Poisons
- Acetaminophen and codeine overdose
- Acetaminophen overdose
- Acetomorphine overdose
- Acetone poisoning
- Acetylsalicylic acid overdose
- Acid soldering flux poisoning
- Adapin overdose
- Adepril overdose
- Adrenergic bronchodilator overdose
- Adumbran overdose
- Advil overdose
- Aftershave poisoning
- Aliseum overdose
- Allocar overdose
- Alocasia plant poisoning
- Aloe
- Alphamul overdose
- Alupent
- Alupram overdose
- Amalox overdose
- American nightshade poisoning
- Aminophylline overdose
- Amitriptyline and perphenazine overdose
- Amitriptyline hydrochloride overdose
- Ammonia poisoning
- Ammonium hydroxide poisoning
- Amphetamine intoxication
- Angel dust overdose
- Angel wings plant poisoning
- Angel's trumpet
- Anhydrous Benedict's reagent poisoning
- Antacids overdose
- Anti-rust product poisoning
- Anticoagulant rodenticides poisoning
- Antidiarrheal drug overdose
- Antifreeze poisoning
- Antiseptic mouth rinse overdose
- Apis venenum purum
- Apis venenum purum poisoning
- Apis virus poisoning
- Apitoxin
- Apitoxin poisoning
- Aqueous - ammonia
- Arisaema triphyllum poisoning
- Asphalt
- Asphalt cement poisoning
- Aspirin overdose
- Atarax overdose
- Atensine overdose
- Atropine with diphenoxylate overdose
- Automatic dishwasher soap poisoning
- Axid overdose
- Azo 22 overdose