If you are:
Possibly Safe: NOT RECOMMENDED IN PRE-ECLAMPSIA AND OTHER PREGNANCY-INDUCED HYPERTENSION.
Precaution: USE NOT RECOMMENDED, SAFETY HAS NOT BEEN ESTABLISHED.
An adult over 60:
management or monitoring precaution: More sensitive to blood pressure and electrolyte wasting. Less effective in severe renal impairment
Giving methyclothiazide to a child under 12:
management or monitoring precaution: Safety and efficacy not established.