Brompheniramine overdose
Brompheniramine is a type of medicine called an antihistamine, which helps relieve allergy symptoms. Brompheniramine overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.
This is for information only and not for use in the treatment or management of an actual overdose . DO NOT use it to treat or manage an actual overdose. If you or someone you are with overdoses, call your local emergency number (such as 911), or your local poison center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.
Overdose
An overdose is when you take more than the normal or recommended amount of something, usually a drug. An overdose may result in serious, harmful sym...
Poisonous Ingredient
Brompheniramine and brompheniramine maleate are the poisonous ingredients in this medicine.
Where Found
Brompheniramine may be found in the following brand-name products:
- Bromphen
- Chlorphed
- Dimetane
- Dimetapp
Other medicines may also contain brompheniramine.
Symptoms
Below are symptoms of a brompheniramine overdose in different parts of the body.
BLADDER AND KIDNEYS
- Cannot urinate
- Difficulty urinating
EYES, EARS, NOSE, MOUTH, AND THROAT
-
Blurred vision
Blurred vision
There are many types of eye problems and vision disturbances, such as: HalosBlurred vision (the loss of sharpness of vision and the inability to see ...
- Dilated pupils
- Dry mouth
- Ringing in the ears
HEART AND BLOOD VESSELS
-
Rapid heartbeat
Rapid heartbeat
Palpitations are feelings or sensations that your heart is pounding or racing. They can be felt in your chest, throat, or neck. You may:Have an unpl...
- Increased blood pressure
NERVOUS SYSTEM
-
Agitation
Agitation
Agitation is an unpleasant state of extreme arousal. An agitated person may feel stirred up, excited, tense, confused, or irritable.
-
Coma
Coma
Decreased alertness is a state of reduced awareness. A coma is a state of decreased alertness from which a person cannot be awakened. A long-term co...
-
Convulsions
Convulsions
A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. The term "seizure...
-
Delirium
Delirium
Delirium is sudden severe confusion due to rapid changes in brain function that occur with physical or mental illness.
- Disorientation
-
Drowsiness
Drowsiness
Drowsiness refers to feeling abnormally sleepy during the day. People who are drowsy may fall asleep in inappropriate situations or at inappropriate...
- Fever
- Hallucinations
- Nervousness
- Tremor
- Unsteadiness
- Weakness
SKIN
- Flushed skin
STOMACH AND INTESTINES
- Nausea
- Vomiting
Home Care
Seek medical help right away. DO NOT make the person throw up unless poison control or a health care provider tells you to.
Before Calling Emergency
Have this information ready:
- Person's age, weight, and condition
- The name of the medicine (and strength, if known)
- Time it was swallowed
- The amount swallowed
- If the medicine was prescribed for the person
Poison Control
Your local poison center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.
Local poison center
For a POISON EMERGENCY call:1-800-222-1222ANYWHERE IN THE UNITED STATESThis national hotline number will let you talk to experts in poisoning. This ...
This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.
Take the container with you to the hospital, if possible.
What to Expect at the Emergency Room
Take the container with you to the hospital, if possible.
The health care provider will measure and monitor the person's vital signs, including temperature, pulse, breathing rate, and blood pressure. Symptoms will be treated. The person may receive:
- Activated charcoal
- Blood and urine tests
- Breathing support, including tube through the mouth into the lungs and ventilator (breathing machine)
- Chest x-ray
- EKG (electrocardiogram, or heart tracing)
- Intravenous fluids (through a vein)
- Laxatives
- Medicine to treat symptoms
-
Tube through the mouth into the stomach to empty the stomach (
gastric lavage
)
Gastric lavage
Gastric suction is a procedure to empty the contents of your stomach.
Outlook (Prognosis)
If the person survives the first 24 hours, chances of survival are good. Few people actually die from an antihistamine overdose. With very high doses of antihistamines, serious heart rhythm disturbances may occur. This can cause death.
Keep all medicines in child-proof bottles and out of the reach of children.
References
Kirk MA, Baer AB. Anticholinergics and antihistamines. In: Shannon MW, Borron SW, Burns MJ, eds. Haddad and Winchester's Clinical Management of Poisoning and Drug Overdose . 4th ed. Philadelphia, PA: Elsevier Saunders; 2007:chap 39.
Simons FER, Akdis CA. Histamine and H1 antihistamines. In: Adkinson NF Jr, Bochner BS, Burks AW, et al, eds. Middleton's Allergy: Principles and Practice . 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 94.
Velez LI, Feng S-Y. Anticholinergics. In: Marx JA, Hockberger RS, Walls RM, et al, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice . 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 150.
Review Date: 10/13/2015
Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.