There are many brands available on prescription from your GP or over the counter at your local pharmacy.Different antihistamines are better at treating different symptoms, so ask your GP or pharmacist to advise you on which antihistamine is best for your needs.Sedatives encompass a wide variety of drugs with different mechanisms of action that can induce depression of the central nervous system (CNS).
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They should also be used to prevent motion sickness rather than treating it.
When your nose is dripping and your eyes are itchy, you need fast relief.
Some people use antihistamines such as Phenergan and Vallergan as sedatives for their children, for example when they are travelling on a plane, but this can backfire as some children respond by becoming significantly more active (not a nice thing at 30,000 feet).
Over-the-counter (OTC) medications can be quick, easy, and convenient options to ease minor aches and pains, the common cold, or seasonal allergies.
Besides those two groups of drugs, other sedatives are also used for that purpose.
Barbiturates are nonselective CNS depressants that used to be the mainstay of treatment to sedate patients or to induce and maintain sleep.
Antihistamines don’t stop allergic reactions from happening, but they do block the histamine receptors from being able to be triggered by the histamine that is released, reducing your symptoms.
Antihistamines come in different forms, including tablets, nasal sprays, eye drops and syrups.
Antihistamines are one of the most commonly used OTC medications, including allergy treatments like Allegra (fexofenadine) and Zyrtec (cetirizine), or a sleep aids like Nyquil (which often contain diphenhydramine—also known as Benadryl).
These 5 facts will help you choose the right OTC antihistamine.
Common adverse effects can include dry mouth/nose/throat, drowsiness, loss of visual accommodation, and sensitivity to bright light.