If angioedema of the face, extremities, lips, tongue, glottis and or larynx occurs, treatment with PRINIVIL should be discontinued and appropriate therapy instituted immediately. This drug also should be used with caution if you are on dialysis. Milk of lactating rats contains radioactivity following administration of 14C lisinopril. Zestril mg capsule-shaped, pink tablets Zestril 10 mg round, pink tablets Zestril 20 mg round, red tablets Zestril 40 mg round, yellow tablets Prinivil. prinivil ostaa verkossa Limit your consumption of potassium-rich foods such as bananas, prunes, raisins, orange juice, and whole and skim milk.