Headaches, dry mouth, weight loss, nausea, insomnia, dizziness, sore throat, constipation, infections, abdominal pain, agitation, diarrhea, feelings of a rapidly or forcefully beating heart, muscle pain, anxiety, shakiness, increased sweating, ringing in the ears, loss of appetite, frequent urination, bladder infections, or other urinary problems, weakness, flushing, migraine headaches, joint pain or arthritis, taste changes, hot flashes, drowsiness, memory loss, sinus infections, fever, vomiting, trouble swallowing, muscle twitching, unpleasant sensations, such as burning or tingling, coughing and vaginal bleeding are among the side effects that can occur with generic Budeprion drug.