What is Diphenhydramine Hcl: Uses, Warnings & Interactions

Updated Jan 12, 2021  •  Published Dec 30, 2020

Diphenhydramine Hcl overview

BRAND NAMES:

  • Banaril, BD Simplist diphenhydrAMINE Hydrochloride, PremierPro Rx diphenhydrAMINE HCl, PremierPro Rx diphenhydrAMINE HCl, Truxadryl

Generic Names:

  • Diphenhydramine Hcl

Uses:

  • Treats severe allergic reactions, motion sickness, and symptoms of Parkinson disease.

Therapeutic Classes:

  • Antivertigo, Respiratory Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Diphenhydramine Hcl used for?

Diphenhydramine is a medication used to relive allergy and cold symptoms. Diphenhydramine belongs to a class of drugs called antihistamines. Diphenhydramine is a generic drug also sold under the brand names Benadryl, Dramamine, Nytol, Sominex, Banophen, Diphenhist, Wal-Dryl, Dicopanol, Diphen, Select, Easy, Unisom, and Silphen. In the treatment of cold and allergy symptoms, diphenhydramine use is common.

What form(s) does Diphenhydramine Hcl come in

  • Injectable

What are common Diphenhydramine Hcl doses?

  • Vial 1ML of 50MG/ML

  • Vial 10ML of 50MG/ML

  • Capsule 25MG

  • Capsule 50MG

  • Cup 5ML of 12.5MG/5ML

  • Cup 10ML of 12.5MG/5ML

  • Bottle 24 Capsules

  • Bottle 24 Tablets

  • Bottle 50 Tablets

  • Bottle 100 Capsules

  • Bottle 100 Tablets

  • Bottle 1GM of

  • Bottle 30ML of 6.25MG/ML

  • Bottle 118ML of 12.5MG/5ML

  • Bottle 473ML of 12.5MG/5ML

  • Syringe 1ML of 50MG/ML

  • Package 5ML of 12.5MG/5ML

  • Plas Cont 10ML of 12.5MG/5ML

  • Jar 1GM of

  • Jar 25GM of

  • Jar 100GM of

  • Jar 500GM of

Common Diphenhydramine Hcl prescriptions

  • diphenhydrAMINE HCl
    100 capsules bottle

  • diphenhydrAMINE HCl
    100 tablets bottle

  • diphenhydrAMINE HCl
    1000 capsules bottle

  • diphenhydrAMINE HCl
    1000 tablets bottle

  • diphenhydrAMINE HCl
    24 tablets bottle

  • diphenhydrAMINE HCl
    30ml of 6.25mg/ml bottle

  • diphenhydrAMINE HCl
    50 tablets bottle

  • diphenhydrAMINE HCl
    25mg capsule

  • diphenhydrAMINE HCl
    50mg capsule

  • diphenhydrAMINE HCl
    1ml of 50mg/ml crtrdg-ndl

  • diphenhydrAMINE HCl
    1ml of 50mg/ml syringe

  • diphenhydrAMINE HCl
    10ml of 50mg/ml vial

  • diphenhydrAMINE HCl
    1ml of 50mg/ml vial

How to take Diphenhydramine Hcl

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

  • Injection routeA nurse or other health provider will give you this medicine.

Diphenhydramine Hcl contraindications

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to diphenhydramine, or if you are breastfeeding.

Diphenhydramine Hcl warnings

  • Tell your doctor if you are pregnant, or if you have glaucoma, asthma, thyroid problems, heart disease, high blood pressure, a stomach ulcer, prostate problems, or trouble urinating.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Lightheadedness, dizziness, fainting

Diphenhydramine Hcl interactions

  • Some medicines can affect how this medicine works. Tell your doctor if you are also using an MAO inhibitor (MAOI).

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

Diphenhydramine Hcl side effects

Serious Side Effects

  • Lightheadedness, dizziness, fainting

  • Stomach upset

  • Thick mucus in your nose or throat

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Change in how much or how often you urinate

Less Serious Side Effects

  • Pain, swelling, or a lump under your skin where the shot was given

  • Sleepiness, tiredness

  • Dry nose, mouth, or throat

  • Stomach upset

  • Thick mucus in your nose or throat