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Diphenhydramine is a potent anticholinergic agent and potential deliriant in higher doses. This activity is responsible for the side effects of dry mouth and throat, increased heart rate, pupil dilation, urinary retention, constipation, and, at high doses, hallucinations or delirium.
Benadryl can also be found in a topical form including gels and creams. Benadryl Itch Stopping Cream is a topical cream used to provide temporary itch relief for allergies, hives or even some insect bites. It can be found in the United States and Canada. This topical medication contains 2% of diphenhydramine hydrochloride and 1% of zinc acetate.
Anticholinergic drugs are used to treat a variety of conditions: Dizziness (including vertigo and motion sickness-related symptoms); Extrapyramidal symptoms, a potential side-effect of antipsychotic medications
A faster-than-normal heart rate. Bradycardia. A slower-than-normal heartbeat. ... Valvular heart disease occurs when any of the valves in your heart are damaged. It affects about 2.5% of people in ...
The most efficient way to lower your heart rate is through breathing, says Dr. Wang. “Deep exhalations can decrease your heart rate. Breathing in through the nose for the count of 4, holding it ...
“So you can do things that will briefly lower your heart rate—like deep breathing and meditation—but if you are trying to lower your overall heart rate over a longer period of time, the ...
Considerable overdosage can lead to myocardial infarction (heart attack), serious ventricular arrhythmias, coma, and death. [17] Such a side effect profile is thought to give ethanolamine-class antihistamines a relatively low abuse liability. [citation needed] An antidote that can be used for dimenhydrinate poisoning is physostigmine. [18]
Certain medications and medical conditions may also affect your heart rate. Always be aware of the possible side effects of prescription and over-the-counter medicines, as some may cause your ...