Common injested posions

Acetaminophen

No initial signs or symptoms; later nausea, vomiting, and delayed jaundice

Acids and alkalis

Burns on lips; burning in mouth, throat, and abdomen; vomiting

Antiarrhythmics

Bradycardia, hypotension, syncope, decreased consciousness, respiratory depression

Antidepressants (SSRIs)

Tachycardia, hypertension, nausea, tremors

Antidiarrheals

Opioid-like high in large amounts; cardiac side effects; constipation

Antihistamines/cold meds

Hyperactivity or drowsiness, rapid pulse, flushed skin, dilated pupils

Antipsychotics

Drowsiness, coma, tachycardia

Aspirin

Delayed symptoms; ringing in ears, deep/rapid breathing, bruising

Food contamination

Abdominal pain, nausea, vomiting, diarrhea, sometimes fever

Ibuprofen/NSAIDs

Upset stomach, nausea, vomiting, drowsiness, abdominal pain, GI bleeding

Insecticides

Slow pulse, excessive salivation/sweating, nausea, vomiting, diarrhea, breathing difficulty, constricted pupils

Petroleum products

Odor on breath/clothes/vomit; coughing and breathing difficulty if aspirated

Plants

Range of symptoms from none to nausea/vomiting to cardiac arrest