![](/img/logo/vendor/harvard-health-logo-long.png)
Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Insomnia
Insomnia can also be a symptom of withdrawal from certain medicines. This occurs when the medicine is discontinued, if your brain has adapted to a sedating or hormonal medicine. Please review the following list of medicines that can cause your brain to adjust its chemistry, resulting in insomnia for a period of time after the medicine is stopped:
anxiety medicines
antidepressant medicines
narcotics
estrogen.
Have you recently discontinued any medications from the categories above?
Related documents
Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a health professional. Use of this content is subject to specific terms of use & medical disclaimers.