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Medicines guanfacine hydrochlorideQuestion & answer

guanfacine hydrochloride · Medicine question

How frequently was headache reported with guanfacine?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Headache was reported with guanfacine in 27.4% of patients and is classified as very common (at least 1 in 10).

Sources for this answer

Intuniv 4 mg prolonged-release tabletsTakeda UK Ltd · emc · SmPC §4.8 Undesirable effects · Version 4Document updated 12 March 2026

Sources checked 8 November 2026

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guanfacine hydrochloride

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