Step 4: Read and complete the decision guide to learn more about your symptoms.
All kinds of drugs and substances can cause anxiety symptoms. The most common one is caffeine. So can cocaine and other stimulants, and hallucinogens like LSD.
Anxiety can come as a result of withdrawing from alcohol or some anti-anxiety drugs.
Please tell us whether there's been any change in your pattern of using alcohol or drugs.
Have you begun to drink more or less alcohol or changed the way you use drugs?