SERC ® is used for reducing the episodes of recurrent vertigo (dizziness) associated with Ménière’s disease. What it does SERC ® is a type of medicine called a histamine-analogue.

SERC® (betahistine dihydrochloride) is indicated for: reducing the episodes of recurrent vertigo associated with Ménière’s disease. Geriatrics (> 65 years of age):

Betahistine belongs to a group of medications used to treat vertigo associated with Ménière's disease. Vertigo is a condition that causes sufferers to have a sensation of rotation or movement of themselves or their surroundings.

2025年1月7日 · Serc - is a medicine used to treat the symptoms of Ménière's disease. Symptoms include: dizziness (vertigo) ringing in the ears (tinnitus). Serc - is an anti-vertigo medication. It is commonly prescribed for balance disorders or to alleviate vertigo symptoms.

Urinary excretion of the label was about 90% complete within 24 hours of administration. Studies with radio- labelled betahistine have demonstrated a plasma half-life of 3.4 hours and a urinary half-life of 3.5 hours for

Betahistine is used to reduce the number of episodes of vertigo associated with Ménière's disease. It is believed to work by decreasing the pressure in the ear. This pressure is believed to contribute to the sense of dizziness, nausea, and ringing in the ears and hearing loss that people with Ménière's disease experience.

90°的偶数倍+α的三角函数与α的三角函数绝对值相同。 也就是“奇余偶同，奇变偶不变”。 将α看做锐角（注意是“看做”），按所得的角的象限，取三角函数的符号。 也就是“象限定号，符号看象限”（或为“奇变偶不变，符号看象限”）。 因为secA=1/sinA，cscA=1/cosA， 所以当度数分别为0°，30°，45°，60°，90°，120°，135°，150°，180°，270º，360º时， 可得sec的值分别为 ∅，2，√2，2√3/3，1,，2√3/3，√2，2，∅. 可得csc的值分别为 1，2√3/3，√2,2，2，∅，-2， …

2007年4月14日 · sec为1/cos 所以sec0度＝1，sec30度＝3分之2倍根号3，sec45度＝根号2，sec90度＝不存在.

2025年2月26日 · Dans quel cas le médicament SERC est-il prescrit ? Ce médicament est un antivertigineux chimiquement proche de l' histamine . Il est utilisé dans le traitement symptomatique de certaines formes de vertiges .

2023年6月2日 · QU’EST-CE QUE SERC 8 mg, comprimé ET DANS QUELS CAS EST-IL UTILISE ? Classe pharmacothérapeutique - code ATC : Ce médicament contient une substance active qui s’appelle la bétahistine. Il appartient à une classe de médicaments appelée anti-vertigineux. Il lutte contre les vertiges. Ce médicament …