How can you take promethazine and codeine syrup after it turns to crystal?

If promethazine and codeine syrup has crystallized, it's best not to consume it. Crystallization can indicate that the syrup has degraded or that the active ingredients are no longer stable or effective. To ensure safety and efficacy, consult a healthcare professional for advice on whether to discard the product or if there's a safe way to use it. Always prioritize safety and follow medical guidance when dealing with prescription medications.