Antiviral drug valacyclovir hydrochloride tablets new price in 2025

Valacyclovir hydrochloride tablets are a broad-spectrum antiviral drug suitable for the treatment of herpes simplex, including initial and recurrent oral herpes, genital herpes, prevention of herpes simplex virus infection in hematopoietic stem cell transplant patients, and long-term suppressive treatment of recurrence of herpes zoster, chickenpox, and genital herpes.

The new price of the antiviral drug valacyclovir hydrochloride tablets in 2025

Valacyclovir hydrochloride tablets are not currently on the market in China. The price of the drug will be adjusted in 2025. Patients need to know the latest price information.

Specifications and Prices

The original drug produced by Japan's Sawei Pharmaceuticals is 500mg*42 tablets/box. The latest price in 2025 is about US$56. The price is for reference only.

Why are original drugs expensive

The research and development costs of original drugs are high, and it usually takes a long time and huge investment from research and development to launch. The production process is more complex and the quality control standards are stricter. The clinical research data is more complete, and the efficacy and safety are more guaranteed. There is a lack of market competition during the patent protection period and the price is relatively high.

How to take valacyclovir hydrochloride tablets

Standard medication regimen

Treatment of herpes zoster: Adults take 1000 mg each time, 3 times a day, for 7 days. Herpes simplex: 500mg each time, 2 times a day. Preventive medication: 500mg each time, 2 times a day. The tablet should be swallowed whole, and it is recommended to take it after meals to reduce gastrointestinal reactions.

Usage for special groups

Patients with renal insufficiency need to adjust the dose: if the creatinine clearance is 30-49mL/min, reduce the dose by 50%, and if the creatinine clearance is 10-29mL/min, reduce the dose by 75%. Hemodialysis patients should be administered the drug after dialysis. Renal function and mental status should be closely monitored when taking medication in the elderly.

Handling of missed doses

If you miss a dose, you should take it as soon as possible. If it is close to the time for the next dose, skip this time and continue taking it as originally planned. Do not double the dose to avoid increasing the risk of adverse reactions.

Precautions for valacyclovir hydrochloride tablets

Adverse reaction monitoring

Common adverse reactions include headache, nausea, etc., which are usually mild. Serious adverse reactions such as renal function damage and neurological symptoms are rare but require vigilance. During the medication period, you should maintain adequate drinking water, more than 2000ml per day.

Drug interactions

Combined use with probenecid may increase blood concentration, and combined use with nephrotoxic drugs may aggravate renal damage. Concomitant use with theophylline drugs may increase neurotoxicity. Please inform your doctor of all drugs you are taking before use.

Special Precautions

Pregnant and lactating women should use with caution. Patients with low immune function need to be closely monitored. Avoid excessive sun exposure during treatment. If symptoms such as rash or decreased urine output occur, seek medical attention immediately.

During treatment, liver and kidney function, blood routine and other indicators should be reviewed regularly. Patients with herpes zoster are recommended to be reviewed one week after the end of treatment, and patients on long-term suppressive therapy should be reviewed every 3-6 months.