Aciclovir Pfizer
Aciclovir Pfizer is an antiviral medicine that stops viruses from multiplying to treat infections like herpes and chickenpox.
Form
infuusiokonsentraatti, liuosta varten
Strength
25 mg/ml
Active Ingredient
Aciclovir
Manufacturer
Pfizer Oy
How to Use
Dosage
Your doctor or nurse will determine the dose based on the type of infection, your weight, age, and kidney function.
Method
This medicine is always given slowly into a vein as an infusion by a qualified healthcare professional. You will not administer this medicine yourself.
Important
The maximum daily dose will be decided by your doctor based on your individual needs and medical condition.
Possible Side Effects
COMMON
- •Inflammation along the vein used for the infusion.
- •Feeling unwell or sick.
- •Itchy, bumpy rash similar to hives.
- •Skin reaction after exposure to light (photosensitivity).
- •Itchiness.
- •Swelling, redness, and soreness at the injection site.
- •Increased liver enzyme levels (seen in blood tests).
- •Increased blood urea and creatinine levels (seen in blood tests).
RARE
- •Nosebleeds and bruising more easily due to fewer platelets.
- •Reduced energy, weakness, shortness of breath, dizziness, palpitations, and paleness (anemia).
- •Reduced white blood cells (leukopenia), which can make you more prone to infections.
- •Reduced platelets (thrombocytopenia).
- •Sweating.
- •Headache.
- •Dizziness.
- •Diarrhea or stomach pain.
- •Tiredness.
- •Fever.
- •Inflammation at the injection site.
- •Feeling agitated or confused (psychosis).
- •Tremor or shaking.
- •Hallucinations (seeing or hearing things that are not real).
- •Seizures.
- •Unusual tiredness or sleepiness.
- •Unsteady walking and lack of coordination (ataxia).
- •Speech difficulties or hoarseness (dysarthria).
- •Inability to think or reason clearly or concentrate.
- •Unconsciousness (coma).
- •Shortness of breath.
- •Behavioral, speech, and movement disorders.
- •Liver inflammation (hepatitis).
- •Yellowing of the skin and whites of the eyes (jaundice).
- •Kidney problems, where little or no urine is passed (including blood in urine), or pain in the lower back, at the kidneys, or slightly above the hip (kidney pain).
- •Brain damage or brain dysfunction (encephalopathy), which appears as changes in mental state.
- •Thirst.
- •Low blood pressure (may cause dizziness when standing up).
- •Breakdown of red blood cells (hemolysis).
- •Small vessel problems (leukocytoclastic vasculitis).
- •Tingling or numbness.
Important Warnings
- Do not use if you are allergic to aciclovir, valaciclovir, or any other ingredients in this medicine.
- Tell your doctor if you have kidney problems, are over 65 years old, or have a weakened immune system, as your dose may need adjustment.
- If you are pregnant, breastfeeding, or planning to become pregnant, ask your doctor for advice before using this medicine.
- Do not drive or operate machinery if you feel drowsy or tired, as this medicine can affect your concentration and reactions.
- It is very important to drink water regularly during treatment, especially if you are over 65 or have kidney problems, to help reduce side effects.
Use in Elderly Patients
Category A
Suitable for older adults. Reduce the dose and/or increase the dosing interval in severe renal impairment. (updated 4.12.2023)