![Biology | Free Full-Text | Pathobiology of Second-Generation Antihistamines Related to Sleep in Urticaria Patients Biology | Free Full-Text | Pathobiology of Second-Generation Antihistamines Related to Sleep in Urticaria Patients](https://pub.mdpi-res.com/biology/biology-11-00433/article_deploy/html/images/biology-11-00433-g001.png?1646998615)
Biology | Free Full-Text | Pathobiology of Second-Generation Antihistamines Related to Sleep in Urticaria Patients
H-E-B Nighttime Sleep Aid Diphenhydramine HCI 25 mg Mini-Caplets - Shop Sleep & Snoring Aids at H-E-B
![Amazon.com: RXZELL Sleep Aid, Diphenhydramine HCl 50mg, 220 Softgels - Fall Asleep Faster, Deeper Restful Sleeping, Non Habit-Forming : Health & Household Amazon.com: RXZELL Sleep Aid, Diphenhydramine HCl 50mg, 220 Softgels - Fall Asleep Faster, Deeper Restful Sleeping, Non Habit-Forming : Health & Household](https://m.media-amazon.com/images/I/61HFaqYvqkL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RXZELL Sleep Aid, Diphenhydramine HCl 50mg, 220 Softgels - Fall Asleep Faster, Deeper Restful Sleeping, Non Habit-Forming : Health & Household
![Benadryl shouldn't be available over the counter due to potential side effects, allergists say | CBC News Benadryl shouldn't be available over the counter due to potential side effects, allergists say | CBC News](https://i.cbc.ca/1.5358486.1573682307!/cpImage/httpImage/benadryl-allergists-concerns-20191113.jpg)