Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Antihistamines
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Oral antihistamines are available without a prescription. Common types such as diphenhydramine (for example, Benadryl), chlorpheniramine (for example, Chlor-Trimeton), and loratadine (for example, Claritin) are used to treat allergy symptoms and itching. Look for generic or store brands, which often cost less than name...
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Certain antihistamines such as dimenhydrinate or doxylamine, taken as your doctor advises, may relieve morning sickness. Doxylamine (Unisom SleepTabs) is available over-the-counter. If one of these antihistamines alone does not relieve your morning sickness, you can try taking it with vitamin B6. Talk to your doctor...