Joylax Tablet (Acyclovir)

Adult administration

For the treatment of herpes simplex virus infections: Administer Acyclovir 200 mg orally five times a day at intervals of 4 hours for 5 days; for severe initial infections, treatment may be extended. In cases of severely immunocompromised patients or those with gastrointestinal absorption issues, the dose may be increased to 400 mg per administration or changed to intravenous administration. For prevention of herpes simplex infections (in immunocompetent patients): Administer 200 mg orally four times a day.

Child administration

Ages 2 and above: Administer according to adult dosing. Under 2 years: Administer half of the adult dose. For the treatment of chickenpox in children over 2: Administer 20 mg per kg of weight (maximum 800 mg per dose) four times a day for 5 days.

This medication should not be used by individuals who are allergic to this drug or any of its components. Patients with impaired kidney function should use this medication with special caution. Reduced kidney function may lead to increased adverse reactions in the central nervous system. Patients with liver dysfunction should also be careful in using this medication as it may worsen liver function. In young children or infants, it should only be used minimally when absolutely necessary. Elderly individuals may also experience a higher risk of side effects due to decreased kidney function. While using this drug, severe allergic reactions or shock may occur infrequently, therefore if symptoms such as low blood pressure, difficulty breathing, or tightness in the chest occur, use should be discontinued immediately, and medical treatment should be sought. Skin reactions such as rashes, fever, blisters, and hives may occur, and if these symptoms appear, the medication should be stopped and a doctor consulted. Severe skin conditions such as Stevens-Johnson syndrome or toxic epidermal necrolysis may occur rarely. It may affect the central nervous system, leading to consciousness disorders, confusion, hallucinations, seizures, drowsiness, and anxiety, especially more frequently in the elderly or individuals with weakened kidney function. Kidney issues may be indicated by symptoms such as renal failure or hematuria, proteinuria. Hematological issues such as leukopenia, anemia, and bleeding may rarely occur. Hepatitis, liver dysfunction, and jaundice may present, so liver health must be closely monitored. Gastric symptoms like gastritis, nausea, vomiting, and diarrhea may occur, and if discomfort persists, consulting a doctor is advised. Systemic symptoms like fever, muscle weakness, and headaches may appear. Muscle pain or joint pain may occur. There may be irregular heartbeats or changes in blood pressure, so caution is advised. Urinary disturbances like difficulty urinating or urinary obstruction have been reported rarely. If symptoms do not improve or worsen, it may be necessary to switch to other treatments. Treatment is most effective when started early in the appearance of symptoms, especially in the case of shingles or chickenpox, it should be administered within a certain period after symptom onset. Patients with weakened immune systems may need to consider alternative treatments, such as intravenous injections. While taking this medication, it is important to maintain adequate hydration, especially during high doses to prevent dehydration. Caution is advised when engaging in hazardous activities such as driving or operating machinery during the course of treatment, particularly for those with reduced kidney function who may experience more pronounced consciousness disorders. Drug interactions may occur when used with other medications, particularly those affecting the kidneys, so it is advisable to consult a doctor or pharmacist before combining. Pregnant women or those who may become pregnant should use this drug cautiously, and breastfeeding mothers should ideally discontinue nursing during treatment. Children and infants should only use this drug minimally when absolutely necessary, and elderly patients require adjustment in dosage and intervals due to the increased risk of side effects.

Serious side effects

Anaphylactic shock, anaphylactic-like reactions, urticaria, severe swelling (edema), tightness in the chest, difficulty breathing, cold sweat, pallor, severe allergic reactions, severe skin reactions (Stevens-Johnson syndrome, toxic epidermal necrolysis), jaundice, liver issues, sudden and very severe headaches, thunderclap headaches, seizures, confusion, visual disturbances, paralysis, severe neurological symptoms, significantly decreased urination, systemic symptoms

Mild side effects

• Photosensitivity reactions
• fixed drug eruptions
• rashes
• fever
• blisters
• hives-like erythema
• alopecia
• erythema multiforme
• consciousness disorders
• disorientation

This medication is sensitive to light, so it should be stored in a container that does not allow light to enter. Additionally, it is important to maintain a temperature between 1 degrees to 30 degrees Celsius during storage to ensure the medication's efficacy is preserved.

Appearance

Light blue round tablet

Package unit

30 tablets/bottle, 100 tablets/bottle