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Doctor insights on: Strong Antihistamines

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Is there any other antihistamines that have as strong of or stronger anti allergic properties than benadryl (diphenhydramine)?

Is there any other antihistamines that have as strong of or stronger anti allergic properties than benadryl (diphenhydramine)?

Antihistamines: Yes. There are a number of them. Many available only by prescription. Different ones have different side effects. See your doctor to discuss which would be best for you. ...Read more

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Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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Are non-drowsy antihistamines such as Claritin (loratadine) effective for treating asthma?

Are non-drowsy antihistamines such as Claritin (loratadine) effective for treating asthma?

Not directly: Claritin is useful to reduce the symptoms of allergies, especially post nasal drip. It should be used with other medications. Mid you are having serious allergic symptoms that worsen your asthma, see an allergist. ...Read more

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What antihistamine has the strongest antiemetic properties?

Dramamine (dimenhydrinate): Dramamine (dimenhydrinate) and Meclizine are some that can be used. Different for different patients. ...Read more

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Is zyrtec (cetirizine) more powerful than OTC allergy medicines?

Is zyrtec (cetirizine) more powerful than OTC allergy medicines?

Zyrtec (cetirizine) is OTC: Zyrtec (cetirizine) is otc and is considered a more potent antihistamine than some others. However everyone responds to medication differently. ...Read more

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Are most anesthetics strong respiratory irritants, stimulants, regulators or depressants?

Are most anesthetics strong respiratory irritants, stimulants, regulators or depressants?

Depressants: Most general anesthetic agents (both those given intravenously and those that are inhaled) are strong respiratory depressants because they decrease the body's urge to breathe. Specifically, they eliminate the ventilatory drive in response to hypoxia (low oxygen) and reduce the ventilatory drive in response to hypercarbia (high carbon dioxide). There are, of course, exceptions. ...Read more

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What antihistamine has the strongest antiemetic properties besides phenergan (promethazine)?

What antihistamine has the strongest antiemetic properties besides phenergan (promethazine)?

Nausea treatment: Phenergan (promethazine) is a pretty good medication for symptomatic treatment of nausea. Meclizine seems to work better in motion sickness. If you are still symptomatic with those medications, you should be seen and evaluated by your physician to find out what causes it. Many serious health problems can cause nausea and vomitting. ...Read more

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Can i take expectorant+antihistamine combi cough syrup? aren't the actions contradictory? expectorant increasing & anti-histamine drying secretions?

Can i take expectorant+antihistamine combi cough syrup? aren't the actions contradictory? expectorant increasing & anti-histamine drying secretions?

No: Not contradiction, rather complementing each other, antihistamines act as cough suppressants besides help decrease excessive secretions, expectorants rather loosen the thick secretions helping to get rid of them, that's why plain water is the best expectorant ...Read more

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Need alternative to zirtec for allergy-induced asthma. Allegra and Benadryl (diphenhydramine) don't work, nor albuterol asthma inhalars. Claritin gives me nasal pain.

Need alternative to zirtec for allergy-induced asthma. Allegra and Benadryl (diphenhydramine) don't work, nor albuterol asthma inhalars. Claritin gives me nasal pain.

Allergic help: You will definitely need to speak with your physician about this. Other alternatives include the short acting chlorphenamine (chlortrimetron), sold over the counter. There are prescription medications - xyzal, singulair, xopenex, (levalbuterol) Flonase and more. Ultimately - make sure you speak with your physician about this, since the medications you have tried so far are not providing relief for you. ...Read more

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Which is stronger: astelin (azelastine) or patanase?

Which is stronger: astelin (azelastine) or patanase?

Have to try : Both are antihistamine nasal sprays, and both are effective. However, many people find that one works better than the other for them. The only way to tell which works best for you is to try each one for a month and compare. ...Read more

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Are butrans considered weak or strong opiods ?

Are butrans considered weak or strong opiods ?

Sure not a weak one: It comes in patch form to treat ch pain and have all the properties more or less like morphine ...Read more

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Do all zyrtec (cetirizine) have an antihistamine?

Do all zyrtec (cetirizine) have an antihistamine?

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 more

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Is astelin (azelastine) allergy spray addictive or not?

Is astelin (azelastine) allergy spray addictive or not?

No: Astelin nasal spray is not addictive like some other medications. It is a topical antihistamine spray that can provide relief for patients with symptoms of chronic rhinitis, such as sneezing, runny nose, postnasal drip, and nasal congestion. ...Read more

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Is pseudoephedrine safe for asthma as well as loratadine both in Claritin D because I know Benadryl (diphenhydramine) as an antihistamine is contraindicated ?

Is pseudoephedrine safe for asthma as well as loratadine both in Claritin D because I know Benadryl (diphenhydramine) as an antihistamine is contraindicated ?

Both of those: medications are not contraindicated in asthma. Benadryl (diphenhydramine) is not contraindicated in asthma. Many asthmatics have allergies which are treated with antihistamines of which benadryl (diphenhydramine) is the gold standard. ...Read more

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Is metamizole Strong pain reliever? Stronger than paracetamol+codeine ?

Is metamizole Strong pain reliever? Stronger than paracetamol+codeine ?

No longer used in US: This medication is not in the U.S. but remains throughout the rest of the world as an analgesic mostly associated with postoperative or perioperative pain relief. It comes as an IV so is considered a resonably potent type of drug for pain relief though less than narcotics since it is not a narcotic. I would agree that it would be considered to have more analgesic power than straight paracetamol ...Read more

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Does cetirizine (aka zyrtec) allergy medication contain any stimulant components?

Does cetirizine (aka zyrtec) allergy medication contain any stimulant components?

No: Cetirizine is also marketed with pseudoefedrine, which can be a stimulant in some people. Avoid zyrtec-d. ...Read more

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Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Yes: Claritin is a second generation antihistamine which causes much less drowsiness than first generation antihistamine, like benadryl (diphenhydramine). The number of people who feel drowsy on Claritin is so low that it is labeled "non-drowsy". But each of us is unique. I have plenty of patients who feel drowsy on claritin, especially petite women. ...Read more

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Are Claritin (loratadine) and zyrtec the same effectiveness when use for allergic rhinitis?

Are Claritin (loratadine) and zyrtec the same effectiveness when use for allergic rhinitis?

Yes: Claritin (loratadine) and zyrtec are both oral antihistamine agents that block the effects of histamine on what is called the h1 receptor. By doing this, they reduce the release of histamine, a substance that causes itching, runny nose, and sneezing. Zyrtec blocks the receptor a bit better, but the clinical effect of the medications is roughly the same. Zyrtec may cause some drowsiness, but may last longer. ...Read more

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What is strongest OTC sleeping aid? Or medicine with strong sedative effect ?

What is strongest OTC sleeping aid? Or medicine with strong sedative effect ?

Varies: What helps one person immediately get to sleep, may have not effect on another. Possibly try and determine the source of your sleep issues. I found occasionally that Nyquil or now, Zquil are quite effective for myself when I have some problems getting to sleep. ...Read more

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I've heard at low doses, Seroquel (quetiapine) acts as a strong antihistamine. Is this true & what is the dose?

I've heard at low doses, Seroquel (quetiapine) acts as a strong antihistamine. Is this true & what is the dose?

As low as 25mg: There are folk saying this - Discuss it w/ your doctor too. http://www.crazyboards.org/forums/index.php/topic/40642-seroquels-antihistamine-action/ Best! ...Read more

Dr. Paul Carter
642 doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more