Sometimes when people vape for the first time they can feel quite unwell and, in some cases, they can actually be sick. This is due to the nicotine they're ingesting and is Why Do I Feel Sick After Vaping? Here's What You NEED to Know! What Happens if I Drink Vape Juice? selbyvapes Do You Feel Sick After Vaping? Here's Why Vapor Shop Direct Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department It's proven that vapes contain toxic chemicals, can cause lung damage and are addictive. It's important for young people in NSW to know that every vape is a hit to your health.