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Product Review

Toprol XL vs. Generic Metoprolol Succinate Extended-release (ER) Tablets Review Article

Choose the Best Blood Pressure Medication. Find Out Why Some Generic Blood Pressure Medications Are Not the Same as the Original & May Increase Blood Pressure or Have Other Disturbing Side Effects.

Toprol vs Generic Metoprolol

Product Review

Wellbutrin vs. Generic Bupropion Review

Generic Bupropion Is Not Always The Same As Name-Brand Wellbutrin. CL Tests Reveal Differences Between Generic Bupropion and Name-Brand Wellbutrin.

CL Answer

I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements or foods I should avoid, or be taking, due to this drug?

Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.

Levothyroxine (Synthroid) Supplement Interactions

Recalls & Warnings

August 28, 2008

FDA Finds Fault with Generic Toprol XL -- Problems Reported Earlier by

On August 12, 2008, the U.S. FDA sent a letter to Sandoz Inc. warning of violations in its manufacture of Metoprolol Succinate ER tablets and other drug products. Sandoz's Metoprolol Succinate ER tablets are generic versions of Toprol XL.

News Release

March 17, 2008

As problems surface, and the people's pharmacy ask FDA to disclose differences between generic and original drugs

WHITE PLAINS, NEW YORK AND DURHAM, NORTH CAROLINA — MARCH 17, 2008 — An investigation by ConsumerLab.

Recalls & Warnings

January 30, 2009

Generic Toprol XL (Metoprolol Succinate ER) Recalled Along with 60 Other Drugs

On January 28, 2009, ETHEX Corporation, a subsidiary of KV Pharmaceutical, announced a nationwide recall at the retail level of all strengths of Metoprolol Succinate ER tablets (25 mg, 50 mg, 100 mg and 200 mg).

Recalls & Warnings

June 25, 2014

More Generic Versions of Heart Medication Recalled

As reported in the New York Times on June 24, 2014, certain lots of the blood pressure medication metoprolol succinate extended-release have recently been recalled. The recalling manufacturers are the Indian companies Dr. Reddy's Laboratories and Wockhardt.