List of regular purchasing channels for the original drug of Valacyclovir Hydrochloride Tablets

Valacyclovir hydrochloride tablets are a highly effective anti-herpes virus drug, mainly used to treat viral infections such as herpes zoster, genital herpes and herpes simplex. As a prodrug of acyclovir, it has higher bioavailability and more significant therapeutic effect.

List of formal purchase channels for the original drug of Valacyclovir Hydrochloride Tablets

The original drug of Valacyclovir Hydrochloride Tablets is produced by Japan’s Sawai Pharmaceutical and has not yet been officially launched in China.

Purchase channels

Patients can purchase the original drug with a prescription at regular pharmacies in Japan and other listed countries, or they can purchase it online through a qualified cross-border medical platform after providing complete medical records and a doctor's prescription. The price is about US$62 for 500mg*42 tablets.

How to store

Unopened medicines should be stored in a cool, dry place below 25°C, away from direct sunlight. After opening, keep the bottle cap tightly closed and use it within 6 months. It should be kept with you when traveling and avoid high temperature and humid environments. If you find that the tablets are discolored or deformed, you should stop using them immediately.

Special medication groups for valacyclovir hydrochloride tablets

Patients with renal insufficiency

Patients with mild renal insufficiency (eGFR30-49mL/min) need to reduce the dose by 50%, patients with moderate renal impairment (eGFR10-29mL/min) need to reduce the dose by 75%, and patients with severe renal insufficiency (eGFR<10mL/min) are contraindicated. Hemodialysis patients should be administered the drug immediately after dialysis.

Elderly patients

The starting dose for the elderly is recommended to be 75% of the standard dose. Renal function and mental status need to be closely monitored during medication. Maintain adequate drinking water, more than 2000ml per day, to prevent dehydration. If symptoms such as dizziness and drowsiness occur, you should seek medical treatment in time.

Pregnant and lactating women

Pregnant women should use it with caution and only when the doctor assesses that the benefits outweigh the risks. Lactating women should suspend breastfeeding if they need to take the drug. Women of childbearing age need to take reliable contraceptive measures during medication. The doctor should be fully informed of the pregnancy status before taking the medication.

Good daily care is important in treating herpes infections and preventing recurrences.

Daily care for patients with herpes infection

Skin care

Keep the affected area clean and dry and avoid scratching. When the blisters are not broken, cold compresses can be used to relieve pain. Wear loose, breathable cotton clothing to reduce friction. After the herpes scabs form, let them fall off naturally. Do not force them off.

Preventing transmission

People with genital herpes should avoid sexual contact until they recover. People with chickenpox need to be isolated until all the sores have scabbed over. Avoid contact with susceptible groups such as pregnant women, infants and young children. Wash your hands frequently and do not share personal items such as towels with others.

Strengthen immunity

Maintain a regular schedule and ensure adequate sleep. Eat a balanced diet and supplement vitamin C and zinc in an appropriate amount. Exercise moderately and avoid overexertion. Manage stress and maintain a good attitude.

Some adverse reactions may occur when using valacyclovir hydrochloride tablets. Common side effects include headache, nausea, etc., which are usually mild. Be wary of serious side effects such as renal function damage and neurological symptoms.