2. Know‍ the ingredients: ‍Lean syrup typically contains ‍a mixture of codeine, promethazine, together with other substances.⁣ Familiarize ⁢on your own Together with the elements ⁣checklist and seek the advice of by using a Health care Expert⁣ When you've got any ‌worries or pre-present situations. Extreme or extended usage of⁣