Conclusion
Benadryl is a prescription and over-the-counter drug that is used to treat rash, hives, and other causes of itching skin. The drug is available in topical and oral form. Like other medications, it has its serious and mild side effects. Contact your healthcare provider if you experience my signs of a side effect when using the drug.
References;
[1] https://www.sleepfoundation.org/excessive-sleepiness
[2] https://www.webmd.com/epilepsy/understanding-seizures-basics
[3] https://www.who.int/news-room/fact-sheets/detail/dementia
[4] https://www.hopkinsmedicine.org/health/conditions-and-diseases/constipation
[5] https://www.healthline.com/health/hazy-vision
[6] https://www.mayoclinic.org/diseases-conditions/anxiety/symptoms-causes/syc-20350961
[7] https://www.mayoclinic.org/diseases-conditions/common-cold/symptoms-causes/syc-20351605