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Benadryl in the injectable form is effective in adults and pediatric patients, other than premature infants and neonates, for the following conditions when Benadryl in the oral form is impractical.
For amelioration of allergic reactions to blood or plasma, in anaphylaxis as an adjunct to epinephrine and other standard measures after the acute symptoms have been controlled, and for other uncomplicated allergic conditions of the immediate type when oral therapy is impossible or contraindicated.
For active treatment of motion sickness.
For use in parkinsonism, when oral therapy is impossible or contraindicated, as follows: parkinsonism in the elderly who are unable to tolerate more potent agents; mild cases of parkinsonism in other age groups, and in other cases of parkinsonism in combination with centrally acting anticholinergic agents.
DOSAGE AND ADMINISTRATION
Benadryl in the injectable form is indicated when the oral form is impractical.
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.
DOSAGE SHOULD BE INDIVIDUALIZED ACCORDING TO THE NEEDS AND THE RESPONSE OF THE PATIENT.
Pediatric Patients, other than premature infants and neonates: 5 mg/kg/24 hr or 150 mg/m²/24 hr. Maximum daily dosage is 300 mg. Divide into four doses, administered intravenously at a rate generally not exceeding 25 mg/min, or deep intramuscularly.
Adults: 10 to 50 mg intravenously at a rate generally not exceeding 25 mg/min, or deep intramuscularly, 100 mg if required; maximum daily dosage is 400 mg.
Benadryl in parenteral form is supplied as:
-sterile, pyrogen-free solution containing 50 mg diphenhydramine hydrochloride in each milliliter of solution with 0.1 mg/mL benzethonium chloride as a germicidal agent. Available in 10-mL (NDC 0071-4402-10) Steri-Vials.
-sterile, pyrogen-free solution containing 50 mg diphenhydramine hydrochloride in each milliliter of solution. Available in packages of twenty-five 1 mL (NDC 0071-4259-13) Steri-Vials.
-sterile, pyrogen-free solution containing 50 mg diphenhydramine hydrochloride in a 1-mL disposable syringe (Steri-Dose). Available in packages of ten syringes (NDC 0071-4259-45).
-sterile, pyrogen-free solution containing 50 mg diphenhydramine hydrochloride in a 1-mL ampoule. Available in packages of ten (NDC 0071-4259-03).
Store at controlled room temperature 15°-30°C (59°-86°F). Protect from freezing and light.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Benadryl Injection Information
- Benadryl Injection Drug Interactions Center: diphenhydramine hcl inj
- Benadryl Injection Side Effects Center
- Benadryl Injection Overview including Precautions
- Benadryl Injection FDA Approved Prescribing Information including Dosage
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