Do not use Blistex Cold Sore Cream if you are allergic (hypersensitive) to docosanol or any of the other ingredients in the cream.
Blistex Cold Sore Cream is intended for cutaneous use only. Avoid getting the cream in or close to your eyes as this may cause irritation. If you accidentally get cream in your eyes rinse them thoroughly with plenty of water.
Do not use this product if you have been told you are immunocompromised (if your immune system’s ability to fight infectious diseases is known to be reduced, e.g. by a serious illness such as leukaemia or AIDS or if you may have had an organ transplant). If you are immunocompromised and you develop a cold sore consult your doctor immediately.
Do not apply the cream if the cold sore has already formed a blister or ulcer like appearance.
Children under 12 years should not use Blistex Cold Sore Cream.
It is unlikely that Blistex Cold Sore Cream affects, or is affected by, other medicines since Blistex Cold Sore Cream is intended for cutaneous use only, however do not apply other cold sore medicines whilst using Blistex Cold Sore Cream.
Ask your doctor or pharmacist if you have any questions regarding how Blistex Cold Sore Cream is affected by, or affects, other medicines.
Please tell your doctor if you are taking, or have recently taken, any other medicines, including medicines obtained without a prescription.
Blistex Cold Sore Cream can be used during pregnancy and breast-feeding.
Blistex Cold Sore Cream has no effect on driving or using machines.
Blistex Cold Sore Cream contains propylene glycol which can cause skin irritation.
No serious problem should arise if you have used a large amount of the cream on your skin. No special treatment is necessary.
Like all medicines, Blistex Cold Sore Cream can cause side effects, although not everybody gets them.