| Cause | Example |
| Substances | Brand name Generic name |
| Neuroleptics | Clopixol Zuclopenthixol Clozaril Clozapine Haldol Haloperidol Largactil Chlorpromazine Mellaril Thioridazine Navane Thiothixene Proxilin Fluphenazine Decanoate Risperdal Risperidone Stelazine Trifluoperazine Sulpiride Zyprexa Olanzapine |
| Anti depressants | Asendin Amoxapine Aventyl Nortryptyline Desyrel Trazodone Effexor Venlafaxine Elavil Amitriptyline Limbitrol Amitriptyline /chlordiazepoxide Ludiomil Maprotiline Luvox Fluvoxamine Norpramin Desipramine Paxil Paroxetine Prozac Fluoxetine Sinequan Doxepin Tofranil Imipramine Triavil Amitriptyline/Perphenazine Wellbutrin Bupropion Zoloft Sertraline |
| Anti depressant and
Anti Obsessional | Anafranil Clomipramine |
| Minor Tranquillisers | Ativan Lorazepam Ambien Zolpidem Buspar Buspirone Halcion Triazolam Noludar Methyprylon Placidyl Ethchlorvynol Valium Diazepam |
| Anti- Convulsants Mood Stabilisers | Depakote Divalproex Sodium Dilantin Phenytoin Klonopin Clonazepam Mysoline Primidone Tegretol Carbamazepine Zarontin Ethosuximide |
| Anti-Parkinsons | Eldepryl Selegiline Larodopa Levodopa Parlodel Bromocriptine Permax Pergolide Sinemet Levodopa/carbidopa |
| Pain killers/narcotics | Arthopan Choline salicylate Ascriptin Buffered asprin Asprin Darvon Propoxyphene Disalcid Salsalate Indocin Indomethacin MS Contin Morphine Orudis Ketoprofen Talwin Pentazocine |
| Antimanic | Lithium Carbonate |
| Street Drugs | Cannabis Cocaine Ecstasy Heroin Ketamine Mescaline Methamphetamine |
| Antibiotics | Floxin Ofloxacin Zovirax Acyclovir |
| Hypertensive medications | Aldomet Methlodopa Capoten Captopril Inderal Propanolol Sectral Acebutolol Tenormin Atenolol |
| Other Drugs | Lioresal Baclofen Ritalin Methlyphenidate Barbituates Atropine |
| Toxins | Heavy metals, Lead Mercury in dentistry Water Seafood Aluminium Manganese fluoride (in water) |
| Radiation | Electromagnetic sources Radon in soil Nuclear plant releases into the environment |
| Organic chemicals | Pesticides Fertilizers |
| |
| Genetically engineered foods | |
| Hormones | Their presence in cattle feed, affecting dairy products |
| Foetal Ultra Sound | Ultrasound causes gas bubbles (cativation) and sound waves, all of which are thought to disrupt neuronal migration in the developing foetal brain |
| Steroids | Acthar Corticotropin Cortef Hydrocortisone Cortone Cortisone Decadron Dexamethasone Metreton Prednisolone |
| Asthma Drugs | Proventil Albuterol |
| Nasal Decongestants | Ephedrine Sudafed Pseudoephedrine |
| Eye drugs | Betagan Levobunolol Timoptic Timolol |
| Gastrointestinal drugs | Tagamet Cimetdine |
| Heart drugs | Lanoxin Digoxin |
| | |
| Herbal remedies and diet supplements | |
| Sleep deprivation | |
| Dehydration | |