Table 1.

Demographic details, medication used to manage CCH before enrolment in the study

patients ID	triptans	oxygen	mid analgesics	Verapamil (mg)		Lithium (mg)*		Propranolol (mg)*		Amitriptyline (mg)*		Topiramate (mg)*		Corticosteroids (mg)**
				hd	ld	hd	ld	hd	ld	hd	ld	hd	ld
1	✓	12 l	✓	480	480	X	X	120	80	X	X	200	200	25
2	✓	15 l	✓	480	480	450	X	120	80	?	10	100	100	X
3	✓	15 l	✓	600	480	450	X	120	X	X	X	200	200	X
4	✓	15 l	✓	600	240	X	X	120	X	75	75	100	X	X
5	✓	12 l	✓	720	480	X	X	80	40	X	X	100	X	75
6	✓	12 l	✓	240	240	900	450	240	X	25	25	X	X	10
7	✓	12 l	✓	840	480	X	240	X	X	10	X	100	100	50
8	✓	10 l	✓	480	480	X	X	40	X	X	X	100	100	X
9	✓	12 l	✓	600	X	450	X	80	X	?	X	100	X	50
10	✓	15 l	✓	240	240	450	X	120	X	25	X	X	X	50
11	✓	15 l	✓	480	240	450	450	X	X	X	X	100	100	X
12	✓	15 l	✓	480	480	X	X	120	X	X	X	100	100	50
13	✓	15 l	✓	600	600	X	X	40	X	X	X	200	200	25
14	✓	15 l	✓	600	X	450	X	X	X	?	X	150	X	X
15	✓	12 l	✓	600	480	450	X	X	X	X	X	200	200	X
16	✓	15 l	✓	240	240	450	450	X	X	X	X	100	100	25
17	✓	10 l	✓	720	X	450	X	?	X	X	X	200	200	X

l = litre; hd = highest dosage used; ld = last dosage used before enrolled in the study; mg = milligram; ✓□ = used; X = not used;? = not known; ** no longer than 1 month