この記事の概要
Tadalafil (Tadalafil) is a widely used medication for the treatment of erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH).Because of its high efficacy and relative safety, it is prescribed to many patients. However, like all drugs, tadalafil has side effects, which may be mild to severe in some patients. Understanding and properly addressing these side effects is important to ensure safe use. Below is a detailed discussion of common, rare, and serious side effects of tadalafil, as well as precautions to take when using the drug.
Tadalafil (Tadalafil) is a widely used medication for the treatment of erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH).Because of its high efficacy and relative safety, it is prescribed to many patients. However, as with any drug, side effects exist with tadalafil, and some patients may experience mild to serious side effects. Understanding and properly addressing these side effects is important to ensure safe use. Below is a detailed discussion of common, rare, and serious side effects of tadalafil, as well as precautions to take when using the drug.
1. Common Side Effects
Mild side effects seen in many patients using tadalafil include
- Headache: the most common side effect, headache may occur after taking the drug.
- Indigestion: Stomach discomfort and heartburn may occur.
- Hot flashes: The face and neck may become hot and red.
- Nasal congestion: The mucous membranes of the nose may become congested and stuffy.
- Muscle aches and back pain: You may experience pain in your lower back and muscles.It usually occurs within 12-24 hours after taking the drug and improves within 2-3 days.
- Back pain: Pain, especially in the lower back, has been reported.
- Extremity pain: pain may be felt in the limbs.
2. Rare side effects
The following side effects are rare but may occur
- Visual abnormalities: some patients report temporary visual abnormalities such as bluish vision or blurred vision.
- Hearing problems: Sudden loss of hearing or tinnitus may occur.If this occurs, immediate medical attention should be sought.
- Persistent erections (priapism): painful erections that last more than 4 hours and require urgent medical attention. Priapism is very rare, but if left untreated, can cause damage to penile tissue.
3. Serious side effects
Serious side effects are very rare, but if you experience any of the following symptoms, you should contact your doctor or seek emergency medical care immediately
- Anaphylaxis (severe allergic reaction): Symptoms may include difficulty breathing, swelling of the face and throat, itchy skin or rash.
- Heart attack symptoms: If you experience chest pain, shortness of breath, or an irregular heartbeat, you should stop using tadalafil and seek immediate medical attention.
- Low blood pressure: There is a risk of a significant drop in blood pressure, especially when taking nitrates. This can cause dizziness, fainting, and shock.
4. Other Notes
- Drug Interactions: Coadministration with nitrates and riociguat (a drug for the treatment of pulmonary arterial hypertension) is contraindicated.Severe hypotension may occur with these concomitant medications.
- Liver or kidney impairment: Severe liver or kidney dysfunction may delay the metabolism of tadalafil and increase the risk of side effects. In these cases, dosage adjustments may be necessary.
Summary
While tadalafil is an effective and reliable drug and offers significant benefits to many patients, it also carries a risk of side effects. Particular attention should be paid to serious side effects and drug interactions. When using tadalafil, it is important to follow your doctor’s instructions and be sensitive to changes in your condition. If you notice anything unusual, consult your physician promptly and take appropriate action.