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Class IV Drugs
What is it? Overview Usage Side Effects and Warnings

What are Class IV Drugs?

Common side effects of class IV drugs (calcium channel blockers) include:

  • Dizziness
  • Nausea
  • Water retention

There is also a long list of more serious but rare side effects, depending upon the particular drug, which include:

  • Liver damage
  • Kidney damage
  • Bone marrow damage
  • Worsening heart failure
  • Undesirable heart rhythm changes