HHT and medication
Drugs that counteract coagulation may sometimes be necessary because of a medical indication like cardiac infarction, thrombosis etc. Aspirin or salicylates, Plavix and anticoagulants (Sintrom, Marcoumar, Heparine) counteract coagulation and may aggravate bleeding of the nose and intestines. The physician should weigh the advantages and disadvantages of anticoagulant treatment carefully.
Paracetamol is a safe product to use for headache and other pains.