Atunci când simptomele izbucnesc brusc, aceasta se numește recidivă (cunoscută, de asemenea, ca exacerbare sau atac).
1	Atunci	atunci	ADV	Rgp	Degree=Pos	4	mark	_	_
2	când	când	ADV	Rw	PronType=Int,Rel	1	fixed	_	_
3	simptomele	simptom	NOUN	Ncfpry	Case=Acc,Nom|Definite=Def|Gender=Fem|Number=Plur	4	nsubj	_	_
4	izbucnesc	izbucni	VERB	Vmip3p	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	advcl	_	_
5	brusc	brusc	ADV	Rgp	Degree=Pos	4	advmod	_	SpaceAfter=No
6	,	,	PUNCT	COMMA	_	4	punct	_	_
7	aceasta	acesta	PRON	Pd3fsr	Case=Acc,Nom|Gender=Fem|Number=Sing|Person=3|PronType=Dem	9	nsubj	_	_
8	se	sine	PRON	Px3--a--------w	Case=Acc|Person=3|PronType=Prs|Reflex=Yes|Strength=Weak	9	expl:pv	_	_
9	numește	numi	VERB	Vmip3s	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	recidivă	recidivă	NOUN	Ncfsrn	Case=Acc,Nom|Definite=Ind|Gender=Fem|Number=Sing	9	xcomp	_	_
11	(	(	PUNCT	LPAR	_	12	punct	_	SpaceAfter=No
12	cunoscută	cunoscut	ADJ	Afpfsrn	Case=Acc,Nom|Definite=Ind|Degree=Pos|Gender=Fem|Number=Sing	10	appos	_	SpaceAfter=No
13	,	,	PUNCT	COMMA	_	14	punct	_	_
14	de	de	ADP	Spsa	AdpType=Prep|Case=Acc	12	advmod	_	_
15	asemenea	asemenea	ADJ	Afp	Degree=Pos	14	fixed	_	SpaceAfter=No
16	,	,	PUNCT	COMMA	_	14	punct	_	_
17	ca	ca	ADP	Spsa	AdpType=Prep|Case=Acc	18	case	_	_
18	exacerbare	exacerbare	NOUN	Ncfsrn	Case=Acc,Nom|Definite=Ind|Gender=Fem|Number=Sing	12	obl:pmod	_	_
19	sau	sau	CCONJ	Ccssp	Polarity=Pos	20	cc	_	_
20	atac	atac	NOUN	Ncms-n	Definite=Ind|Gender=Masc|Number=Sing	18	conj	_	SpaceAfter=No
21	)	)	PUNCT	RPAR	_	12	punct	_	SpaceAfter=No
22	.	.	PUNCT	PERIOD	_	9	punct	_	_
