--Pregabalin: Dizziness, somnolence, dry mouth, edema, blurred vision, weight gain, abnormal thinking, constipation, abnormal gait, amnesia, tremor, dysarthria, paresthesia, peripheral edema, asthenia, ataxia, vertigo, fatigue, abnormal coordination, malaise, hypotonia, myasthenia, twitching, neuralgia, neuritis, personality disorder. Duloxetine: Nausea, dry mouth, constipation, decreased appetite, somnolence, increased sweating, agitation, dizziness, fatigue, tremor, sexual dysfunction, urinary hesitation, urinary frequency, dysuria, hot flushes, mydriasis, vomiting, palpitations, orthostatic hypotension, hypertension, tachycardia, postural dizziness, postural hypotension, abnormal orgasm, dyspepsia, diarrhea, pruritus, rash, insomnia, anxiety, yawning, hyponatremia, hepatitis, glaucoma, abnormal bleeding, decreased weight, syncope, taste disturbances, akathisia, restless legs syndrome.