III. Mechanism

  1. See Antihistamine
  2. H1 Receptor Antagonist
  3. Carbinoxamine Maleate is an Ethanolamine First Generation Antihistamine with high Anticholinergic activity

IV. Precautions

  1. Although FDA approved for children, FDA does not recommend routine Antihistamine use age <4 years
    1. Deaths have occurred in younger children related to Anticholinergic Toxicity

V. Dosing: Regular Release Formulation

  1. Adult: 4 to 8 mg orally three to four times daily
  2. Child age 2 to 3 years: 2 mg orally three to four times daily
  3. Child age 3 to 6 years: 2 to 4 mg orally three to four times daily
  4. Child age 2 to 3 years: 4 to 6 mg orally three to four times daily

VI. Adverse Effects

VII. Safety

  1. Pregnancy category C
  2. Avoid in Lactation

IX. References

  1. Olson (2020) Clinical Pharmacology, Medmaster Miami, p. 146-7
  2. Hamilton (2020) Tarascon Pocket Pharmacopoeia

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Related Studies

Cost: Medications

carbinoxamine (on 12/21/2022 at Medicaid.Gov Survey of pharmacy drug pricing)
CARBINOXAMINE MALEATE 4 MG TAB Generic $0.34 each
ryvent (on 9/9/2022 at Medicaid.Gov Survey of pharmacy drug pricing)
RYVENT 6 MG TABLET $6.79 each