tadalafil precautions What should I know regarding pregnancy, nursing and administering tadalafil to children or the elderly?If you are: Pregnant: Possibly Safe Nursing: Precaution: RAT STUDIES SUGGEST EXCRETION OCCURS, INSUFFICIENT HUMAN DATA An adult over 60: Precaution: DOSE ADJ. FOR MILD-MOD. HEPATIC IMPAIR. & MOD-SEV. RENAL IMPAIRMENT Giving tadalafil to a child under 12: Warning: SAFETY AND EFFICACY NOT ESTABLISHED. NOT INDICATED IN PEDIATRICS.