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Doctor insights on: Astemizole

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Dr. Herman Hammerstead
4 doctors shared insights

Astemizole (Overview)

Astemizole is an antihistamine which is a kind of antihistamine.


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Treatment of clarinex (desloratadine) allergy?

Treatment of clarinex (desloratadine) allergy?

Avoid Clarinex (desloratadine): If you have had an adverse reaction to clarinex, (desloratadine) the only treatment is avoidance. ...Read more

Dr. Herman Hammerstead
4 doctors shared insights

Astemizole (Overview)

Astemizole is an antihistamine which is a kind of antihistamine.


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With allergy drugs such as astemizole, how about claritin (loratadine)?

With allergy drugs such as astemizole, how about claritin (loratadine)?

Astemizole not sold: Astemizole is off the market as it caused arrythmias (irregular heart beats). Cetirizine is currently the most effective 2nd generation, non-sedating antihistamine available, as effective as Benadryl (diphenhydramine) 25 mg, 1 tab 3-4x/day. It can be purchased over the counter and 300-365 tabs are available from discount retailers like bj's and costco for under $18.00. ...Read more

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Which is best zyrtec allegra (fexofenadine) claranex?

Which is best zyrtec allegra (fexofenadine) claranex?

Depends: All 3 of the mentioned new generation antihistamines (zyrtec, allegra, (fexofenadine) clarinex) are effective for treating allergic rhinitis and hives. What's interesting is that each individual person may respond better to one over the other. While every allergist probably has his/her favorite, truth is...They all work. If not happy with one, try a different one! ...Read more

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Signs of clarinex (desloratadine) allergy?

Signs of clarinex (desloratadine) allergy?

Rare: Hives that only occur after taking the medication. Swelling afterwards, coughing, wheezing or shortness of breath. ...Read more

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Chlorpheniramine maleate or allegra (fexofenadine) which is safer?

Chlorpheniramine maleate or allegra (fexofenadine) which is safer?

Both: Antihistamines are extremely safe. Any antihistamine can cause drowsiness, but second-generation antihistamines are much less likely to do so. Drowsiness with chlorpheniramine is the biggest side effect to watch for, between these two meds. ...Read more

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Claritin (loratadine) side effects?

Pretty rare: Drowsiness & fatigue are reported by ~2% of users. Headache, abdominal pain, sore throat, diarrhea have been reported. Rare but reported side-effects include liver damage, seizures, & low platelet counts. I have been in practice for 29 years and have occasionally seen drowsiness, headache and abdominal pain associated with Claritin (loratadine) but none of the others so far and its a very commonly used drug. ...Read more

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Is zyrtec or polaramine (dexchlorpheniramine maleate) stronger?

Is zyrtec or polaramine (dexchlorpheniramine maleate) stronger?

Zyrtec (cetirizine): Polaramine (dexchlorpheniramine maleate) (dexchlorpheniramine) is an older antihistamine that is not used as often due to dosing every 8 hours and side effects (impaired driving ability). Effectiveness of polaramine (dexchlorpheniramine maleate) was similar to Claritin (loratadine) while a study in healthy adults showed zyrtec (cetirizine) to be a better antihistamine than polaramine (dexchlorpheniramine maleate). Go to: http://www.Ncbi.Nlm.Nih.Gov/pubmed/2972549. ...Read more

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Zyrtec vs cetirizine?

Zyrtec vs cetirizine?

Same and different: Both one and same thing antihitamine once a day pill generic vs no generic, both over the counter. Should be taken at night as it can make you sleepy. Try not to take every day every pill has side effects. ...Read more

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Is expired allegra (fexofenadine) safe?

Expired medication: Typically, when a medication expires, it's because it loses its potency or effectiveness. There are some medications that, with time, do breakdown with time into harmful substances. Check with your pharmacist to make sure. I would not recommend taking any expired medication. ...Read more

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With allergy drugs such as astemizole, how about claritin (loratadine)?

Astemizole not sold: Astemizole is off the market as it caused arrythmias (irregular heart beats). Cetirizine is currently the most effective 2nd generation, non-sedating antihistamine available, as effective as Benadryl (diphenhydramine) 25 mg, 1 tab 3-4x/day. It can be purchased over the counter and 300-365 tabs are available from discount retailers like bj's and costco for under $18.00. ...Read more

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Which one better for sinus infection? Claritin, (loratadine) allegra, zyrtec

None of these: These medications are antihistamines which counter the affects of allergies. They are not antibiotics which are typically prescribed for sinus infections. Decongestants and sinus rinses may help with the symptoms associated with the sinus infection, but these antihistamine medications, in my experience, do little for this condition. ...Read more

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With allergy drugs such as astemizole or terfenadine, how about taking claritin (loratadine)?

With allergy drugs such as astemizole or terfenadine, how about taking claritin (loratadine)?

Depends: Astemizole is not available in the U.S. The other two are now over the counter medications for seasonal allergies. Consult your doc if you think you have seasonal allergies. ...Read more

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With allergy drugs such as astemizole can I take claritin (loratadine)?

Combine astemizole: Generally you don't need to but occasionally you can safely combine them for flareups. ...Read more

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Can zyrtec (cetirizine) kill yeast?

Can zyrtec (cetirizine) kill yeast?

Zyrtec (cetirizine) and yeast: Zyrtec (cetirizine) is an antihistamine and has no anti-fungal properties. Taking zyrtec (cetirizine) should have no effect on yeast. ...Read more

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Is Claritin (loratadine) same as benedryl?

Is Claritin (loratadine) same as benedryl?

Not exactly: Benadryl (diphenhydramine) is diphenydramine, an old first generation antihistamines that lasts about 6 hours and can cause drowsiness and other side effects. Claritin (loratadine) is a new generation antihistamine that can last 24 hours and has less side effects. At this time, there is no real advantage to benadryl, (diphenhydramine) unless a person also wants some sleep.... ...Read more

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Is loratadine like benadryl (diphenhydramine)?

Is loratadine like benadryl (diphenhydramine)?

Kinda mostly: Loratadine is a 'non-sedating antihistamine, ' and Diphenhydramine (/benadryl) is a sedating antihistamine (aka: older / h1 & h2 blocker), so yes, they are close cousins in intended effects--just differ in side effects. ...Read more

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What antihistamine would be comparable to fexofenadine (allegra)? Is Claritin (loratadine) or zyrtec comparable?

What antihistamine would be comparable to fexofenadine (allegra)?  Is Claritin (loratadine) or zyrtec comparable?

All similar: The various antihistamines such as fexofenidine, Claritin (loratadine) and zyrtec are comparable for allergy symptoms. Some people will find that one medication works better for them than another one. ...Read more

Dr. Lois Freisleben-Cook
3 doctors shared insights

Hismanal (Definition)

Hismanal is an antihistamine which is ...Read more