You should call your doctor and explain what has happened. There are a few overdose symptoms you should be aware of.
The most important effect of a warfarin (coumadin) overdose is bleeding. This can include obvious bleeding (such as vomiting of blood, nosebleeds, or bright red blood in the stool) or bleeding that is less obvious (such as internal bleeding).
The antidote for a warfarin overdose is vitamin K, which can be given in tablet or injectable form.
- Coumadin Information for Consumers
- Coumadin Information for Healthcare Professionals (includes dosage details)
- Side Effects of Coumadin (detailed)
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