| Toxicity | Example situation | Antidote |
| Magnesium toxicity, | e.g. in a woman who has preeclampsia who is being treated with magnesium who becomes apnea and areflexia. | Calcium e.g. Calcium gluconate (can be given via peripheral IV). Calcium chloride needs a central line. |
| Acetaminophen | e.g. in tylenol overdose | N-acetylcysteine |
| Opioid toxicity | Naloxone | |
| Benzodiazepine toxicity | Flumazenil | |
| Serotonin Syndrome | Cyproheptadine |