Active substance

Guaifenesina + pseudoefedrina

2 products from 2 companies contain this in Spain.

2 without prescriptionsolución oraljarabe

Available without a prescription

INISTON MUCOSIDAD Y CONGESTION30mg pseudoefedrina hidrocloruro/100mg guaifenesinWithout prescriptionjarabe Jntl Consumer Health (Spain) S.L. · Guaifenesina + pseudoefedrina · R05CA10 RESPIDINA EXPECTORANTE JUNIOR6 mg/ml + 20 mg/mlWithout prescriptionsolución oral Laboratorios Cinfa S.A. · Guaifenesina + pseudoefedrina · R05CA10

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.