Bacitracin zinc overdose
Definition
This poisoning is due to an overdose of bacitracin zinc.
Poisonous Ingredient
- Bacitracin
- Zinc
Where Found
- Some prescription antibiotic eye drops, such as Neosporin Ophthalmic drops
- Some prescription antibiotic eye ointments, such as Neosporin Ophthalmic Ointment
- Some antibiotic sprays, such as Polysporin Spray
- Some antibiotic ointment, such as Neosporin and Polysporin
Note: This list may not be all inclusive.
Symptoms
- Body as a whole o Swelling of lips and face o Sweating o Tightness of chest
- Respiratory o Temporarily stop breathing
- Skin o Rash o Itching
- Heart and blood vessels o Low blood pressure o Heart stops
- Nervous system o Unconsciousness
Note: These reactions are more likely as a result of an allergic reaction rather than a true overdose situation.
Home Treatment
Discontinue the use of the antibiotic. Seek emergency medical care immediately. Call Poison Control for guidance.
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
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
- Treat the allergic reaction with diphenhydramine and prednisone.
- For swallowed poison o Placement of a tube down the nose and into the stomach (a nasogastric tube, or an NG tube) to wash out the stomach (gastric lavage). o Activated charcoal administration. o Endoscopy - the placement of a camera down the throat to see the extent of burns to the esophagus and the stomach. o Give IV fluids. o Admission to the hospital. o Give an antidote. o Treat the symptoms.
- For skin exposure o Irrigation (washing of the skin), perhaps every few hours for several days. o Skin debridement (surgical removal of burned skin). o Admission or transfer to a hospital that specializes in burn care.
Expectations (prognosis)
If the allergic reaction can be controlled, recovery is very likely.
by Levon Ter-Markosyan, D.M.D.
Medical Encyclopedia
All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.