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 for caffeine withdrawal symptoms to go away? I am currently going through caffeine withdrawal. I have gone for three days without any caffeine and still feel bad. I don't have headaches, I am just fatigued, irritable, foggy headed and unhappy.