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Prescribing Guidelines and Formulary

These pages provide prescribers, pharmacists and other healthcare professionals with sound up-to-date information about the use of medicines.

Link to Inform (Powys Formulary)
Link to BNF and BNF for Children App
Link  to BNF Online
Link to Drug Monitoring (Specialist Pharmacy Service [SPS])

Link to BNF:  Anaesthesia (General)

Anaesthesia Adjuvants - Neuromuscular Blockade, Neuromuscular Blockade Reversal, Peri-operative Analgesia, Peri-operative Sedation

Malignant Hypertheria


Link to BNF: Anaesthesia (Local)


Link to BNF:  Blood

Link to BNF:  Nutrition

This section includes:

Blood and Blood Forming Organs:

Anaemias - Hypoplastic, Maemolytic and Renal Anaemias, Iron Deficiency Anaemia, Megalobastic Anaemia

Iron Overload

Neutropenia and Stem Cell Mobilisation - Neutropenia, Stem Cell Mobilisation

Platelet Disorders - Essential Thrombocythaemia, Thrombocytopenias


Nutrition and Metabolic Disorders:
Fluid and Electrolyte - Calcium Imbalance, Low Blood Volume, Magnesium Imbalance, Phosphate Imbalance, Potassium Imbalance
Metabolic Disorders - Acute Porphyrias, Carnitine Deficiency, Cystinosis, Fabry's Disease, Gaucher's Disease, Homocystinuria, Hypophosphatasia, Mucpolysaccharidosis, Niemann-Pick Type Disease, Pompe Disease, Tyrosinaemia Type i, Urea Cycle Disorders, Wilson's Disease
Mineral and Trace Elements Deficiencies - Selenium Deficiency, Zinc Deficiency
Nutrition (Intravenous)
Nutrition (Oral) - Special Diets
Vitamin Deficiency - Neural Tube Defects
Link to:  PrescQIPP Bulletin 261 - Oral Nutritional Supplements

Link to BNF:  Cardiovascular System

This section covers:


Bleeding Disorders - Coagulation Factor Deficiencies, Subarachnoid Haemorrhage

Blood Clots - Blocked Catheters and Lines, Thromboembolism

Blood Pressure Conditions - Hypertension, Hypertension and Shock

Cardiovascular Risk Assessment and Prevention

Heart Failure


Myocardial Ischaemia - Acute Coronary Syndromes


Vascular Disease - Vein Malformations


Other Important Links

All Wales Advice on oral anticoagulation for non-valvular atrial fibrillation

Lipid Management - Rapid Update Product



Link to BNF:  Nervous System

This section includes:


Epilepsy and Other Seizure Disorders - Status Epilepticus

Mental Health Disorders - Anxiety, Attention Deficit Hyperactivity Disorder (ADHD), Bipolar Disorder and Mania, Depression, Inappropriate Sexual Behaviour, Psychoses and Schizophrenia

Movement Disorders - Dystonias and other Involuntary Movements, Parkinson's Disease

Nausea and Labyrinth Disorders - Meniere's Disease

Pain - Headache, Neuropathic Pain

Sleep Disorders - Insomnia, Narcolepsy

Substance Dependence - Alcohol Dependence, Nicotine Dependence, Opiod Dependence




Date Added

Generic Antiepileptic Drugs in Epilepsy (Update Sept 2020) 14/04/2022


Links to BNF:    Ear      

Otitis Externa

Removal of Earwax


Links to BNF:  Nose

Nasal Congestion

Nasal Infection

Nasal Inflammation, Nasal Polyps and Rhinitis


Link to BNF:  Oropharynx

Dry Mouth

Oropharyngeal Fungal Infections

Oropharyngeal Viral Infections

Oral Hygiene - Dental Caries

Oral Ulceration and Inflammation

Oropharyngeal Bacterial Infections


Link to BNF:  Emergency Treatment of Poisoning

This section includes:

Active Elimination from the Gastro-intestinal Tract

Chemical Toxicity - Cyanide Toxicity, Organophosphorus Toxicity

Drug Toxicity - Benzodiazepine Toxicity, Digoxin Toxicity, Heparin Toxicity, Paracetamol Toxicity


Snake Bites

Link to BNF:  Endocrine System

This section includes:

Antidiuretic Hormone Disorders - Diabetes Insipidus, Syndrome of Inappropriate Antidiurertic Hormone Secretion

Corticosteroid Responsive Conditions - Cushing's Syndrome and Disease

Diabetes Mellitis and Hypoglycaemia - Diabetes Mellitus, Hypoglycaemia

Disorders of Bone Metabolism

Dopamine Responsive Conditions

Gonadotrophin Responsive Conditions - Hereditary Angioedema

Hypothalmic and Anterior Pituitary Hormone Related Disorders - Adrencortical Function Testing, Assessment of Pituitary Function, Gonadotrophin Replacement Therapy, Growth Hormone Disorders

Sex Hormone Responsive Conditions - Female Sex Hormone Responsive Conditions

Thyroid Disorders - Hyperthyroidism, Hypothyroidism


Link to:  Self Monitoring Blood Glucose Guidelines for Adults


Link to BNF:  Eye

This section includes:

Allergic and Inflammatory Eye Conditions - Allergic Conjunctivitis, Inflammatory Eye Conditions

Dry Eye Conditions

Eye Infections - Bacterial Eye Infection, Viral Eye Infection

Eye Procedures - Post-operative Pain and Inflammation

Glaucoma and Ocular Hypertension

Retinal Disorders - Macular Degeneration, Macular Oedema, Optic Neuropathy, Vitreomacular Traction

Link to BNF:  Gastro-Intestinal System

This section includes:

Chronic Bowel Disorders - Coleliac Disease, Diverticular Disease and Diverticulitis, Inflammatory Bowell Disease, Irritable Bowel Syndrome and Short Bowel Syndrome

Constipation and Bowel Cleansing - Bowel Cleansing, Constipation


Disorders of Gastric Acid and Ulceration - Dyspepsia, Gastric and Duodenal Ulceration, Gastro-Oesophageal Reflux Disease, Helicobacter Pylori Infection

Food Allergy

Gastro-Intestinal Smooth Muscle Spasm

Liver Disorders and Related Conditions - Biliary Disorders, Oesophageal Varices


Rectal and Anal Disorders - Anal Fissures, Haemorrhoids

Reduced Exocrine Secretions

Stoma Care


Other Links

Pancreatic Cancer Resources (PERT)

The effect of Bariatric Surgery on Certain Medicines





Link to BNF:  Genito-Urinary System

This section includes:

Bladder and Urinary Disorders - Urinary Frequency, Enuresis, Incontinence, Urinary Retention, Urolithiasis, Urological Pain

Bladder Instillations and Urological Surgery

Contraception - Combined, Devices, Emergency, Oral Progestogen-only, Parenteral Progestogen only, Spermicidal

Erectile and Ejaculatory Conditions - Erectile Dysfunction, Premature Ejaculation

Obstetrics - Induction of Labour, Postpartum Haemorrhage, Premature Labour, Termination of Pregnancy

Vaginal and Vulval Conditions - Vaginal and Vulval Infections, Vaginal Atrophy

Link to BNF:  Immune System and Malignant Disease

This section includes:

Immune System - Immune System Disorders and Transplantation, Multiple Sclerosis

Malignant Disease - Antibody Responsive Malignancy, Carcinoid Syndrome, Cytotoxic Responsive Malignancy, Cytotoxic Drug Induced Side Effects, Hormone Responsive Malignancy, Hormone responsive Breast Cancer, Immunotherapy Responsive Malignancy, Photodynamic Therapy Responsive Malignancy, Targeted Therapy Responsive Malignancy

BNF Link:  Infection

This section includes:

Amoebic Infection

Bacterial Infection - Anthrax, Leprosy, Lyme Disease, Methicillin resistant Staphylococcus Aureus, Tuyberculosis, Urinary Tract Infections

Fungal Infection - Pneumocystis Pneumonia

Helminth Infection

Protozoal Infection - Leishmaniasis, Malaria, Toxoplasmosis

Viral Infection - Coronovirus, Hepatitis, Hepatitis Infections, Herpesvirus Infections, HIV Infections, HIV Infection, Influenza, Respiratory Syncytial Virus


Management of Clostridiodes Difficile Infection

Management of Recurrent Symptomatic Urinary Tract Infection in Adult Women

Primary Care Antimicrobial Guidelines

Cellulitis Guidelines for People with Lymphoedema/Chronic Oedema in NHS Wales

CEPP National Audit - Focus on Antibiotic Prescribing


BNF Link:  Musculoskeletal System

This section includes:


Hyperuricaemia and Gout

Neuromuscular Disorders - Muscular Dystrophy, Myasthenia Gravis and Lambert-Eaton Myasthenic Syndrome, Myotonic Disorders, Nocturnal Leg Cramps, Spasticity

Pain and Inflammation in Musculoskeletal Disorders

Soft Tissue and Joint Disorders - Local Inflammation of Joints and Soft Tissue, Soft Tissue Disorders

Date Added
Prescribing by Generic or Brand Name Prescribing by Generic or Brand Name in Primary Care 14/04/2022