TL;DR: Comprehensive guide to contraindication checking in pharmacy. Learn systematic approaches to identifying when medications should not be used.
Category X medication. Patient is pregnant. Absolute contraindication. Teratogenic risk.
But the pregnancy was not asked about. The standard screening question was skipped. The prescription was processed.
Contraindications exist for critical safety reasons. Systematic checking ensures they are not missed.
Understanding Contraindications
Absolute Contraindications
Situations where a medication must never be used: risk outweighs any possible benefit, serious or life-threatening harm likely, alternative treatments must be found.
Relative Contraindications
Situations requiring careful consideration: may be used with caution, risk-benefit assessment required, additional monitoring needed.
Categories of Contraindications
Condition-based: Pregnancy and breastfeeding, specific diseases, age-related factors, genetic factors.
Medication-based: Drug interactions, cumulative toxicity, therapeutic duplication.
Allergy-based: Known allergy to medication, known allergy to related substances, known allergy to excipients.
Systematic Contraindication Checking
Pre-Consultation Preparation
Before patient interaction: review patient record, note existing conditions, check current medications, identify known allergies.
Consultation Screening
During consultation: confirm current medical conditions, verify pregnancy status if relevant, check recent changes in health, update records with new information.
Protect Every Patient
Contraindications are not bureaucracy – they are protection against known harms. Every consultation should include appropriate screening.
RxSure consultation workflows include guided screening questions and SmPC integration.
Start your free trial and strengthen contraindication checking.
About this article: This article was prepared by the RxSure editorial team and is informed by publicly available UK healthcare guidance. Source references include GPhC, NICE, and BNF where cited. Content is reviewed periodically to reflect current information. This article is for general informational purposes and should not be relied upon as professional, medical, or regulatory advice. Last updated: 24 August 2026.
