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HomeAnswersInternal Medicineblood pressureIs it safe to cut my Lisinopril-HCTZ 12.5 mg dosage in half to match the recommended dosage from my doctor?

Is it safe to take Lisinopril instead of Amlodipine after experiencing numbness in the fingers?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At October 1, 2023
Reviewed AtOctober 1, 2023

Patient's Query

Hello doctor,

I took Amlopidine 5 mg (milligrams) and continued it till the next day. I experienced numbness in my fingers due to the medication, but the doctors dismissed it as anxiety. I have a prescription for Linsonpril-HCTZ 12.5 mg, which I received when I visited the ER for high blood pressure. My primary care doctor suggested to try something similar but at half the dosage. My question is, can I take half of the Lisinopril-HCTZ 12.5 mg? Is a three-day duration sufficient for switching medications? Currently, my blood pressure measures 134/100 mm of Hg. I consistently have high blood pressure due to white coat syndrome. Please help.

Thank you.


Welcome to icliniq.com.

Your first query consult is on us!

I read your query and can understand your concern.

Amlodipine has not been effective in controlling your blood pressure. Lisinopril with HCTZ (Hydrochlorothiazide) is a potent combination of two drugs that control blood pressure. The drug takes approximately five to seven days to manifest its effect on blood pressure. A once-daily dosage is typically sufficient. I suggest you take the 12.5 mg dose without cutting it in half and monitor your blood pressure after one week.

I hope this helps. Please revert in case of further queries.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Srivastava, Sumit
Dr. Srivastava, Sumit

Internal Medicine

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