1, four drugs due to unsuitable for driving reasons: (1) drowsiness; (2) dizziness; (3) hypoglycemic reactions; (4) allergic reactions. 2, there are at least eight types of drugs may have an impact on driving, including: (1) antihistamines: the most familiar is paracetamol (Kerratan), cough water often seen in the fenugreek (isoprostanes). These drugs have a significant inhibitory effect on the central nervous system, often with side effects such as drowsiness, dizziness, headache weakness, tremors, tinnitus and hallucinations, making the driver inattentive and unresponsive. Most cold medicines contain antihistamines, so pay attention to the ingredients when you buy the medicine. (2) antidepressants, anxiety drugs: Prozac, Celerity, Vistamaxx, Seroquel, Olanzapine. (3) sedative-hypnotic drugs: long-acting sleeping pills, luminal, chloral hydrate, chlorpromazine, Valium and other drugs, often have dizziness, drowsiness, muscle weakness, blurred vision, nystagmus, postural hypotension, reduced attention and sensitivity and other adverse reactions. (4) antipyretic and analgesic drugs: aspirin, sodium salicylate, anandamide, finasteride, aminopyrine, etc. (5) Anti-hypertensive drugs: reserpine, cortisone, eugenol, sodium nitroprusside and methyldopa, etc. Palpitations, angina and postural hypotension, etc., but also headache, dizziness and drowsiness, etc., these reactions will reduce the driver’s attention and reaction sensitivity, increasing the chances of accidents. (6) heart disease medication: anti-angina drugs, arrhythmia. On behalf of: insulin, cardiac pain, cardiac pain, nitroglycerin preparations, etc. These drugs will dilate blood vessels and thus lead to headaches, making it difficult for drivers to concentrate. Secondly, it will also lead to blurred vision, dizziness and weakness due to increased intraocular pressure and intracranial pressure, which affects the driver’s vision. (7) hypoglycemic drugs: euglycemia, Damacell, etc. Among them, after taking antihistamines, antidepressants, anxiety drugs, sedative-hypnotic class, antipyretic and analgesic drugs, etc., easily lead to drowsiness; taking anti-hypertensive drugs may appear dizziness; taking hypoglycemic drugs, there is a possibility of hypoglycemia, etc. (8) some Chinese medicine and various health products: can also cause drowsiness, unresponsiveness and other adverse reactions, motorists should also be careful to take and use.