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  2. Diphenhydramine - Wikipedia

    en.wikipedia.org/wiki/Diphenhydramine

    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.

  3. Atropine - Wikipedia

    en.wikipedia.org/wiki/Atropine

    Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the pupils. [15] Atropine degrades slowly, typically wearing off in 7 to 14 days, so it is generally used as a therapeutic mydriatic, whereas tropicamide (a shorter-acting cholinergic antagonist) or phenylephrine (an α-adrenergic agonist) is preferred as an aid to ...

  4. Anticholinergic - Wikipedia

    en.wikipedia.org/wiki/Anticholinergic

    Long-term use may increase the risk of both cognitive and physical decline. [14] [15] It is unclear whether they affect the risk of death generally. [14] However, in older adults they do appear to increase the risk of death. [16] Possible effects of anticholinergics include:

  5. Using Minoxidil for Hair Loss? Know About These ... - AOL

    www.aol.com/using-minoxidil-hair-loss-know...

    Taking minoxidil with the following medications may lower blood pressure and cause changes in your heart rate: Diphenhydramine (Benadryl) ... Medications like diuretics and antidepressants can ...

  6. Benadryl for Dogs? A Vet Explains How Much You Should Give - AOL

    www.aol.com/lifestyle/benadryl-dogs-vet-explains...

    It should be 100% diphenhydramine, not Benadryl-D or any other product. Although Benadryl is safe, giving your dog decongestants like pseudoephedrine can cause: Depression. Weakness. Vomiting ...

  7. Here Are Cardiologist-Approved Ways to Lower Your Resting ...

    www.aol.com/cardiologist-approved-ways-lower...

    So, your heart health has more to do with the conditioning of the heart muscle than the actual heart rate itself, Dr. Weinberg explains. How long does it take to lower your resting heart rate?

  8. Cholinergic blocking drug - Wikipedia

    en.wikipedia.org/wiki/Cholinergic_blocking_drug

    Organs that receive innervations from these systems include exocrine glands, heart, eyes, gastrointestinal tract etc. Antimuscarinic and antinicotinic agents can increase heart rate, inhibit secretions, and gastrointestinal motility. [1] [2] Naturally occurring antimuscarinics were found in alkaloids from Belladonna (Solanaceae) plants. They ...

  9. Muscarinic antagonist - Wikipedia

    en.wikipedia.org/wiki/Muscarinic_antagonist

    Atropine acts on the M2 receptors of the heart and antagonizes the activity of acetylcholine. It causes tachycardia by blocking vagal effects on the sinoatrial node. Acetylcholine hyperpolarizes the sinoatrial node; this is overcome by MRAs, and thus they increase the heart rate.