Keep out of reach of children. Taking this product without adequate fluid may cause it to swell and block your throat or oesophagus and may cause choking. Bulk fibre may affect how well other medicines work. If you are taking a prescription medicine by mouth, take this product at least 2 hours before or 2 hours after the prescribed medicine to minimise any effect on drug absorption. As your body adjusts to increased fibre intake, you may experience changes in bowel habit or minor bloating. Allergy alert: May cause an allergic reaction in people sensitive to inhaled or ingested psyllium. Phenylketonurics are warned that this product contains phenylalanine. Contains Aspartame. Do not use in cases of medication induced constipation. Do not use when abdominal pain, nausea or vomiting are present or if you develop diarrhoea. Consult a doctor before using this product if you have a sudden change in bowel habits persisting for 2 weeks or have rectal bleeding, if pregnant or nursing. If you experience chest pain, vomiting or difficulty in swallowing or breathing after taking this product, seek immediate help. If constipation persists beyond 7 days, seek professional help. In case of overdose, contact a Poison Information Centre immediately. If mixture thickens, add more water and stir.