ACLOV 800MG

# Acyclovir 800 mg ## SHORT DESCRIPTION Acyclovir 800 mg is an **antiviral medicine** used to treat infections caused by herpes viruses. It is commonly prescribed for **shingles (herpes zoster)** and may also be used for certain **herpes simplex virus (HSV)** infections, depending on the clinical situation. Acyclovir does not eliminate herpes viruses from the body, but it helps reduce viral multiplication, shorten the duration of symptoms and support healing when started appropriately. ## KEY BENEFITS * Helps reduce multiplication of herpes viruses * Used in the treatment of **shingles** * May be used for certain **herpes simplex infections** * Can help shorten the duration and severity of viral symptoms when started early * May reduce the formation of new herpes lesions * Can help speed healing of existing lesions * Available as an oral antiviral treatment ## USES / INDICATIONS Acyclovir 800 mg may be prescribed for: * **Herpes zoster (shingles)** * Certain herpes simplex virus infections * Recurrent genital herpes in selected treatment regimens * Severe or extensive herpes infections when oral treatment is appropriate * Prevention of recurrent herpes infections in selected patients * Other herpesvirus infections when specifically prescribed by a healthcare professional The appropriate dose and duration depend on the type and severity of infection and the patient's kidney function. ## HOW IT WORKS Acyclovir is an **antiviral nucleoside analogue**. After entering an infected cell, acyclovir is converted into its active form, acyclovir triphosphate. The active drug inhibits the **viral DNA polymerase enzyme** and interferes with viral DNA replication. This helps: * Slow viral multiplication * Reduce the development of new lesions * Shorten the duration of symptoms * Promote faster healing of lesions Acyclovir works primarily in virus-infected cells and does **not remove the herpes virus from the body**. ## DOSAGE & ADMINISTRATION The dose of acyclovir depends on the infection being treated. For **herpes zoster**, adults are commonly prescribed: **800 mg five times daily at approximately 4-hour intervals while awake, usually for 7 days.** Other herpes infections have different dosing schedules. * Take the medicine exactly as prescribed. * Start treatment as early as possible after symptoms appear when treating an active infection. * Swallow tablets with water. * It can generally be taken with or without food. * Maintain adequate fluid intake unless your doctor has advised you to restrict fluids. * Complete the prescribed course even if symptoms improve. * Patients with reduced kidney function may require a dose adjustment. ### Missed Dose Take the missed dose when you remember unless it is nearly time for the next dose. Do not take two doses together to make up for a missed dose. **Do not use the 800 mg dose for every herpes infection without medical advice, because different infections require different treatment regimens.** ## SIDE EFFECTS Common side effects may include: * Headache * Nausea * Vomiting * Diarrhea * Abdominal discomfort * Fatigue * Dizziness * Skin rash ### Serious Side Effects Seek medical attention if you develop: * Severe or unusual skin rash * Confusion * Hallucinations * Tremors * Seizures * Severe dizziness * Reduced urine output * Severe kidney-related symptoms * Signs of a serious allergic reaction such as facial swelling or difficulty breathing Neurological and kidney-related adverse effects are more likely in people with significant kidney impairment or when inappropriate doses are used. ## PRECAUTIONS & WARNINGS * Tell your doctor if you have **kidney disease**. * Older adults may be more susceptible to kidney and neurological adverse effects. * Drink sufficient fluids during treatment unless fluid restriction has been prescribed. * The dose may need to be adjusted for reduced kidney function. * Acyclovir does not cure herpes infections or eliminate the virus from the body. * Genital herpes can still be transmitted even when symptoms are absent. * Avoid sexual contact during active genital herpes lesions and follow safer-sex recommendations. * Start treatment as early as medically appropriate for the best effect. * Tell your doctor if you have a weakened immune system. * Seek medical advice if symptoms worsen or do not improve. * Do not use more than the prescribed dose. ## DRUG INTERACTIONS Acyclovir may interact with medicines that affect the kidneys or its elimination. Tell your doctor if you take: * **Probenecid** * Other medicines that can affect kidney function * Certain immunosuppressive medicines * Other antiviral medicines * Any medicine requiring kidney-function monitoring Your doctor may monitor kidney function when acyclovir is used with medicines that can increase the risk of kidney problems. Always inform your doctor or pharmacist about all prescription medicines, OTC medicines, vitamins and herbal supplements you take. ## STORAGE INFORMATION * Store Acyclovir 800 mg according to the manufacturer's instructions. * Keep tablets at room temperature unless the product label states otherwise. * Protect from excessive heat and moisture. * Keep the tablets in their original packaging. * Keep out of reach of children. * Do not use after the expiry date. * Do not use tablets from damaged or improperly stored packaging. ## PRESCRIPTION STATUS **Prescription medicine.** Acyclovir 800 mg should be used under the supervision of a qualified healthcare professional, particularly because dosing depends on the type of herpes infection and kidney function. ## GENUINE MEDICINE ASSURANCE For safe and genuine Acyclovir 800 mg: * Purchase from a licensed and reputable pharmacy. * Check the medicine name and strength. * Verify the manufacturer's details. * Check the batch number and expiry date. * Ensure the packaging and seal are intact. * Do not use tablets from damaged or suspicious packaging. * Purchase prescription medicines only from authorized sources. * Follow the storage instructions on the package. * Consult a pharmacist if you have concerns about product authenticity. ## FAQ ### What is Acyclovir 800 mg used for? Acyclovir 800 mg is commonly used to treat **shingles (herpes zoster)** and may be prescribed for certain herpes simplex infections. ### Is Acyclovir an antibiotic? No. Acyclovir is an **antiviral medicine**. Antibiotics treat bacterial infections, while acyclovir works against certain viruses. ### How does Acyclovir 800 mg work? Acyclovir is converted into an active form inside infected cells and inhibits viral DNA polymerase, which prevents the herpes virus from effectively multiplying. ### Does Acyclovir cure herpes permanently? No. Acyclovir controls viral multiplication and can reduce symptoms and healing time, but it **does not eliminate herpes viruses from the body**. ### Is Acyclovir 800 mg used for shingles? Yes. Acyclovir 800 mg is a commonly used oral treatment for **herpes zoster (shingles)** when prescribed appropriately. ### How often is Acyclovir 800 mg taken for shingles? A commonly used adult regimen for shingles is **800 mg five times daily for 7 days**, but your doctor may adjust treatment based on your individual circumstances, particularly kidney function. ### Should Acyclovir be taken with food? Acyclovir can generally be taken **with or without food**. Take it with sufficient water. ### How much water should I drink while taking Acyclovir? Maintaining adequate hydration is important because acyclovir is eliminated through the kidneys. Drink fluids normally unless your doctor has instructed you to restrict fluid intake. ### What happens if I miss a dose of Acyclovir? Take the missed dose when remembered unless it is nearly time for the next dose. Do not take a double dose. ### Can Acyclovir be used for genital herpes? Yes. Acyclovir is used for genital herpes, including some initial and recurrent infections. However, the dose and duration are different from the typical shingles regimen. ### Can Acyclovir prevent herpes outbreaks? In selected patients with frequent recurrent herpes infections, a healthcare professional may prescribe **suppressive therapy** to reduce the frequency of outbreaks. ### Can Acyclovir prevent transmission of genital herpes? Suppressive antiviral therapy can reduce the risk of transmission in some circumstances, but it **does not completely eliminate transmission risk**. Safer-sex practices remain important. ### Can Acyclovir be taken during pregnancy? Acyclovir may be used during pregnancy when clinically indicated. If you are pregnant, planning pregnancy or become pregnant while taking acyclovir, discuss treatment with your healthcare professional. ### Can Acyclovir be used while breastfeeding? Acyclovir can be used in some breastfeeding situations, but discuss treatment with your doctor so that the benefits and potential risks can be considered. ### Can Acyclovir affect the kidneys? Yes. Kidney problems can occur, particularly with high doses, dehydration or pre-existing kidney disease. Your doctor may adjust the dose according to kidney function. ### Can Acyclovir cause dizziness? Yes. Dizziness can occur. If you experience dizziness or neurological symptoms, avoid driving or operating machinery and consult your healthcare professional if symptoms are significant. ### Can Acyclovir cause nausea? Yes. Nausea, vomiting and gastrointestinal discomfort are possible side effects. ### Can Acyclovir be taken with other medicines? Often yes, but some medicines can increase kidney-related risks or alter acyclovir elimination. Tell your doctor about all medicines and supplements you use. ### How quickly does Acyclovir work? Acyclovir begins acting against viral replication after it is absorbed, but noticeable symptom improvement may take several days. Starting treatment early is generally more beneficial. ### Can I stop Acyclovir when my symptoms improve? Follow the prescribed treatment duration. Do not stop or change the treatment course without discussing it with your healthcare professional. ### What should I do if my shingles symptoms become worse? Contact your doctor if symptoms worsen, new complications develop or you develop severe pain, eye involvement, neurological symptoms or signs of infection. ### Can shingles affect the eyes? Yes. Shingles affecting the face or area around the eye can potentially cause serious eye complications. **Seek urgent medical attention for a shingles rash near the eye, eye pain or vision changes.** ### How should Acyclovir 800 mg be stored? Store it according to the manufacturer's instructions, away from excessive heat and moisture, and keep it out of reach of children. ## MEDICAL DISCLAIMER This information is provided for educational and informational purposes only and does not replace professional medical advice, diagnosis or treatment. **Acyclovir 800 mg is a prescription antiviral medicine and should be used according to the diagnosis and instructions of a qualified healthcare professional.** The appropriate dose varies depending on the infection and kidney function. Adequate hydration is important, and dose adjustment may be necessary in people with kidney impairment. Acyclovir does not eradicate herpes viruses from the body. Seek urgent medical attention for severe allergic reactions, significant neurological symptoms, reduced urine output, or herpes lesions involving the eye. Always follow the specific product label and your healthcare professional's instructions.