Felodipine, a Drug for Hypertension


The drug is prescribed for the treatment of high blood pressure aka hypertension.

IUPAC Name: 5-O-ethyl 3-O-methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

Drug Class: Calcium-channel blockers

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Route of Administration: Oral

This is a prescribed drug and not an OTC Drug

Drug Action Mechanism

Felodipine works by inhibiting the calcium channels in the blood vessels, which helps in the relaxation and dilation of the blood vessels and increases the amount of blood and oxygen that can reach the heart. It lowers blood pressure and lessens the possibility of angina.

Side Effects

It could result in lightheadedness, nausea, upset stomach, drowsiness, weakness, flushing, constipation, headaches, dizziness, and swelling of the hands/feet/ankles.


Before using this medication, take the following precautions and notify the doctor:

  • If the person is allergic to the drug or other calcium channel blockers, or if the person has other allergies,
  • If the person is taking any other medication (prescribed, non-prescribed, or herbal medication), especially beta-blockers (such as atenolol, propranolol, or metoprolol),
  • If the person has or ever had cardiac disease (such as congestive heart failure, aortic stenosis, sick sinus syndrome, myocardial infarction), kidney disease, hepatic issues, oedema,
  • If the person has undergone any type of surgery i.e., ear or eye surgery, 
  • While taking this medication, limit alcohol usage since it increases the chances of developing blurred vision, dizziness, or drowsiness. It may also cause a loss of alertness.
  • The adverse effects of this medication may affect elder people more severely.
  • Consult a doctor if the person is pregnant or breastfeeding. 

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