SITAGLIPTIN

Brand name: Januvia. Find out how sitagliptin treats type 2 diabetes, and how to take it.

SIMVASTATIN

Brand names: Zocor, Simvador. Find out how simvastatin treats high cholesterol, and how to take it.

SIMETICONE

Find out how simeticone treats farting (flatulence), bloating and trapped wind, and colic in babies, and how to take it.

SILDENAFIL (VIAGRA)

Other brand names: Aronix, Liberize, Nipatra, Revatio, Grandipam. Find out how sildenafil treats erection problems and pulmonary hypertension and how to take it.

SERTRALINE

Brand name: Lustral. Find out how sertraline treats depression and other mental health conditions, and how to take it.

SENNA

Brand name: Senokot. Find out how senna treats difficulty pooing (constipation) and how to take it.

SAXAGLIPTIN

Brand name: Onglyza. Find out how saxagliptin treats type 2 diabetes, and how to take it.

SALBUTAMOL INHALER

NHS medicines information on salbutamol inhaler – what it’s used for, side effects, dosage and who can take it.