Terazosin Side Effects

Possible adverse effects of terazosin are listed below. Call your doctor for medical advice about side effects if they are severe or continue after a few days.

• Fatigue
• Weakness
• Back pain
• Nasal congestion or runny nose
• Nausea
• Weight gain
• Sexual dysfunction
• Blurred vision
• Swelling of the hands or feet
• Numbness, tinging, burning, or pain in the hands or feet

Rarely, terazosin can cause more serious side effects. Call your doctor right away or seek emergency medical attention if you develop the following symptoms:

• Skin rash, hives, itching
• Shortness of breath or trouble breathing
• Fast, slow, or irregular heartbeat
• Prolonged or painful erection

The above list may not include all the potential side effects of terazosin. Call your doctor if the side effects are unusual, severe, or persistent. You can also report an unusual or allergic reaction to the Food and Drug Administration at 1-800-FDA-1088.

Terazosin Overdose: In case of an overdose, call your doctor immediately. You can also call your local poison control center or the national poison control center at 1-800-222-1222. Call 911 if someone has lost consciousness, collapsed, stopped breathing, or had a seizure. Signs and symptoms of an overdose of terazosin may include lightheadedness or dizziness, blurry vision, and fainting.

Source: FDA