Below are a series of recommendations outlined by Dr. Sergey Motov and Dr. David Lyness. 
IV Ketorolac 10-15 mg or IV Diclofenac 75 mg or IV Metimazole
IV Acetaminophen 1g over 15 minutes
IV Lidocaine 1.5 mg/kg of 2% over 10-15 minutes
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Acetaminophen 1g over 15 minutes
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Ketorolac 10-15 mg or Ibuprofen 400 mg PO or IV Diclofenac 75 mg or IV Metimazole 1g
Trigger point injection 10 ml 0.5% Bupivacaine or 20 ml of 1% Lidocaine
IV Acetaminophen 1g over 15 minutes
IV Lidocaine 1.5 mg/kg of 2% over 10-15 minutes
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Lidocaine 1.5 mg/kg of 2% over 10-15 minutes, + continuous infusion at 1.5-2.5 mg/kg/hour
IV Dexmedetomidine 02.-0.7 mcg/kg/hour drip
IV Clonidine 0.3-2 mcg/kg/hour drip
IV Metoclopramide 10 mg (slow drip 10-15 minutes) or IV Prochlorperazine 10 mg (slow infusion)
With IV Diphenhydramine 25-50 mg or IV Chlorpromazine 12.5 mg (slow infusion in 500 ml over 30 min - 1 hour)
SQ Sumatriptan 6 mg (within 1 hour of onset, 12 mg 1 hour later)
IV Ketorolac 10-15 mg or IV Diclofenac 75 mg or IV Metimazole 1 g
US Guided nerve block, Paracervical trigger point injections with 2% Lidocaine or 0.5% Bupivacaine
IV Haloperidol 2.5 mg, IV Droperidol 2-5 mg (slow infusion over 10 min)
IV Propofol (intractable migraine) 10 mg IVP q5 minutes
Refractory cases - Ketamine 0.2-0.3 mg/kg short infusion
US guided nerve block
IV Ketorolac 10-15 mg or IV Diclofenac 75 mg or IV Metimazole 1 g
IV Acetaminophen 1g over 15 minutes
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IV Lidocaine 1.5 mg/kg of 2% over 10-15 minutes, + continuous infusion at 1.5-2.5 mg/kg/hour
IV Dexmedetomidine 02.-0.3 mcg/kg/hour IV infusion
Gabapentin (not included in Motov/Lyness<unk> 
Day 1: 300mg PO qDay
Day 2: 300mg PO q12hr
Day 3: 300mg PO q8hr
Day 1: 300mg PO qDay
Day 2: 300mg PO q12hr
Day 3: 300mg PO q8hr
IV Ketorolac 10-15 mg or IV Diclofenac 75 mg or IV Metimazole 1 g
IV Acetaminophen 1g over 15 minutes
IV Lidocaine 1.5 mg/kg of 2% over 10-15 minutes
IN Desmopressin 40 mcg once as adjunct to NSAID’s
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour
IN Ketamine 1 mg/kg (no more than 1 ml per nostril)
IV Ketamine 0.3 mg/kg over 10 minutes, + IV drip at 0.15 mg/kg/hour and SQ infusion at 0.15-0.25 mg/kg/hour
IV/IM Haloperidol or Droperidol 5-10 mg
IV Dexmedetomidine 02.-0.3 mcg/kg/hour continuous infusion
Opioid free regimens
General psychiatric approach
Opioids
Antipsychotics
Benzodiazepines
High dose insulin therapy
Proton-pump inhibitor
ICU sedation