Combination of Deep Recurrent Neural Networks and Conditional Random Fields for Extracting Adverse Drug Reactions from User Reviews

Table 3

ADRs extracted from reviews for the drugs that treat high blood pressure.

Group	Adverse drug reactions
All authors	Cough, coughing, dizziness, dizzy, headaches, dry cough, fatigue, tired, headache, weight gain, hair loss, nausea, anxiety, shortness of breath, tiredness, diarrhea, chest pain, depression, joint pain, rash, swelling, very tired, light headed, blurred vision
Gender group “female”	Heart palpitations, hives, gagging, hot flashes, extremely tired, nightmares, chronic cough, cold hands and feet, panic attacks, exhausted, weight loss, blurry vision, heartburn, sleepy, persistent cough, severe headaches, stomach pain, numbness
Age group “45–64”	Bloating, muscle aches, persistent cough, indigestion, stomach pain, post nasal drip, sick, lack of sleep, ringing in my ears, stomach pains, foot cramps, tightness in chest, falling out, severe coughing, faint, nagging cough, no energy
Age group “25–44”	Short-term memory loss, slight weight gain, fast heartbeat, lost sex drive, cramp, unusual tiredness, bad dreams, numbness in my toes, pain in my side, dazed feeling, intense salt cravings, lip to swell, chronic headaches, throat and neck swelled