How many days does betahistine hydrochloride work for dizziness?

Betahistine Hydrochloride is used to treat dizziness by eliminating endolymphatic edema and improving blood flow to the brain. The onset of action of the medication varies from person to person, with some sensitive patients taking half a day to take effect, while others need about 3 days to see results.
Betahistine hydrochloride increases blood flow to the cochlea and anterior base, thus eliminating inner ear vertigo, tinnitus and ear closure, and also increases capillary permeability, promotes the absorption of extracellular fluids, and eliminates endolymphatic hydrops, which can be used to treat dizziness due to Meniere’s disease, and the onset of action time of the drug is related to the elimination of endolymphatic hydrops, which can be as short as half a day and as long as 3 days.
Betahistine hydrochloride has obvious dilating effect on cerebrovascular and cardiovascular, especially on vertebral-basilar arterial system, which can significantly improve the blood flow in the brain, so it can be used to treat dizziness caused by cerebral arteriosclerosis, hypertension and other diseases, and the onset of action of the drug for the treatment of dizziness is related to the degree of improvement of blood flow in the brain, and it can’t be generalized.
This drug is contraindicated in patients who are allergic to betahistine hydrochloride, patients with active gastric ulcers and patients with pheochromocytoma. If you need to use the drug, do so under the supervision of a physician.