Поради това, интервалът между третитането с такъв продукт и началото на третиране с Previcox трябва да бъде не по- малък от 24 часа.
Pre-treatment with other anti-inflammatory substances may result in additional or increased adverse effects and accordingly a treatment-free period with such drugs should be observed for at least 24 hours before the commencement of treatment with Previcox.