Monograph Details
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Allergic Disorders
> Allergies
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BENADRYL INJECTION |
| Manufacturer |
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Pfizer Labs |
| Legal Classification |
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Rx
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| Generic Name |
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Diphenhydramine HCl 50mg/mL; for IV or IM inj. |
| Also |
• BENADRYL ALLERGY
• BENADRYL ALLERGY CHEWABLES
• BENADRYL ALLERGY LIQUID
• BENADRYL PERFECT MEASURE
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| Indications |
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Allergic disorders where oral form is impractical or contraindicated. Adjunct in anaphylaxis. Allergic reactions to blood or plasma. |
| Children |
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Neonates: not recommended. Others: 5mg/kg per day in 4 divided doses IV or deep IM; max 300mg daily in 4 divided doses. |
| Adults |
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10–50mg IV or deep IM; max 400mg/day. |
| Contraindications |
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Neonates. Premature infants. Acute asthma. Concomitant diphenhydramine products (including topicals). |
| Precautions |
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Asthma and lower respiratory disorders. Glaucoma. Hyperthyroidism. Hypertension. Cardiovascular disease. GI or urinary obstruction. Sodium-restricted diet. Children. Pregnancy (Cat.B in 3rd trimester): not recommended. Nursing mothers. |
| Interactions |
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Potentiates CNS depression with alcohol, other CNS depressants. Potentiates anticholinergic effects with MAOIs. |
| Adverse Reactions |
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Drowsiness, dizziness, anticholinergic effects, excitability in children. |
| How Supplied |
Caps—24, 48
Tabs—24, 48, 100
Dyefree softgels—24
Chewable—24
Allergy Liq—4oz, 8oz
Dye-free Liq—4oz
Pre-filled spoons (5mL)—10
Inj Vial (10mL)—1
Amp (1mL) or syringe (1mL)—10 |
| Additional Resources |
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• Related Prescribing Note |
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