Topin (Valsartan Capsules) can be used to treat high blood pressure, and adverse reactions such as headache and dizziness may occur after taking it. The main ingredient of Topin (Valsartan Capsules) is valsartan, an angiotensin II receptor antagonist, which is mainly used for the treatment of mild and moderate essential hypertension. Adverse reactions such as dizziness, headache, viral infection, upper respiratory tract infection, diarrhea, fatigue, and vertigo may occur after taking the drug. It is contraindicated in people who are allergic to Topin (Valsartan Capsules), and there is no experience with the use of this drug in patients with severe renal failure (creatinine clearance less than 10 mL/min). The drug is contraindicated in women during pregnancy and breastfeeding. It is recommended to use Topin (Valsartan Capsules) under the guidance of a doctor, not blindly self-medication.