The NHS website

Lithium: a medicine to treat mood disorders such as mania and bipolar disorder

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

NHS medicines information on lidocaine for piles and itchy bottom – what it's used for, side effects, dosage and who can use it.

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

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

NHS medicines information on ketoconazole cream and shampoo – what it's used for, side effects, dosage and who can use it.

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

NHS medicines information on isosorbide mononitrate and isosorbide dinitrate – what they're used for, side effects, dosage and who can take them.

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

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

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