Drugs that counteract the effects of a substance in the body called histamine. The body releases histamine, which causes many of the symptoms associated with allergies (sneezing, watery eyes, runny nose), in response to external agents such as pollen.
Words nearby antihistamines
How to use antihistamines in a sentence
If you think antihistamines are making you sleepy, ask your doctor about non-sedating meds to control your symptoms.10 Reasons You’re Exhausted and What to Do About It|DailyBurn|April 25, 2014|DAILY BEAST
Several years ago many such tests were carried out with antihistamines to prevent colds.A Practical Guide to Self-Hypnosis|Melvin Powers