Valium (Diazepam) canslow or stop breathing, especially if you were recently using another drug that can slow your breathing, alcohol, or opioid medication. Your attendant should get medical attention if you have shallow breathing, if you stop breathing, or if you are hard to wake up. Also, go for emergency medical help if you have allergic reactions due to the use of Valium. An allergic reaction sign may include hives, trouble breathing, swelling in your face, throat, lips, or tongue.

Older adults are more likely to face the sedative effects of Valium. Accidental falls and injuries are common in people who take benzodiazepines. Common side effects of Valium may include feeling tired, muscle weakness, drowsiness, or problems with balance or muscle movement.

Avoid alcohol consumption because it may cause dangerous side effects, and death may occur. Interaction of grapefruit with Valium may lead to unwanted side effects. Avoid using grapefruit products. Avoid driving any vehicle or performing hazardous activities until you know this medicine's impact on your body. Dizziness or drowsiness can cause accidental falls or severe injuries.