Tadalafil: Uses, Side Effects, and Warnings


Tadalafil is used to treat erectile dysfunction in males (also called sexual impotence). Tadalafil is a member of the class of drugs known as phosphodiesterase 5 (PDE5) inhibitors. These medications stop phosphodiesterase type-5 from functioning too quickly.

Tadalafil is also used to treat men who have benign prostatic hyperplasia symptoms (BPH). An enlarged prostate is the root of BPH. The typical symptoms of BPH in men include difficulty urinating, decreased urination flow, hesitation at the start of urination, and the need to get up in the middle of the night to urinate. Tadalafil will lessen the severity of these symptoms and lower the likelihood that prostate surgery will be required.

Side Effects:

Common Side Effects:

  • Headache
  • Stomach Upset
  • Diarrhea
  • Flushing
  • Back Pain

Severe Side Effects:

  • Prolonged Erection
  • Low Blood Pressure
  • Sudden Vision Loss
  • Sudden Hearing loss
  • Light Headed


You must let all of your medical professionals know that you take tadalafil. It’s crucial that your doctor is aware of when you last took tadalafil if you require emergency medical attention for a heart condition.

It is crucial that your doctor regularly assess your progress if you’re using this medication to treat pulmonary arterial hypertension. This will enable your doctor to determine whether the medication is effective and whether you should keep taking it. Tests on the blood and urine may be required to look for side effects.

If you take tadalafil every day and you forget to take a dose, do so right away. If your next scheduled dose is almost due, skip the missed dose. Do not double-up on your medication to make up for a missed dose.

When combined with this medication, alcohol consumption can lower blood pressure and result in lightheadedness or fainting.

Tadalafil and grapefruit may interact, resulting in unfavorable side effects. While taking this medication, stay away from products containing grapefruit.

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