Cymbalta is used to treat major depressive disorder and general anxiety disorder. It is also used to treat a chronic pain disorder called fibromyalgia, and to treat pain caused by nerve damage in people with diabetes (diabetic neuropathy).
Caffeine-withdrawal headaches can last up to 48 hours and can be as intense as a migraine headache. Withdrawal symptoms can begin 12 to 24 hours after the last cup of coffee and can last up to 1 week. These symptoms can include lethargy, extreme nervousness, irritability, sweating, headaches and shakiness.
How long does it take to get over caffeine withdrawal? Answer Wiki. In general, it takes anytime from 1 day to 9 days to get over caffeine withdrawal. Not everyone experiences noticeable caffeine withdrawal symptoms, so it's plausible to suspect that the continuum starts at 0 days.