Important safety information including dosage, side effects, and precautions of Xofluza.
Dosage & Administration
For flu prevention:
・Adults weighing less than 80 kg should take 2 tablets (40 mg) at once as a single dose.
・Adults weighing 80 kg or more should take 4 tablets (80 mg) at once as a single dose.
If you accidentally take more than the prescribed dose, consult your doctor or pharmacist immediately.
Side Effects
The most commonly reported side effects include diarrhea and nausea. If any of these symptoms occur, consult with your doctor or pharmacist.
Serious Side Effects
If you develop any of the serious side effects listed below, discontinue use and visit a medical facility immediately:
・Facial pallor, breathing difficulty, itch [shock, anaphylaxis]
・Breaking out in a run, wandering [abnormal behavior]
・Stomachache, diarrhea, bloody stool [ischemic colitis]
・Bloody stool, nasal bleeding, bloody urine [bleeding]
Consult with your doctor or pharmacist if you notice any symptoms of concern other than those listed above.
Precautions
・Do not take this medication if you have liver dysfunction, are pregnant or breastfeeding, and do not give to children under 1 year old.
・Keep out of reach of children. Store in a cool, dry place, away from direct sunlight, heat, and moisture.
Approval status in Japan
・「アレルギー性鼻炎、蕁麻疹、皮膚疾患（湿疹・皮膚炎、皮膚そう痒症）に伴うそう痒」を効能として承認されています。
※本診療科目で処方する医薬品は、医薬品副作用被害救済制度の対象外となります。
Availability of approved medicines that have the same active ingredients in Japan
・同じ有効成分を有し「アレルギー性鼻炎、蕁麻疹、皮膚疾患（湿疹・皮膚炎、皮膚そう痒症）に伴うそう痒」を効能として承認されている内服薬はありません。
Means of acquisition
・提携クリニックの医師が、国内医薬品販売代理店経由で購入しています。
Information on safety and approval in other countries
・諸外国で重篤な安全性情報の報告はありません。