After taking amytriptiline for 1 month, i have been havingconstant headache that affects my eyes, & feeling very weak at times. withdrawal symptoms?

See you doctor asap: Seek immediate medical attention if any of these rare but very serious side effects occur: black stools, vomit that looks like coffee grounds, severe dizziness, fast/irregular heartbeat, fainting, seizures. This medication may rarely cause a serious condition called neuroleptic malignant syndrome (nms). Seek immediate medical attention if you develop the following: unexplained fever, muscle stiff.