Dyven is the trade name and generic name of Valsartan Capsules, the side effects mainly include joint pain, fatigue, diarrhea, dizziness, headache, etc. Impotence may be observed in men during the use of the medication, but it is not clear whether it is related to the drug or not. Valsartan capsules are mainly indicated for the treatment of mild and moderate essential hypertension, adverse drug reactions mainly include dizziness, headache, joint pain, anorexia and vomiting, liver and kidney damage. It is contraindicated in drug allergy, pregnant women, patients with severe renal impairment, and diabetic patients when combining this product with Aliskiren. Impotence may be observed in male patients during drug administration, but there is no evidence of an adverse drug reaction or an effect on fertility. Patients with hypertension need to take medication on time to control their blood pressure, so patients using valsartan capsules are advised to take the medication in strict accordance with the doctor’s instructions, and to seek medical advice if any adverse reactions occur during the use of the medication.