Treatments and drugs. Most cases of hiccups go away on their own without medical treatment. If an underlying medical condition is causing your hiccups, treatment of that illness may eliminate the hiccups. The following treatments may be considered for hiccups that have lasted longer than two days.
Poetry that overtly uses the effects of metre, rhyme and form, especially the fixed forms (sonnets, villanelles etc) is known as formal verse.
Phrasing in Poetry. Here's an article about phrasing in poetry, with attention to grammar. My stance, as a writer and reader and editor of poetry, is that in this form of literature the language is fluid. All rules may be broken in pursuit of expression. The catch is that the poem still has to work. If breaking the rules makes the poem less clear and/or less engaging to the reader, that's a flaw.