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Jul 15, 2024 · Benadryl’s main active ingredient is diphenhydramine, a first-generation antihistamine. It helps relieve runny noses, sneezing, itchy or watery eyes, and nose or throat itching. ... Side effects ...
Jun 20, 2023 · Common Side Effects . Second-generation antihistamines (like Allegra, Claritin, clemastine, Xyzal, and Zyrtec) tend to have far fewer side effects than older-generation versions. Common side effects include:
Sep 1, 2005 · Second-generation antihistamines are less likely to cause these side effects. Could OTC antihistamines cause problems with any other medicines I take? Antihistamines can interact with other medicines you take. Talk to your doctor before taking a first-generation antihistamine if you take any medicines that can make you tired.
The side effects seen in children are similar. In children less than two years of age, the most common side effects are diarrhoea (3.7%), fever (2.3%) and insomnia (difficulty sleeping; 2.3%). For the full list of all side effects reported with Aerius, see the package leaflet.
Although it's unlikely to cause any side effects in your baby, it is a drowsy antihistamine, so could make your baby sleepy. If you're breastfeeding, or planning to breastfeed, talk to your doctor. They may recommend similar antihistamines, called loratadine and cetirizine , that are more suitable while you're breastfeeding.
Jun 13, 2014 · Early antihistamines (first-generation – Table 1), introduced in the 1940s, affect also dopaminergic, serotonergic and cholinergic receptors, inducing multiple side-effects, such as sedation. The advantage of newer antihistamines (second – and third-generation) is the selective H1 binding and their anti-inflammatory effect.
Sep 30, 2023 · Other side effects of Zyrtec. Some side effects of cetirizine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
