Medical Dictionary Search Engines

Please be patient! It may take up to ONE minute to load all the Engines.
Problems? Please contact our support.


Search For


Specialty Search




Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk Bl-Bz C-Cg Ch-Co Cp-Cz D-Di Dj-Dz E-Ep Eq-Ez F G H-Hf Hg-Hz I-In Io-Iz J K L-Ln Lo-Lz M-Mf Mg-Mz N O P-Pl Pm-Pz Q R S-Sh Si-Sp Sq-Sz T-Tn To-Tz U V W X Y Z 0-9   

Dimenhydrinate overdose

Alternative names

Poisoning from an overdose of dimenhydrinate (antihistamines - oral).

Poisonous Ingredient

  • dimenhydrinate

Where Found

  • Dimetabs
  • Dramamine
Note: This list may not be all inclusive.


  • body as a whole
    • unsteadiness
    • tremor
    • convulsions
  • heart and blood vessels
    • rapid heartbeat
    • low blood pressure
  • gastrointestinal
    • anorexia
    • dry mucous membranes
  • nervous system
    • depression
    • excitation
    • drowsiness
    • nervousness
    • hallucinations
    • disorientation
    • delirium

Before Calling Emergency

Determine the following information:
  • the patient's age, weight, and condition
  • the name of the product (ingredients and strengths if known)
  • the time it was swallowed
  • the amount swallowed

Poison Control, or a local emergency number

They will instruct you if it is necessary to take the patient to the hospital. See Poison Control centers for telephone numbers and addresses. Take the container with you to the emergency room.

What to expect at the emergency room

Some or all of the following procedures may be performed:
  • Induce emesis .
  • Administer activated charcoal.
  • Use gastric lavage .
  • Treat the symptoms.

Expectations (prognosis)

If the patient survives the first 24 hours, survival is likely. Few patients actually die from an antihistamine overdose.

Update Date: 2/12/2004

Cherlin Johnson, M.D., Department of Emergency Medicine, University of Southern California, Los Angeles, CA. Review provided by VeriMed Healthcare Network.

©2009 [Privacy Policy] [Disclaimer]
Last updated: Tue, 06 Jan 2009 00:20:03 GMT