Symptom relief is usually felt within 30 minutes to 1 hour after taking cetirizine, but the exact time it takes to take effect varies depending on individual constitution and the severity of the condition. It is recommended to use it under the guidance of a doctor and carefully observe the body's reaction.
1. **Difference in time to take effect:** For mild urticaria, the medication may take effect relatively quickly; if the symptoms are severe or recurrent, it may take longer to control. The effect is usually more stable after several days of continuous use.
2. **Factors Affecting Efficacy:** Avoid alcohol consumption while taking this medication and ensure adequate rest. If you are taking other medications concurrently, it is best to consult your doctor first to avoid affecting the efficacy.
3. **Precautions:** Some people may experience drowsiness, fatigue, or other reactions. It is recommended to avoid driving or operating machinery after taking the medication for the first time. If symptoms do not improve or worsen after 2-3 days of medication, seek medical attention promptly.
Please follow the dosage instructions when using medication and do not increase or decrease the dosage on your own. In daily life, recording changes in diet and environment can help identify allergens and reduce the frequency of hives flare-ups. If symptoms occur frequently, it is recommended to consult a doctor for examination to obtain a more suitable long-term management plan.
