tailieunhanh - Chapter 015. Headache (Part 12)

Table 15-7 Preventive Treatments in Migrainea Drug Dose Selected Side Effects Pizotifenb mg qd –2 Weight gain Drowsiness Beta blocker Propranolol 40–120 mg bid Reduced energy Tiredness Postural symptoms Contraindicated in asthma Tricyclics Amitriptyline 10–75 mg at night Drowsiness Dothiepin 25–75 mg at night Nortriptyline 25–75 mg at night Note: Some patients may only need a total dose of 10 mg, although generally 1– mg/kg body weight is required Anticonvulsants Topiramate mg/d 25–200 Paresthesias Cognitive symptoms Weight loss Glaucoma Caution with nephrolithiasis Valproate 400– 600 mg bid Drowsiness Weight gain Tremor Hair loss Fetal abnormalities Hematologic or liver abnormalities Gabapentin 900– 3600 mg qd Dizziness Sedation Serotonergic drugs Methysergide qd 1–4 mg Drowsiness Leg cramps Hair loss . | Chapter 015. Headache Part 12 Table 15-7 Preventive Treatments in Migraine Drug Dose Selected Side Effects Pizotifei mg qd Weight gain Drowsiness Beta blocker Propranolol 40-120 mg bid Reduced energy Tiredness Postural symptoms Contraindicated in asthma Tricyclics Amitriptyline 10-75 mg at night Drowsiness Dothiepin 25-75 mg at night Nortriptyline 25-75 mg at night Note Some patients may only need a total dose of 10 mg although generally mg kg body weight is required Anticonvulsants Topiramate 25-200 mg d Paresthesias Cognitive symptoms Weight loss Glaucoma Caution with nephrolithiasis Valproate 400- 600 mg bid Drowsiness Weight gain .