You should not use Aspir 81 if you have a bleeding disorder such as hemophilia, a recent history of stomach or intestinal bleeding, or if you are allergic to an NSAID (non-steroidal anti-inflammatory drug).
Aspir 81 can cause Reye's syndrome, a serious and sometimes fatal condition in children.
Before taking this medicine
Do not give  Aspir 81 to a child or teenager with a fever, flu symptoms, or chickenpox. Aspir 81 can cause Reye's syndrome, a serious and sometimes fatal condition in children.
You should not use Aspir 81 if you are allergic to it, or if you have:
a recent history of stomach or intestinal bleeding;
a bleeding disorder such as hemophilia; or
if you have ever had an asthma attack or severe allergic reaction after taking Aspir 81 or an NSAID (non-steroidal anti-inflammatory drug).
Tell your doctor if you have ever had:
asthma or seasonal allergies;
stomach ulcers;
liver disease;
kidney disease;
a bleeding or blood clotting disorder;
gout; or
heart disease, high blood pressure, or congestive heart failure.
Taking Aspir 81 during late pregnancy may cause bleeding in the mother or the baby during delivery. Tell your doctor if you are pregnant or plan to become pregnant.
You should not breastfeed while using this medicine.
