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Diphenhydramine Hydrochloride for Injection 50 mg/mL Vial 1 mL x 25/Tray
Diphenhydramine Hydrochloride for Injection 50 mg/mL Vial 1 mL x 25/Tray

Diphenhydramine Injection 50 mg/mL Benadryl Injection Vial 1 mL x 25/Tray (Rx)

by Armas Pharmaceuticals
Year End Sale 32%
$ 129.95
$ 89.00
SKU 72485-0101-25
*Mountainside Medical does not fill personal prescriptions Medical Professional License Required to Unlock Account

How to Order:

✔ Send an email request to: sales@mountainside-medical.com

You will receive instructions on how to create an account along with Rx Ordering Details.

(Note: Acceptable licenses must have Prescriptive Authority in the license issuing state.)

Fast-Acting Antihistamine Injection for Severe Allergic Reactions, Anaphylaxis, and Acute Allergy Emergencies

Get rapid, life-saving allergy relief with Diphenhydramine Injection 50 mg/mL (Benadryl Injection) 1 mL Vial by Armas Pharmaceuticals—the gold-standard solution used by hospitals, emergency rooms, clinics, and healthcare providers to combat severe allergic reactions, anaphylaxis, and acute hypersensitivity crises. This powerful injectable antihistamine provides immediate intervention when oral medications are ineffective or impossible.

Key Features & Top Health Benefits

  • Immediate Allergy & Anaphylaxis Rescue: Delivers potent diphenhydramine (Benadryl) for rapid control of severe allergy symptoms, including anaphylactic shock, urticaria (hives), angioedema, and drug or transfusion reactions.
  • Hospital & EMS Essential: Standard for emergency crash carts, allergy resuscitation kits, and ambulance protocols where IV or IM administration is required.
  • High-Efficacy Injectable Antihistamine: Quickly blocks histamine at the receptor level, stopping itching, rash, swelling, and dangerous airway reactions.
  • Single-Dose, Sterile, Ready-for-Use Vial: Ensures fast, safe administration with zero preparation in critical emergencies.
  • Versatile Route of Administration: Suitable for intravenous (IV) or intramuscular (IM) injection—ideal for patients unable to swallow or with compromised airway.
  • Quality Assured by Armas Pharmaceuticals: Trusted provider of hospital-grade prescription medications to emergency departments nationwide.

Top Uses & Clinical Indications

  • Acute allergic reactions (food, drug, insect sting)
  • Emergency treatment of anaphylaxis
  • Reversal of severe hives, rash, or skin allergies
  • Angioedema with airway compromise
  • Adjunct therapy with epinephrine for anaphylaxis
  • Allergic transfusion reactions
  • Prevention and treatment of motion sickness, nausea, or vomiting (as ordered)

Why Choose Diphenhydramine Injection by Armas Pharmaceuticals?

  • Fastest acting antihistamine for emergencies
  • Immediate access for life-threatening allergic reactions
  • Gold-standard hospital, ambulance, and crash cart allergy solution
  • Accurate dosing with 1 mL (50 mg) sterile vial
  • Compatible with all standard injection protocols

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Instructions for Use

  • Route: Administer by slow intravenous (IV) or deep intramuscular (IM) injection as directed by physician or emergency protocol.
  • Dosage: Standard adult dose is 10–50 mg (1 mL max per site IM/IV). Dosage may vary; follow prescriber or emergency protocol.
  • Monitor: Closely observe patient for relief of allergic symptoms and watch for sedation or other reactions.
  • Always use in a monitored medical setting.

Possible Side Effects

Common:

  • Drowsiness or sedation
  • Dizziness, headache
  • Dry mouth, blurred vision
  • Injection site discomfort

Serious (Seek Medical Help):

  • Low blood pressure
  • Irregular heartbeat
  • Confusion or agitation, especially in elderly
  • Severe allergic reaction (rare, paradoxical)
  • Respiratory depression (with other sedatives)

Use with caution in the elderly, in patients with glaucoma, asthma, or heart conditions. Always monitor after injection.

Precautions

  • Hospital and Professional Use Only: Intended for use by healthcare providers in emergency or clinical settings.
  • Use with caution in patients with asthma, prostatic hypertrophy, glaucoma, or urinary retention.
  • May cause sedation—do not drive or operate heavy machinery after administration.
  • Avoid use with alcohol or other sedatives.
  • Store at room temperature, away from light.

For critical, fast-acting allergy and anaphylaxis treatment, trust Diphenhydramine Injection 50 mg/mL (Benadryl Injection) Vial 1 mL from Armas Pharmaceuticals—the gold-standard hospital and EMS solution for severe allergic reactions, airway compromise, and life-threatening emergencies.

Diphenhydramine Injection 50 mg/mL Benadryl Injection Vial 1 mL x 25/Tray (Rx)
Diphenhydramine Injection 50 mg/mL Benadryl Injection Vial 1 mL x 25/Tray (Rx)
$ 129.95 $ 89.00
🔒 Medical License Required
FAQs for Diphenhydramine Injection (Benadryl): Fast-Acting Antihistamine for Allergic Reactions, Itching & Emergency Use
  • Can Diphenhydramine Be Injected?

    Yes, diphenhydramine can be administered by injection—either intravenously (IV) or intramuscularly (IM)—when rapid antihistamine effects are needed, or when oral intake is not possible.

  • Is Diphenhydramine Injection the Same as Benadryl?

    Yes, injectable diphenhydramine is the same medication as Benadryl, delivering the same antihistamine effects but in a form for faster, more direct relief.

  • What Is a Diphenhydramine Injection Used For?

    Diphenhydramine injection is commonly used for: Severe allergic reactions / anaphylaxis Acute urticaria (hives) or itching Drug-induced extrapyramidal symptoms (dyskinesia) Motion sickness or nausea Premedication for chemotherapy, transfusions, or contrast allergy prevention Adjunct in insomnia or sedation (hospital setting)

  • How to Give a Diphenhydramine Injection?

    Healthcare professionals administer diphenhydramine by IV or IM injection. IV should be given slowly (25 mg/min) to avoid side effects. IM injection is given deep into a large muscle (thigh, gluteal).

  • Where Do You Inject Diphenhydramine?

    IM: Upper outer quadrant of the gluteal muscle, or deltoid. IV: Directly into a vein after proper dilution and slow injection.

  • How Much Diphenhydramine Injection Can You Get?

    Adults: 10–50 mg per dose, every 4–6 hours; max 400 mg/day. Children (over 12 years): Similar to adult dosing; always follow doctor’s advice. Never self-inject—always use under medical supervision.

  • How Long Does a Diphenhydramine Injection Last?

    Effects generally last 4–6 hours. Symptom relief is rapid and can be felt within minutes of administration.

  • What Is the Onset of Action of Diphenhydramine Injection?

    Onset is typically within 2–10 minutes IV, or 20–30 minutes IM. Injected diphenhydramine works much faster than oral tablets.

  • Does Benadryl Injection Make You Sleepy?

    Yes. Sedation or drowsiness is a common side effect, as with all first-generation antihistamines.

  • Can Injectable Diphenhydramine Be Given Orally?

    No. Injectable form is not intended for oral use—**dosage and safety may differ. Only use as prescribed and administered by a healthcare professional.

  • What Is 1% Diphenhydramine Injection?

    This refers to the concentration: 1% solution is 10 mg/mL. The most common forms are 1% or 50 mg/mL for hospital and emergency use.

  • Can You Get Antihistamine Injections?

    Yes. Diphenhydramine is the most widely used injectable antihistamine for emergencies, chemotherapy premedication, and acute allergic reactions.

  • Who Should Avoid Using Diphenhydramine?

    Children under 2 years old Those with severe hypertension, narrow-angle glaucoma, asthma, urinary retention, or enlarged prostate Pregnant or breastfeeding women (consult a doctor) Patients taking MAO inhibitors or other sedatives

  • Why Do They Give You Benadryl Before Chemo?

    Benadryl (diphenhydramine) is given to prevent allergic reactions to chemotherapy agents or to reduce nausea/symptoms related to chemo drugs and infusions.

  • Is Diphenhydramine the Same as Cortisone?

    No. Diphenhydramine is an antihistamine; cortisone is a corticosteroid. They are different drug classes but can be used together for severe allergic reactions.

  • What Are the Side Effects of Diphenhydramine Injection?

    Common risks include: Drowsiness, sedation, dizziness Dry mouth, blurred vision, urinary retention Nausea, headache, hypotension Allergic reaction (rare), confusion (elderly)

  • How Long Does a Benadryl Injection Last?

    Coverage is typically 4–6 hours. Repeat doses may be given if needed (per doctor’s direction).

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