Paracetamol/Caffeine Anhydrous/Phenylephrine HCl/Chlorpheniramine Maleate (Gripgo) is a combination drug with Phenylephrine HCl having vasoconstrictive action which can compromise fetal circulation and milk production. It is secreted in milk. Hence Paracetamol/Caffeine Anhydrous/Phenylephrine HCl/Chlorpheniramine Maleate (Gripgo) is not advised to be used during pregnancy and lactation.