Summary
More frequently reported side effects include: dizziness. Continue reading for a comprehensive list of adverse effects.
Applies to alfuzosin: oral tablet extended release.
Serious side effects of Alfuzosin
Along with its needed effects, alfuzosin may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking alfuzosin:
Rare
- Chest pain
- chills
- cold sweats
- confusion
- dizziness, faintness, or lightheadedness when getting up from a lying or sitting position
- fainting
- fast, pounding, or irregular heartbeat or pulse
- painful or prolonged erection of the penis
Incidence not known
- Arm, back, or jaw pain
- black, tarry stools
- bleeding gums
- bloody urine
- chest discomfort, tightness, or heaviness
- clay-colored stools
- dark urine
- diarrhea
- fever
- headache
- hives, welts, itching, skin rash
- large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
- loss of appetite
- nausea
- pinpoint red spots on the skin
- stomach pain
- sweating
- swelling
- unpleasant breath odor
- unusual bleeding or bruising
- unusual tiredness or weakness
- vomiting of blood
- yellow eyes or skin
Other side effects of Alfuzosin
Some side effects of alfuzosin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Less common
- Belching
- body aches or pain
- congestion
- cough
- cough producing mucus
- decreased interest in sexual intercourse
- difficulty breathing
- difficulty having a bowel movement
- dryness or soreness of the throat
- ear congestion
- heartburn
- hoarseness
- inability to have or keep an erection
- indigestion
- loss in sexual ability, desire, drive, or performance
- loss of voice
- nasal congestion
- pain
- pain or tenderness around the eyes and cheekbones
- sneezing
- sore throat
- stomach discomfort or upset
- stuffy or runny nose
- tender, swollen glands in the neck
- tightness in the chest
- trouble with swallowing
- unusual tiredness or weakness
- voice changes
Incidence not known
- Feeling of warmth
- redness of the face, neck, arms, and occasionally, upper chest
For Healthcare Professionals
Applies to alfuzosin: oral tablet extended release.
Nervous system
Very common (10% or more): Dizziness (up to 27%), headache (up to 14%), fatigue (up to 14%)
Common (1% to 10%): Syncope, pain
Postmarketing reports: Flushing[Ref]
Respiratory
Very common (10% or more): Upper respiratory tract infection (up to 14%)
Common (1% to 10%): Bronchitis, sinusitis, pharyngitis
Postmarketing reports: Rhinitis[Ref]
Cardiovascular
Common (1% to 10%): Hypotension or postural hypotension
Postmarketing reports: Tachycardia, chest pain, angina pectoris in patients with preexisting coronary artery disease, atrial fibrillation[Ref]
Gastrointestinal
Common (1% to 10%): Abdominal pain, dyspepsia, constipation, nausea
Postmarketing reports: Diarrhea, vomiting[Ref]
Genitourinary
Common (1% to 10%): Impotence
Postmarketing reports: Priapism[Ref]
Ocular
Frequency not reported: Intraoperative Floppy Iris Syndrome (IFIS) has been observed in some patients undergoing phacoemulsification cataract surgery while being treated with alpha-1 blockers[Ref]
Hepatic
Postmarketing reports: Hepatocellular and cholestatic liver injury (including cases with jaundice leading to drug discontinuation)[Ref]
Dermatologic
Postmarketing reports: Rash, pruritus, urticaria, angioedema, toxic epidermal necrolysis[Ref]
Hematologic
Postmarketing reports: Thrombocytopenia
Metabolic
Postmarketing reports: Edema
