The NHS website

Senna: laxative to treat constipation

NHS medicines information on senna (Senokot) – what it's used for, side effects, dosage and who can take it.

NHS medicines information on salbutamol inhalers – what they're used for, side effects, dosage and who can use them.

NHS medicines information on rosuvastatin – what it's used for, side effects, dosage and who can take it.

NHS medicines information on rivaroxaban – what it's used for, side effects, dosage and who can take it.

NHS medicines information on risperidone – how it works, side effects, dosage and who can take it.

NHS medicines information on ranitidine – this medicine is not currently available in the UK, or globally.

NHS medicines information on ramipril – what it's used for, side effects, dosage and who can take it.

NHS medicines information on rabeprazole - what it’s used for, side effects, dosage and who can take it.

NHS medicines information on quetiapine – what it's used for, side effects, dosage and who can take it.

NHS medicines information on propranolol – what it's used for, side effects, dosage and who can take it.