2017年10月5日 · Most antihistamine medications can be purchased over the counter (OTC), although one that we are going to recommend is by prescription only. To start, let's look at the OTC histamines we recommend. Diphenhydramine , which is the active ingredient in Benadryl, is sold over the counter and helps to provide fast-acting itch relief.

2018年7月31日 · Lastly, if an antihistamine doesn't completely control your symptoms, you should speak to your doctor about the addition of other medications. Multiple studies have shown experiencing better relief of hives when an antihistamine is used in combination with the following: H2 blockers; Leukotriene receptor antagonists

2017年10月28日 · All the antihistamine medications that are indicated for allergies are H1 antagonists or simply "antihistamines". When released, histamine causes some of the following effects: Vasodilation (dilating the blood vessels) - This is what causes a majority of the nasal symptoms you experience, most commonly that congested nose.

2018年3月9日 · Claritin (loratadine) is a second generation antihistamine. Other second-generation antihistamines include Allegra (fexofenadine) and Zyrtec (cetirizine). Antihistamines bind to histamine receptors that are found in the nose, lungs, eyes, and skin and block histamine from binding and creating the symptoms associated with allergies such as a ...

2019年10月15日 · Benadryl (diphenhydramine) is a commonly used over the counter first-generation antihistamine. It does ...

2018年7月4日 · Benadryl is a first-generation antihistamine. Antihistamines are widely used for self-care of allergy symptoms including runny nose, watery eyes, sneezing, and itching of the nose, throat, or eyes. Benadryl may also be used for symptoms of the common cold, allergic reactions, occasional insomnia, and more.

2018年7月6日 · Benadryl (Diphenhydramine) is a first generation antihistamine used in the treatment of allergies, urticaria (hives), insomnia and motion sickness. Benadryl (Diphenhydramine) can be used to help manage hives. Hives are swollen, red patches of skin that can occur as a reaction to allergens or for unknown reasons. Benadryl For Hives

2018年3月30日 · Benadryl (diphenhydramine) is a first generation antihistamine, which are noted for their relatively short duration of action (~4 to 8 hours) and their sedating properties. In addition to its use for treating seasonal allergy symptoms such as a runny nose, Benadryl is also effective for treating symptoms of nausea, vomiting, and vertigo ...

2018年12月7日 · Benadryl (diphenhydramine) is a 'first-generation' antihistamine available in a variety of dosage forms including tablets, capsules, creams and as a solution for injection. It is used for the treatment of allergies, insomnia (due to the sedative effects), motion sickness and even mild symptoms of Parkinson's disease.

2018年4月1日 · Also, no oral antihistamine will rapidly eliminate your symptoms completely. How long the hives reaction lasts depends on what is causing them, whether you are still being exposed to whatever is causing them, and whether you scratch and scrub the area (which irritates the skin even more).