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.
The more caffeine that you take in, the longer your withdrawal period is likely to be, according to research at Johns Hopkins University published in the October 2004 issue of âPsychopharmacology.â Researchers found most people developed withdrawal symptoms within 12 to 24 hours after stopping caffeine.he more caffeine that you take in, the longer your withdrawal period is likely to be, according to research at Johns Hopkins University published in the October 2004 issue of âPsychopharmacology.â Researchers found most people developed withdrawal symptoms within 12 to 24 hours after stopping caffeine.