Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. The dosage is based on your medical condition and response to therapy. Benicar hct olmesartan medoxomil and hydrochlorothiazide tablet. For olmesartan, the following should be considered: Allergies your doctor if you have ever had any unusual or ostaa benicar maksaa turskaa allergic reaction to olmesartan. Hydrochlorothiazide had no adverse effects on the fertility of mice and rats of either sex in studies wherein these species were exposed, via their diet, to doses of up to 100 and mg kg, respectively, prior to mating and throughout gestation. After repeated dosing, the AUC was approximately tripled in patients with severe renal impairment creatinine clearance 20 mL min.