Side Effects of cetirizine injection: A Synthesis of Findings from 11 Studies
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This analysis is based on research papers included in PubMed, but medical research is constantly evolving and may not fully reflect the latest findings. There may also be biases towards certain research areas.
This information is not medical advice and is not a substitute for diagnosis or treatment by a physician. If you have concerns about "Side Effects of cetirizine injection: A Synthesis of Findings from 11 Studies", please consult your doctor.
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Main research findings
Cetirizine has been shown to inhibit the effects of various substances involved in allergic reactions, such as histamine, bradykinin, and platelet-activating factor (PAF). 5 , 4 Furthermore, cetirizine has been reported to inhibit urticarial reactions induced by the patient's own serum in patients with chronic urticaria. 5 , 4 Cetirizine has been shown to have an effect on suppressing swelling and redness of the skin caused by histamine (urticaria) and may be effective in treating chronic urticaria. 4
Reasons for side effects
Cetirizine acts as a histamine H1 receptor antagonist, suppressing allergic reactions caused by histamine. However, cetirizine can act on histamine H1 receptors that exist in various cells and tissues, which can lead to unintended side effects. 4 Cetirizine may also act on receptors other than the histamine H1 receptor, which is thought to be the cause of side effects. 3
Common side effects
Drowsiness
Cetirizine can cause drowsiness in some patients. 6 Cetirizine is said to have fewer drowsiness side effects compared to first-generation antihistamines. 6
Dry mouth
Cetirizine can cause dry mouth. 4
Gastrointestinal symptoms
Cetirizine can cause gastrointestinal symptoms. 4
Headache
Cetirizine can cause headache. 4
Fatigue
Cetirizine can cause fatigue. 4
Countermeasures for side effects
Drowsiness
If you experience drowsiness, adjust the time you take cetirizine or consult your doctor. 6
Dry mouth
If you experience dry mouth, drink plenty of fluids. 4
Gastrointestinal symptoms
If you experience gastrointestinal symptoms, consult your doctor. 4
Headache
If you have a severe headache, consult your doctor. 4
Fatigue
If you experience persistent fatigue, consult your doctor. 4
Comparison between studies
Common points
Multiple studies have shown that cetirizine is effective in suppressing urticarial reactions caused by histamine. 5 , 4
Differences
Different results have been reported regarding the side effects of cetirizine in different studies. 6 , 4 For example, drowsiness side effects have been reported in some studies, while others have not. 6
Precautions for real-life application
Cetirizine is an effective medication for alleviating allergy symptoms, but there is also a risk of side effects. 6 , 4 It is important to follow your doctor's instructions and adhere to the dosage when taking cetirizine. 6 , 4 Also, if you experience side effects such as drowsiness while taking cetirizine, be careful with activities such as driving or operating machinery. 6
Limitations of current research
Research on the side effects of cetirizine is still insufficient. 6 , 4 Further research is needed, especially on long-term side effects. 6
Future research directions
Further research is needed on long-term side effects of cetirizine and the effects and side effects of cetirizine in specific patient populations. 6 , 4 Also, research is needed on appropriate methods of use to maximize the efficacy of cetirizine and minimize the risk of side effects. 6
Conclusion
Cetirizine is an effective medication for alleviating allergy symptoms, but there is also a risk of side effects. 6 , 4 It is important to follow your doctor's instructions and adhere to the dosage when taking cetirizine. 6 , 4 Also, if you experience side effects such as drowsiness while taking cetirizine, be careful with activities such as driving or operating machinery. 6
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