![]() Normally, this neurotransmitter plays a role in the control of your gut muscles, which help move things along. Yep, antihistamines can have an effect on your bowel habits as well! Again, this is down to the medications’ effects on acetylcholine signaling. Drying out allergy-affected eyes further can sometimes just make the symptoms worse. That’s especially annoying because dry eyes can also be red, stinging, and irritated, which are also common symptoms of itchy eyes due to allergies. It’s thought that some antihistamines can actually reduce your tear production via effects related to acetylcholine, causing your eyes to feel more dry. Similar to dry mouth, dry eyes is also a common antihistamine side effect. This particular side effect generally isn’t serious, but if you’re trying to manage dry mouth for other reasons, know that your antihistamine could be contributing to it. The current thinking is that it’s the effects on acetylcholine that drive this side effect, which explains why it’s more common with the first-generation drugs. Again, this one is most common with the older medications, but can happen with the newer ones as well. Dry mouthĭryness, especially dry mouth, is another very common side effect of antihistamines, Dr. In his experience, Zyrtec has the highest incidence of sedation followed by Xyzal, Claritin, and Allegra, respectively. Newer antihistamines tend not to cause as much sedation, but they still can in some people, Dr. Having severe sleep or allergy issues every single night probably warrants a better insomnia- or allergy-management strategy. However, if that’s starting to become a regular issue, you may want to talk to your doctor about other options. Just be aware that it can cause some grogginess in the morning as well, he says. Lane says that it can be beneficial in other circumstances, like if your allergy symptoms are making it difficult for you to get to sleep at night. ![]() This side effect obviously isn’t great if you have to drive or operate heavy machinery after taking your allergy meds, but Dr. It’s so common, in fact, that diphenhydramine is actually used as a sleep aid in some medications. Sedationįeeling drowsy or sleepy is one of the most common antihistamine side effects, especially in regard to first-generation antihistamines. Here are some of the most common antihistamine side effects that you should know about. When choosing an antihistamine-or trying to figure out where a new symptom came from-be aware that the medication can come with side effects, including some that may be a little surprising. In addition to the OTC options, there are prescription allergy medications they can prescribe as well as eye drops and nasal sprays that may be better for your particular set of symptoms. So, if you’re not sure what’s right for you-particularly if you’ve tried a few over-the-counter options without success-it’s worth talking to an allergist about what might work. How do you know which medication is right for you?įiguring out the right allergy medication for you depends on your symptoms, your preferences, and a careful weighing of the side effects that drug might produce. As a result, these drugs generally have fewer side effects, and those they do produce tend to be less severe. Lane says, meaning that they are more selective for H1 receptors and make their way to the brain much less often. In addition to these precautions, you may also note that Cetirizine is not safe while driving, and is is not addictive in nature.On the other hand, second-generation antihistamines are overall “cleaner” drugs, Dr. Some other conditions that can be affected by Cetirizine are listed in the contraindications section below.ĭrug interactions for Cetirizine have been reported in the medical literature. Further, the section on Cetirizine related warnings talks about Cetirizine's effects on the liver, heart and kidney. ![]() In addition, Cetirizine's effect is Safe during pregnancy and Mild for lactating mothers. If, however, they worsen or do not go away, please speak with your physician. Normally, these side effects of Cetirizine are not long lasting and go away when the treatment is finished. Some other side effects of Cetirizine have been listed ahead. ![]() Detailed information has been provided in the dosage section. Dosage also depends on the route of administration and your chief complaint for which the drug is prescribed. The right dosage of Cetirizine depends on the age, gender, and medical history of the patient. Secondary and off-label uses of Cetirizine have also been mentioned below. It is primarily used for the treatment of Allergy, Urticaria Pigmentosa, Common Cold. ![]() Cetirizine is a prescription drug, available for use as Tablet. ![]()
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