Analysis of information sources in references of the Wikipedia article "氮䓬斯汀" in Chinese language version.
经过鼻腔给药后，其在全身的生物利用度约为40%。氮䓬斯汀于给药后第一个小时内发挥效力，给药后一至三小时达到效果峰值。起效时间在十二小时左右。鼻腔给药所得结果为二至三小时内达到最大血药浓度。……原化合物的半衰期为二十二小时……
After intranasal administration, its systemic bioavailability is approximately 40%. Azelastine has an onset of action within the first hour of administration and reaches peak activity at 1–3 hours after administration. Duration of activity is about 12 hours. Intranasal administration results in maximal plasma concentrations in 2–3 hours. ... The half-life of the parent compound is 22 hours ...
经过鼻腔给药后，其在全身的生物利用度约为40%。氮䓬斯汀于给药后第一个小时内发挥效力，给药后一至三小时达到效果峰值。起效时间在十二小时左右。鼻腔给药所得结果为二至三小时内达到最大血药浓度。……原化合物的半衰期为二十二小时……
After intranasal administration, its systemic bioavailability is approximately 40%. Azelastine has an onset of action within the first hour of administration and reaches peak activity at 1–3 hours after administration. Duration of activity is about 12 hours. Intranasal administration results in maximal plasma concentrations in 2–3 hours. ... The half-life of the parent compound is 22 hours ...
经鼻用药的H1受体拮抗剂如氮䓬斯汀等对控制鼻腔症状有效果，一日需使用两次。
Intranasal H1 antihistamines such as azelastine are effective for controlling nasal symptoms. They need to be applied twice daily.
经鼻用药的H1受体拮抗剂如氮䓬斯汀等对控制鼻腔症状有效果，一日需使用两次。
Intranasal H1 antihistamines such as azelastine are effective for controlling nasal symptoms. They need to be applied twice daily.
