Acyrax
Acyrax is an antiviral medicine that stops the herpes virus from multiplying and is used to treat recurring cold sores in adults over 18.
Form
tabletti
Strength
400 mg
Active Ingredient
Aciclovir
Manufacturer
Orion Corporation
How to Use
Dosage
One tablet five times a day, about every 4 hours (not at night).
Method
Take the tablet with a glass of water or another drink. Always take the medicine at the same time each day to maintain a steady effect.
Important
No more than five tablets (1000 mg) per day.
Possible Side Effects
COMMON
- •Headache, dizziness
- •Feeling sick or vomiting, diarrhea, stomach pain
- •Itching, skin rash (including rash from sunlight sensitivity)
- •Tiredness and fever
RARE
- •Hives (itchy rash)
- •Hair loss
- •Increased levels of urea and creatinine in the blood (showing kidney function)
- •Increased liver enzyme and bilirubin levels (showing liver function)
- •Difficulty breathing
- •Rapidly spreading hives, swelling of the face, lips, tongue or other body parts, wheezing or difficulty breathing, fainting (signs of a severe allergic reaction)
- •Low red blood cell count (anemia)
- •Low white blood cell count (leukopenia)
- •Low platelet count (thrombocytopenia), which are cells that help blood clot
- •Agitation or confusion
- •Trembling or shaking
- •Unsteady walk, poor coordination, speech problems, hallucinations (seeing or hearing things that aren't real), trouble thinking or understanding, seizures, unusual sleepiness or tiredness, brain problems (encephalopathy), loss of consciousness (coma)
- •Liver inflammation and possibly jaundice (yellowing of skin and eyes)
- •Lower back pain in the kidney area (kidney pain, possibly linked to kidney failure)
Important Warnings
- Do not take if you are allergic to aciclovir, valaciclovir, or any other ingredients in this medicine.
- Talk to your doctor or pharmacist if your immune system is weak (e.g., if you've had a bone marrow transplant or have HIV).
- Talk to your doctor or pharmacist if you have kidney problems.
- Talk to your doctor or pharmacist if you are over 65 years old.
- Contact your doctor if your cold sore is severe, widespread, or gets worse.
Show 2 more warnings
- Cold sores are contagious. To avoid spreading them, do not let others touch the infected area or use your towel. Wash your hands after touching the cold sore and avoid touching other body parts, especially your eyes.
- If you experience signs of a severe allergic reaction (like rapidly spreading rash, swelling of face/lips/tongue, or trouble breathing/fainting), stop taking this medicine and get medical help right away.
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)