read some newer antihistamine (zyrtec) do not, and decongestants do not.
Dehydration: Thicker mucous is an expected response of an inflamed mucous membrane. The best way to thin the mucous is to drink lots of water. ...Read more
What if I am concerned my hives are caused by an antihistamine in the first place? I.E. Zyrtec and allegra (fexofenadine)
Taking higher doses of antihistamines for few weeks for bad hives. (40mg day) reactine. Can this cause constipation?
I take 10mg of Cetirizine Hydrochloride (Extra Strength Reactine) once daily for bad allergies, year round. Do antihistamines inhibit iron absorption?
No: It has no effect on absorption of nutrients. ...Read more
Zyrtec (cetirizine): Which drug is better fora specific patient cannot be predicted. I generally try zyrtec first because it does cannot claim not sedating. A little sedation helps alleve itching. Allegra, (fexofenadine) claritn, and Clarinex are allowed to claim no sedation. ...Read moreSee 1 more doctor answer
I'm looking for a natural antihistamine for seasonal allergies rather than using zyrtec (cetirizine)?
Natural treatments : Natural treatments are medications too. Usually not as well studied or characterized for benefit and safety as those approved by the fda. I don't know of any natural antihistamines per se but butterbur has been reported to have benefits. A very safe alternative to allergy medicine is buffered saline washes. These can be purchased or home made but certain hygienic guidelines should be followed. ...Read moreSee 1 more doctor answer
What antihistamine would be comparable to fexofenadine (allegra)? Is Claritin (loratadine) or zyrtec comparable?
I had grapefruit, then took 10mg of cetirizine about an hour or so later. I had no idea grapefruit could interact with antihistamines. Am i in danger?
No.: There is a protein in grapefruit that can inhibit one of the systems in the body that metabolize drugs. So, this may increase the potency of certain family of drugs, by decreasing the breaking down of the drug in the body. The two antihistamines that were in this category have been removed from the market, so there is probably a small, but clinically insignificant, effect. Don't worry. ...Read moreSee 3 more doctor answers
Yes: The antihistamine Cetirizine is a very safe medication and can be used with most other medications. A very small percentage of people will have drowsiness. This potentially could be worsened by combining with percocet, but not nearly as significant as using benadryl (diphenhydramine). ...Read more
Do you still need to take antihistamines such as Claritin or zyrtec if you are using nasacort (triamcinolone)?
If I have a true allergic reaction to Benadryl (diphenhydramine) will i be allergic to all antihistamines, like zyrtec?
No: If you are allergic to benedryl you msy not be allergic to other antihistamines. ...Read more
Why are the mg dosage of antihistamines different? Allegra is 180mg , Claritin (loratadine) is 5mg , and zyrtec is 10mg.
If you take an antihistamine before you ate such as Zyrtec, would that help prevent a severe allergic reaction such as anaphylaxis?
No: and better not to take any antihistamine prophylactically to prevent possibe severe allergic reaction to any suspected food that would cause allergy, what happens is that the antihistamine masks the initial warning signs that a more severe reaction is coming. You may want to keep an epinephrine injection handy, and avoid suspicious foods. Follow up with an allergist, check aaaai.org 4 an allergist ...Read more