How do antihistamines relieve sleeplessness?

Stacy Wiegman, PharmD

Pharmacy

An antihistamine is an over-the-counter drug that is generally used to treat allergies; however some of the older style antihistamines, such as diphenhydramine and dimenhydrinate, also make you very sleepy and may ease insomnia. Talk to your doctor before you take any medication for insomnia.

Continue Learning about Nasal Agent

Donna Hill Howes, RN

Decongestants are available as pills, nasal sprays, or drops. They are meant for short-term use only...

Univ. of Nev. School of Medicine, Family Medicine

Before taking oral antihistamines you should know that generally the second generation second genera...

Donna Hill Howes, RN

It is not known if cromolyn is safe or effective for children and adolescents under 18 years of age....

Univ. of Nev. School of Medicine, Family Medicine

The most commonly used oral antihistamines are second generation antihistamines such as loratidine (...

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.