Monograph Details
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Gastrointestinal Tract
> Nausea
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BENADRYL INJECTION |
| Manufacturer |
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Pfizer Labs |
| Legal Classification |
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Rx
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| Pharmacological Class |
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Antihistamine. |
| Generic Name |
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Diphenhydramine HCl 50mg/mL; for IV or IM inj. |
| Indications |
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Motion sickness. |
| 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. Nursing mothers. |
| Precautions |
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Asthma. Lower respiratory disorders. Glaucoma. Hyperthyroidism. Hypertension. Cardiovascular disease. GI or urinary obstruction. Children. Pregnancy (Cat.B). |
| 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, gastritis, paradoxical excitement, blood dyscrasias, hypotension. |
| How Supplied |
Vial (10 mL)—1
Amp or syringe (1 mL)—10 |
| Additional Resources |
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• Related Prescribing Note |
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